Special functions
• 16 virtual alarms (up, down, in or out alarm)
• Filter to stabilize variable measurements with high fluctuations
• Load operating hour meter
• Clock
• Tariff management by clock/calendar, digital inputs or communication
• Total active and reactive energy meters and average, minimum, max dmd and maximum values reset
• Optical port for configuration via OptoProg
• Password protected settings menu
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WM40
Power analyzer for three-phase systems
Description
WM40 is a modular power analyzer for single-,
two- and three-phase systems.
It is made up of a maximum of four components:
the main unit that displays measurements on the
LCD display and manages 16 alarms, and three
accessory modules, one with digital outputs or
analogue outputs, one with analogue outputs,
digital inputs and outputs or analogue inputs and
the other for communication.
The digital output module associates alarms with
static or relay outputs and/or transmits pulses
proportional to energy consumption.
The analogue output module associates 0-20mA
or 0-10 V outputs to measured variables.
The digital input/output module allows alarm or
pulse transmission via digital outputs, tariff
management, pulse counting or DMD
synchronization via digital inputs.
The analogue input module allows temperature,
process signal and real neutral current monitoring.
The communication module allows you configure
the analyzer and transmit data using a different
communication protocol according to the version
and, if equipped with memory on board, permits
log of data and events.
Benefits
• Clarity. The wide backlit LCD display clearly shows the
measurements and the configuration parameter values.
• Simplicity. An optical port is available for quick analyzer
configuration using OptoProg (CARLO GAVAZZI).
• Specific software. WM40can be configured and
measurements viewed from UCS configuration software
(CARLO GAVAZZI). The software and subsequent
updates are free.
• Scalability. Three accessory modules can be added to
WM40according to need. This way, the analyzer extends
its control capacities and communicates data remotely.
• Communication flexibility. The communication
module is available in Modbus RTU, Modbus TCP/IP,
BACnet IP, BACnet MS/TP and Profibus DP V0
versions.
• Fast installation. WM40and accessory modules are all
equipped with detachable terminals. Modules can be
quickly installed via the specifically designed fast
coupling pins.
• Tamper-proof. WM40configuration access can be
locked. Terminals and accessory modules can be
sealed.
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WM40
Main functions
• Measure main electrical variables and voltage and current harmonic distortions
• Measure active and reactive energy
• Measure load operating hours
• Manage up to 16 alarms
• Manage up to 8 digital outputs (via optional accessory modules)
• Manage up to 6 digital inputs (via optional accessory modules)
• Manage temperature, process signal and real neutral current (via optional accessory module)
• Manage up to 4 analogue outputs (via optional accessory modules)
• Manage process signal, temperature and real neutral current input (via optional accessory module)
• Transmit data to other systems (via optional accessory module)
Applications
WM40 can be installed in any switchboard to control energy consumption, main electrical variables and
harmonic distortion.
In automation, WM40can use the communication module with Profibus protocol to both communicate data on
consumption to supervision systems and manage them independently if installed on a machine.
In building, WM40can be installed in existent architectures using the communication module with BACnet
protocol (on RS485 or Ethernet).
Components
Module Description
WM40
Main unit, measures and displays main electrical variables. With LCD display and touch
keypad, it lets you set measurement parameters, configure accessory modules and manage up to 16 alarms.
Digital inputs/outputs
(optional)
Accessory module with 4 or 6 digital outputs and 6 digital inputs. Expands main unit capacity, specifically allowing you to:
transmit pulses proportional to energy consumption
control digital outputs (static or relay according to the module)
synchronize DMD calculation with digital inputs
control tariffs
reset alarms
count pulses
Analogue inputs (optional)
Accessory module that lets you:
read temperature values
monitor a process signal
measure real neutral current
Communication (optional) Accessory module that lets you transmit data to other systems or configure the analyzer
from remote
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WM40
Compatible accessory modules
Type Module description Code
Digital outputs
Double static output M O O2
Double relay output M O R2
Analogue outputs
Double analogue output (+20mA dc) M O A2
Double analogue output (+10V dc) M O V2
Digital inputs/outputs
6 digital inputs and 6 static outputs MF I6 O6
6 digital inputs and 4 relay outputs MF I6 R4
Analogue inputs
Temperature and analogue input (process signal) MATP
Temperature, analogue input and neutral current direct measurement MATPN
Communication
Modbus RTU communication on RS485/RS232 M C 485232
Modbus RTU communication on RS485/RS232+memory M C 485232 M
Modbus TCP/IP communication on Ethernet M C ETH
Modbus TCP/IP communication on Ethernet+memory M C ETH M
BACnet IP communication on Ethernet M C BAC IP
BACnet IP communication on Ethernet+memory M C BAC IP M
BACnet MS/TP communication on RS485 M C BAC MS
BACnet MS/TP communication on RS485+memory M C BAC MS M
Profibus DP V0 communication on RS485 M C PB
Profibus DP V0 communication on RS485+memory M C PB M
Possible configurations
WM40only WM40+ 1 module WM40+ 2 modules WM40+ 3 modules
NOTICE: maximum 1 module per type with exception of analogue output modules (2 max). In the configuration with
2 or 3 modules, the communication module is installed last.
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WM40
Features
General features
Material Front: ABS, self-extinguishing V-0 (UL 94)
Back and accessory modules: PA66, self-extinguishing V-0 (UL 94)
Protection degree Front: IP65 NEMA 4x NEMA 12
Terminals: IP20
Terminals
Type: detachable
Section: 2.5 mm2 maximum
Torque: 0.5 Nm
Overvoltage category Cat. III
Pollution degree 2
Rejection (CMRR) 100 dB, from 42 to 62 Hz
Insulation Double electrical insulation on areas accessible to the user.
For insulation between inputs and outputs, see "Input and output insulation" below.
Input and output insulation
Note: test conditions: 4 kV rms ac for one minute.
Type
Power
supply (H
or L)
[kV]
Measurement
inputs
[kV]
Relay
outputs
MOR2
[kV]
Relay
outputs
MFI6R4
Static
outputs
MOO2
Static
outputs
MFI6O6
Digital
inputs
[kV]
Analogue
outputs
Analogue
inputs
Serial
port
[kV]
Ethernet
port
[kV]
Power supply (H or L)
- 4 4 4 4 4 4 4 4 4 4
Measurement
inputs
4 - 4 4 4 4 4 4 4 4 4
Relay outputs MOR2
4 4 2 4 4 4 4 4 4 4 4
Relay outputs MFI6R4
4 4 4 2 4 4 4 4 4 4 4
Static outputs MOO2
4 4 4 4 2 4 4 4 4 4 4
Static outputs MFI6O6
4 4 4 4 4 2 4 4 4 4 4
Digital
inputs
4 4 4 4 4 4 - 4 4 4 4
Analogue
outputs
4 4 4 4 4 4 4 - 4 4 4
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WM40
Type
Power
supply (H
or L)
[kV]
Measurement
inputs
[kV]
Relay
outputs
MOR2
[kV]
Relay
outputs
MFI6R4
Static
outputs
MOO2
Static
outputs
MFI6O6
Digital
inputs
[kV]
Analogue
outputs
Analogue
inputs
Serial
port
[kV]
Ethernet
port
[kV]
Analogue
inputs
4 4 4 4 4 4 4 4 4* - 4
Serial port 4 4 4 4 4 4 4 4 4 - NP
Ethernet
port
4 4 4 4 4 4 4 4 4 NP -
Key
• NP: combination not possible
• 4: 4 kV rms insulation (EN 61010-1, IEC 60664-1, overvoltage category III, pollution degree 2, double
insulation on system with maximum 300 V rms to ground)
Note: *between two different modules
Environmental specifications
Operating temperature From -25 to +55 °C/from -13 to +131 °F
Storage temperature From -30 to +70 °C/from -22 to 158 °F
Note: R.H. < 90 % non-condensing @ 40 °C / 104 °F.
Conformity
Directives
2014/35/EU (LVT - Low Voltage)
2014/30/EU (Electromagnetic Compatibility)
2011/65/EU (Electric-electronic equipment hazardous substances)
Standards
Electromagnetic compatibility (EMC) - emissions and immunity: EN61000-6-3,
EN61000-6-2
Electrical safety: EN 61010-1
Metrology: EN62053-22, EN62053-23
Pulse output: IEC 62053-31, DIN 43864
Approvals
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Main unit
Description
Main unit with LCD display and touch keypad to
view measurements, configure the system and
manage 16 alarms.
It can be integrated by digital output, analogue
output, digital input/output, analogue input and
communication modules.
Four versions are available (AV4, AV5, AV6 and
AV7) to manage different current and voltage
inputs.
It can be quickly configured with OptoProg via
optical port.
Main features
• System and phase variables (4 x 3 digits): V L-L, V L-N,
A, W/var/VA, PF, Hz
• Active and reactive imported and exported energy
meters (10 digits)
• Calculate the average and maximum system and phase
values of all the electrical variables
• Calculate current and voltage THD (total harmonic
distortions) and single harmonics up to the 32nd
harmonic
• Calculate load operating hours
• Auxiliary power supply
• 16 virtual alarms
• Backlit LCD display and touch keypad
• Optical port
• Detachable terminals
• Sealable terminal caps
• Configuration via keypad or UCS configuration software
• Filter to stabilize displayed measurements
Main functions
• Measure main electrical variables and harmonic voltage
and current distortions
• Measure single harmonics (raw data via communication
and harmonics graph via UCS software)
• Measure active and reactive energy
• Measure load operating hours
• Manage up to 16 alarms
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Main unit
Structure
Fig. 1 Front
Element Description
A Optical port and plastic support for OptoProg (CARLO GAVAZZI) connection
B Backlit LCD display
C LED that blinks with frequency proportional to active energy consumption, see "LED"
on page 15
D Touch keypad
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Main unit
D
E
B
C
A
F
Fig. 2 Back
Element Description
A Detachable power supply terminals
B Detachable current input terminals
C Detachable voltage input terminals
D Rotary selector to lock configuration
E Local bus port for accessory modules
F Power supply status LED, see "LED" on page 15
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Main unit
Features
General features
Assembly Panel mounting
Weight 420 g (packaging included)
Electrical specifications
Electrical system
Managed electrical system
Single-phase (2-wire)
Two-phase (3-wire)
Three-phase with neutral (4-wire)
Three-phase without neutral (3-wire)
Voltage inputs
Inputs AV4 AV5 AV6 AV7
Voltage connection Direct or via VT/PT
VT/PT transformation
ratio
From 1 to 9999
Rated voltage L-N
(from Un min to Un
max)
From 220 to 400 V From 57.7 to 133 V
Rated voltage L-L (from
Un min to Un max)
From 380 to 690 V* From 100 to 230 V
Voltage tolerance -20%, + 15%
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Main unit
Voltage inputs
Overload Continuous: 1.2 Un max
For 500 ms: 2 Un max
Input impedance >1.6 MΩ
Frequency From 40 to 440 Hz
Note: *for UL applications max 600 VL-L, 40 °C (104 °F)
Current inputs
Inputs AV4 AV5 AV6 AV7
Current connection Via CT
CT transformation ratio From 1 to 9999
Rated current (In) 1 A 5 A 1 A
Minimum current (lmin) 0.01 A 0.05 A 0.01 A
Maximum current
(lmax)
2 A 6 A 2 A
Start-up current (lst) 1 mA 5 mA 1 mA
Overload Continuous: Imax
For 500 ms: 20 Imax
Input impedance < 0.2 VA
Maximum CTxVT ratio 9999 x 9999
Power supply
H L
Power supply From 100 to 240 V ac/dc ± 10% From 24 to 48 V ac/dc ± 15%
Consumption 10 W, 20 VA
Measurements
Method TRMS measurements of distorted waveforms
Sampling 3200 samples/s @50 Hz
3840 samples/s @60 Hz
Available measurements
Active energy Unit System Phase
Imported (+) Total kWh+ ● -
Imported (+) partial kWh+ ● -
Exported (+) Total kWh- ● -
Exported (+) partial kWh- ● -
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Main unit
Reactive energy Unit System Phase
Imported (+) Total kvarh+ ● -
Imported (+) partial kvarh+ ● -
Exported (+) Total kvarh- ● -
Exported (+) partial kvarh- ● -
Electrical variable Unit System Phase
Current A ● ●
MIN A ● ●
DMD A ● ●
MAX A ● ●
DMD MAX A ● ●
Neutral current A ● -
MIN A ● -
DMD A ● -
MAX A ● -
DMD MAX A ● -
Voltage L-N V ● ●
MIN V ● ●
DMD V ● ●
MAX V ● ●
DMD MAX V ● ●
Voltage L-L V ● ●
MIN V ● ●
DMD V ● ●
MAX V ● ●
DMD MAX V ● ●
Active power kW ● ●
MIN kW ● ●
DMD kW ● ●
MAX kW ● ●
DMD MAX kW ● ●
Apparent power kVA ● ●
MIN kVA ● ●
DMD kVA ● ●
MAX kVA ● ●
DMD MAX kVA ● ●
Reactive power kvar ● ●
MIN kvar ● ●
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Main unit
Electrical variable Unit System Phase
DMD kvar ● ●
MAX kvar ● ●
DMD MAX kvar ● ●
Power factor PF ● ●
MIN PF ● ●
DMD PF ● ●
MAX PF ● ●
DMD MAX PF ● ●
Frequency Hz ● -
MIN Hz ● -
DMD Hz ● -
MAX Hz ● -
DMD MAX Hz ● -
THD Current* THD A % - ●
MIN THD A % - ●
DMD THD A % - ●
MAX THD A % - ●
DMD MAX THD A % - ●
THD odd Current* THD A % - ●
MIN THD A % - ●
DMD THD A % - ●
MAX THD A % - ●
DMD MAX THD A % - ●
THD even Current* THD A % - ●
MIN THD A % - ●
DMD THD A % - ●
MAX THD A % - ●
DMD MAX THD A % - ●
THD Voltage L-N* THD L-N % - ●
MIN THD L-N % - ●
DMD THD L-N % - ●
MAX THD L-N % - ●
DMD MAX THD L-N % - ●
THD odd Voltage L-N* THD L-N % - ●
MIN THD L-N % - ●
DMD THD L-N % - ●
MAX THD L-N % - ●
DMD MAX THD L-N % - ●
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Main unit
Electrical variable Unit System Phase
THD even Voltage L-N* THD L-N % - ●
MIN THD L-N % - ●
DMD THD L-N % - ●
MAX THD L-N % - ●
DMD MAX THD L-N % - ●
THD Voltage L-L* THD L-L % - ●
MIN THD L-L % - ●
DMD THD L-L % - ●
MAX THD L-L % - ●
DMD MAX THD L-L % - ●
THD odd Voltage L-L* THD L-L % - ●
MIN THD L-L % - ●
DMD THD L-L % - ●
MAX THD L-L % - ●
DMD MAX THD L-L % - ●
THD even Voltage L-L* THD L-L % - ●
MIN THD L-L % - ●
DMD THD L-L % - ●
MAX THD L-L % - ●
DMD MAX THD L-L % - ●
TDD Current* TDD A % - ●
MIN TDD A % - ●
DMD TDD A % - ●
MAX TDD A % - ●
DMD MAX TDD A % - ●
K-factor/factor K - - ●
MIN - - ●
DMD - - ●
MAX - - ●
DMD MAX - - ●
Run hour meter h ● -
* Up to 32nd harmonic
Note: the available variables depend on the type of system set.
Measurement mode
Depending on the APPLICATION setting, a different selection of variables is available on the display. The
energy calculation is not affected and works always as bidirectional.
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Main unit
Energy metering
For every measuring interval time, the energies of the single phases are summed; according to the sign of the
result, the positive (kWh+) or negative totalizer (kWh-) is increased.
Example:
P L1= +2 kW, P L2= +2 kW, P L3= -3 kW
Integration time = 1 hour
+kWh=(+2+2-3)x1h=(+1)x1h=1 kWh
-kWh=0 kWh
Measurement accuracy
Current
From 0.05 In to Imax ±(0.2% rdg + 2dgt)
From 0.01 In to 0.05 In ±(0.5% rdg + 2dgt)
Phase-phase voltage
From Un min -20% to
Un max +15%
±(0.2% rdg +1dgt)
Phase-neutral voltage
From Un min -20% to
Un max +15%
±(0.5% rdg +1dgt)
Active and apparent power
From 0.05 In to Imax
(PF=0.5L, 1, 0.8C)
±(0.5% rdg +1dgt)
From 0.01 In to 0.05 In
(PF=1)
±(1% rdg +1dgt)
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Main unit
Reactive power
From 0.1 In to Imax
(sinϕ=0.5L, 0.5C)
From 0.05 In to Imax
(sinϕ=1)
±(1% rdg + 1 dgt)
From 0.05 In to 0.1 In
(sinϕ=0.5L, 0.5C)
From 0.02 In to 0.05 In
(PF=1)
±(1.5% rdg + 1 dgt)
Power factor ±[0.001+0.5%(1 – PF rdg)]
Active energy Class 0.5S (EN62053-22), class 0.5 (ANSI C12.20)
Reactive energy Class 2 (EN62053-23, ANSI C12.1)
THD ±1%
TDD ±1%
Frequency
From 45 to 65 Hz ±(0.02% rdg + 1 dgt)
From 65 to 340 Hz ±(0.05% rdg + 1 dgt)
From 340 to 440 Hz ±(0.1% rdg + 1 dgt)
Display
Type Backlit LCD
Refresh time 250 ms
Description
5 rows:
• 1st: 10 digits (6 mm)
• 2nd, 3rd, 4th, 5th: 4 digits (9.5 mm)
Variable readout Instantaneous: 4 digits, min: 0.001, max: 9 999
Energy: 10 digits, min: 0.01, max: 9 999 999 999
LED
Front
Red. Weight: proportional to energy consumption and depending on the CT and VT/ PT ratio
product (16 Hz maximum frequency):
Weight (kWh per pulse) CT*VT/PT
0.001 ≤ 7
0.01 From 7.1 to 70
0.1 From 70.1 to 700
1 From 700.1 to 7000
10 From 7001 to 70 k
100 > 70.01 k
Red (G1, G2, G3, G4). Groups of Alarm status.
Back Green. Power supply status.
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Main unit
Special functions
• 16 virtual alarms (up, down, in or out alarm)
• Filter to stabilize variable measurements with high fluctuations
• Load operating hour meter
• Clock
• Tariff management by clock/calendar, digital inputs or communication
• Total active and reactive energy meters and average, minimum, max dmd and maximum values reset
• Optical port for configuration via OptoProg
• Password protected settings menu
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Main unit
Connection Diagrams
Fig. 3 Three-phase system with
neutral (4-wire, 3P.n),
unbalanced load and 3 CT. 315
mA fuse (F).
Fig. 4 Three-phase system with
neutral (4-wire, 3P.n), unbalanced
load, 3 CT and 3 VT/PT.
Fig. 5 Three-phase system with
neutral (4-wire, 3P.2), balanced
load, 1 CT. 315 mA fuse (F).
Fig. 6 Three-phase system with
neutral (4-wire, 3P.2), balanced
load, 1 CT and 1 VT/PT.
Fig. 7 Three-phase system without
neutral (3-wire, 3P), unbalanced load
and 3 CT. 315 mA fuse (F).
Fig. 8 Three-phase system
without neutral (3-wire, 3P),
unbalanced load, 3 CT and 2
VT/PT.
L1 L2 L3 S1 S2
Fig. 9 Three-phase system
without neutral (3-wire, 3P)
unbalanced load and 2 CT
(Aron). 315 mA fuse (F).
Fig. 10 Three-phase system without
neutral (3-wire, 3P), unbalanced load,
2 CT (Aron) and 2 VT/PT.
Fig. 11 Three-phase system
without neutral (3-wire, 3P.1),
balanced load, 1 CT.
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Main unit
Fig. 12 Three-phase system
without neutral (3-wire, 3P.1),
balanced load, 1 CT and 2
VT/PT.
Fig. 13 Two-phase system (3-wire,
2P), 2 CT. 315 mA fuse (F).
Fig. 14 Two-phase system (3-
wire, 2P), 2 CT and 2 VT/PT.
Fig. 15 Single-phase system (2-
wire, 1P), 1 CT. 315 mA fuse (F).
Fig. 16 Single-phase system (2-wire,
1P), 1 CT and 1 VT/PT.
Fig. 17 Auxiliary power
supply (H). 250 V [T] 630
mA fuse (F).
Auxiliary power supply
(L). 250 V [T] 3.15 A fuse
(F).
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Main unit
References
WM40 AV 3 (9 characters total)
Enter the code option instead of
Code Options Description
W - -
M - -
4 - -
0 - -
A - -
V - -
4 From 380 to 690 V L-L ac, 1(2) A, connection via CT
5 From 380 to 690 V L-L ac, 5(6) A, connection via CT
6 From 100 to 230 V L-L ac, 5(6) A, connection via CT
7 From 100 to 230 V L-L ac, 1(2) A, connection via CT
3 - -
H auxiliary power supply from 100 to 240 V ac/dc
L auxiliary power supply from 24 to 48 V ac/dc
Further reading
Information Document Where to find it
Instruction manual Instruction manual - WM40 www.productselection.net
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Main unit
CARLO GAVAZZI compatible components
Purpose Component name/-
code Notes
Current measurement accessories CTD1X, CTD2X,
CTD3X, CTD4X
Solid core current transformers (1 or 5 A secondary current,
40 to 1600 A primary current) for cable or bus bar. See relevant datasheets.
CTD1Z Solid core current transformers (5 A secondary current, 50 to
200 A primary current) for cable or bus bar. See relevant datasheets.
CTA5, CTA6 Split core current transformers for retrofit applications (5 A secondary current, 100 to 600 A primary current) for cable or bus
bar. See relevant datasheets.
CTD5S, CTD6S,
CTD8S, CTD9S,
CTD10S
Split core current transformers (1 or 5 A secondary current,
100 to 3200 A primary current) for bus bar. See relevant datasheets.
CTD8V, CTD8V,
CTD9V, CTD9H,
CTD10V, CTD10H
Solid core current transformers (1 or 5 A secondary current,
150 to 3200 A primary current) for bus bar. See relevant datasheets.
CTD8Q Solid core current transformers (5 A secondary current, 1000
to 4000 A primary current) for bus bar. See relevant datasheets.
Manage two digital outputs/associate alarms to digital outputs
M O O2
M O R2
See "Digital output modules" on page 22
Manage two analogue outputs M O A2
M O V2
See "Analogue output modules" on page 28
Manage 6 digital inputs and 4 relay
outputs
MF I6 R4 See "Digital input/output modules" on page 34
Manage 6 digital inputs and 6 static
outputs
MF I6 O6 See "Digital input/output modules" on page 34
Manage a temperature input and a
process signal (analogue input)
MATP See "Analogue output modules" on page 28
Manage a temperature input, a process signal (analogue input) and a
neutral current input
MATPN See "Analogue output modules" on page 28
Transmit data remotely M C 485232
M C ETH
M C BAC IP
M C BAC MS
M C PB
See "Communication modules" on page 47
Transmit data remotely and log
data/events
M C 485232 M
M C ETH M
M C BAC IP M
M C BAC MSM
M C PB M
See "Communication modules" on page 47
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Main unit
Purpose Component name/-
code Notes
Configure analyzer via desktop
application
UCS configuration
software
Available for free download at: www.gavazziautomation.com
Configure analyzer via Mobile
Android App
UCS Mobile Android
App
Available for free download at: Google Play Store
Monitor data from several analyzers VMU-C, UWP3.0 See relevant datasheet
Quickly configure several analyzers
via optical interface
OptoProg See relevant datasheet
RS485/USB conversion SIU-PC3 See relevant datasheet
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Digital output modules
Description
Accessory module for WM analyzer family that
associates static or relay outputs to alarms and/or
transmits pulses proportional to energy
consumption.
Each output can run three different functions:
alarm, remote control or pulse.
Main features
• Two digital outputs (static or relay)
• Three possible functions for each output
• Configuration via main unit keypad or UCS configuration
software
• Easy mountingon main unit
• Detachable terminals
• Local bus connection to main unit
Main functions
• Manage two static or relay outputs
• Associate static or relay outputs with alarms
• Transmit pulses proportional to energy consumption
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Digital output modules
Structure
A
A
B
A
D
C
A
Fig. 18 Front
Element Description
A Main unit fastening pins
B Detachable digital output terminals
C Local bus port for main unit
D Local bus port for communication module
Digital output functions
Digital outputs can run three different functions:
• Alarm: output associated with an alarm and directly managed by WM40
• Remote control: output status managed via communication
• Pulse: pulse transmission output on active or reactive, imported or exported energy consumption.
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Digital output modules
Features
General
Mounting On main unit
Weight 80g
Power supply Self power supply via local bus
89,49 16 62,99
Static output module (M O O2)
Maximum number of
outputs
2
Type Opto-mosfet
Features
VON: 2.5 V dc, 100 mA max
VOFF: 42 V dc max
Configuration parameters
Output function: alarm/remote control/pulse
Associated output alarm and normal status ("alarm" function only)
Pulse weight, transmitted energy type, test transmission settings ("pulse" function only)
Configuration mode Via keypad or UCS software
Relay output module (M O R2)
Maximum number of
outputs
2
Type SPDT relay
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Digital output modules
Features AC1: 5 A @ 250 V ac
AC15: 1 A @250 V ac
Configuration parameters
Output function: alarm/remote control/pulse
Associated output alarm and normal status ("alarm" function only)
Pulse weight, transmitted energy type, test transmission settings ("pulse" function only)
Configuration mode Via keypad or UCS software
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Digital output modules
Connection Diagrams
2 3 4 5 6 7 2 4 5 7 8631
Fig. 19 M O O2. Double static opto-mosfet output. Fig. 20 M O R2. Double relay output.
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Digital output modules
References
Order code
Code Description
M O O2 Double static output
M O R2 Double relay output
Further reading
Information Document Where to find it
Instruction manual - WM40 Instruction manual - WM40 www.productselection.net
Digital output module instruction
manual
CARLO GAVAZZI compatible components
Purpose Component name/-
code Notes
Power the module via
analyzer
WM20
WM30
WM40
The digital output module only works connected to an analyzer. See relevant datasheets.
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Analogue output modules
Description
Accessory module for WM analyzer family that
associates analogue outputs to electrical
variables.
Depending on the versione the output range can
be set between 0 and 20 mA or 0 and 10 V dc.
Main features
• Two analogue outputs (0 to 20 mA or 0 to 10V)
• Configuration via main unit keypad or UCS configuration
software
• Easy mounting on main unit
• Detachable terminals
• Local bus connection to main unit
Main functions
• Associate electrical variables to analogue outputs.
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Analogue output modules
Structure
Fig. 21 Front
Element Description
A Main unit fastening pins
B Local bus port for main unit
C Analogue outputs
D Local bus port for communication module
Analogue output functions
Analogue outputs can be linked to any electrical variables.
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Analogue output modules
Features
General
Mounting On main unit
Weight 80g
Power supply Self power supply via local bus
89,49 16 62,99
Analogue output module 0-20mA (M O A2)
Maximum number of
outputs
2
Type 0 to 20 mA dc
Accuracy 0.2% FS
Features
Response time ≤ 400 ms typical (filter excluded)
Ripple ≤1% (according to IEC 60688-1, EN 60688-1)
Total temperature drift ≤500 ppm/°C
Load ≤600Ω
Configuration parameters
Associated electrical variable.
Min analogue output (as a percentage of 20mA)
Max analogue output (as a percentage of 20mA)
Electrical variable value corresponding to min output.
Electrical variable value corresponding to max output.
Configuration mode Via keypad or UCS software
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Analogue output modules
Analogue output module 0-10V (M O V2)
Maximum number of
outputs
2
Type 0 to 10 V dc
Accuracy 0.2% FS
Features
Response time ≤ 400 ms typical (filter excluded)
Ripple ≤1% (according to IEC 60688-1, EN 60688-1)
Total temperature drift ≤350 ppm/°C
Load ≥10kΩ
Configuration parameters
Associated electrical variable.
Min analogue output (as a percentage of 10 V)
Max analogue output (as a percentage of 10 V)
Electrical variable value corresponding to min output.
Electrical variable value corresponding to max output.
Configuration mode Via keypad or UCS software
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Analogue output modules
Connection Diagrams
Out1
1 2 3 4
Out2 Out1
1 2 3 4
Out2
Fig. 22 M O A2. Double analogue output 0-20mA. Fig. 23 M O V2. Double analogue
output 0-10V.
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Analogue output modules
References
Order code
Code Module description
M O A2 Double analogue output 0-20mA.
M O V2 Double analogue output 0-10V.
Further reading
Information Document Where to find it
WM40 instruction manual Instruction manual - WM40 www.productselection.net
Analogue output module instruction
manual
CARLO GAVAZZI compatible components
Purpose Component name/-
code Notes
Power the module via
analyzer
WM30
WM40
The digital output module only works connected to an analyzer. See relevant datasheets.
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Digital input/output modules
Description
Accessory module for WM analyzer family with
digital outputs for alarm or pulses transmission
and digital outputs for tariff management, DMD
synchronization and pulse counting.
Each output can run three different functions:
alarm, remote control or pulse.
Digital inputs can run four different functions: tariff
management, remote control, pulse counting
(positive/negative active energy, reactive energy,
protection trip, water/gas/heating) or remote alarm
reset.
Main features
• 6 digital inputs
• 4 relay outputs or 6 static outputs
• Configuration via main unit keypad or UCS configuration
software
• Easy mounting on main unit
• Detachable terminals
• Local bus connection to main unit
Main functions
• Transmit pulses with frequency proportional to energy
consumption
• Associate alarms to static or relay outputs
• Remote output control
• Tariff management
• Pulse counting
• Remote alarm reset
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Digital input/output modules
Structure
Part Description
A Detachable terminal block for inputs/outputs or area specific to communication ports
B Fastening pins to main unit or other accessory module
C Internal local bus port for communications with main unit or other accessory module
D External local bus port for communication with communication module. Not included in
communication modules.
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Digital input/output modules
Features
General
Mounting On main unit
Weight 80g
Power supply Self power supply via local bus
Digital input/static output module (M F I6 O6)
Static outputs
Maximum number of
outputs
6
Type Opto-mosfet
Features
VON: 2.5 V dc, 100 mA max
VOFF: 42 V dc max
Functions
Pulse output (kWh+, kWh-, kvarh+ or kvarh-)
Alarm output
Remote control
Configuration parameters
Function
Alarm status
Variable
Pulse weight
Configuration mode Via keypad or UCS software
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Digital input/output modules
Digital outputs
Maximum number of
outputs
6
Type voltage-free contacts
Features
20Hz max, duty cycle 50%
Open contact voltage: ≤3.3 V dc
Closed contact current: <1mA dc
Contact resistance: ≤300Ω closed contact, ≥50kΩ open contact
Input voltage: 0 to 0.5VDC LOW, 2.4 to 25VDC HI
Functions
Status
Tariff management (inputs 1,2,3)
DMD synchronization (input 1)
Water, gas, remote heating pulse counter (inputs 4,5,6)
Remote alarm reset (input 4)
Protection trip counter (input 4)
kWh- pulse counter (input 3)
kWh+ pulse counter (input 4)
kvarh pulse counter (input 5)
Configuration parameters
Function
Pulse weight
Configuration mode Via keypad or UCS software
Digital input/ relay output module (M F I6 R4)
Relay outputs
Maximum number of
outputs
4
Type Relay, SPST type
Features AC1: 5 A @ 250 V ac
AC15: 1 A @250 V ac
Functions Alarm output
Remote control
Configuration parameters
Function
Alarm status
Configuration mode Via keypad or UCS software
Digital inputs
Maximum number of
outputs
6
Type voltage-free contacts
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Digital input/output modules
Features
20Hz max, duty cycle 50%
Open contact voltage: ≤3.3 V dc
Closed contact current: <1mA dc
Contact resistance: ≤300Ω closed contact, ≥50kΩ open contact
Input voltage: 0 to 0.5VDC LOW, 2.4 to 25VDC HI
Functions
Status
Tariff management (inputs 1,2,3)
DMD synchronization (input 1)
Water, gas, remote heating pulse counter (inputs 4,5,6)
Remote alarm reset (input 4)
Protection trip counter (input 4)
kWh- pulse counter (input 3)
kWh+ pulse counter (input 4)
kvarh pulse counter (input 5)
Configuration parameters
Function
Pulse weight
Configuration mode Via keypad or UCS software
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Digital input/output modules
Connection Diagrams
COM
IN
COM
1
IN2
IN3
IN4
IN5
IN6
9 10 11 12 13 14 15 16
COM
Out
COM
1
Out2
Out3
Out4
Out5
Out6
1 2 3 4 5 6 7 8
Fig. 24 MF I6 O6. 6 digital inputs and 6 static outputs Fig. 25 MF I6 R4. 6 digital inputs and 4 relay
outputs
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Digital input/output modules
References
Order code
Code Module description
MF I6 O6 6 digital inputs and 6 static outputs
MF I6 R4 6 digital inputs and 4 relay outputs
Further reading
Information Document Where to find it
Instruction manual - WM40 Instruction manual - WM40 www.productselection.net
Analogue output module instruction
manual
CARLO GAVAZZI compatible components
Purpose Component name/-
code Notes
Power the module via
analyzer
WM40 The digital output module only works connected to an analyzer. See relevant datasheets.
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Analogue input modules
Description
Accessory module for WM analyzer family with
temperature input (Pt100, Pt1000), analogue input
for process signal (-20mA to 20 mA) and real
neutral current measuring (by 1A secondary
current transformer).
Main features
• Pt100, Pt1000 temperature input
• Settable temperature measuring unit (°C or °F)
• -20mA to 20mA process signal (analogue input)
• Real neutral current monitoring by 1A secondary CT
Main functions
• Measure temperature
• Measure process signal (analogue input)
• Real neutral current transformer monitoring (MATPN
only)
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Structure
Fig. 26 Front
Element Description
A Main unit fastening pins
B Detachable input/output terminals
C Local bus port for main unit
D Local bus port for communication module
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Features
General
Mounting On main unit
Weight 80g
Power supply Self power supply via local bus
Temperature and process signal input (MATP)
Temperature input
Number of outputs 1
Temperature probe
type
Pt100, Pt1000
Features Number of wires: 2 or 3-wire connection
Wire compensation: up to 10Ω
Configuration parameters
Engineering unit
Probe type
Configuration mode Via keypad or UCS software
Process signal (-20 mA to 20 mA) input
Number of inputs 1
Type -20mA to +20mA dc
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Overload Continuous: 50mA dc
For 1 s.: 150mA dc
Accuracy from 0% to a 25% FS: ±(0,2%RDG+2DGT)
from 25% to 110% FS: ±(0,1%RDG+2DGT)
Features Temperature drift: ≤150ppm/°C
Input impedance: <12Ω
Configuration parameters
Min input (mA)
Max input (mA)
Value corresponding to min input
Value corresponding to max input
Configuration mode Via keypad or UCS software
Temperature, process signal and neutral current input (MATPN)
Temperature input
See "Temperature and process signal input (MATP)" on the previous page
Process signal (-20 mA to 20 mA) input
See "Temperature and process signal input (MATP)" on the previous page
Neutral current input
Type 1A nominal current (secondary of external current transformer)
Overload Continuous: 1.2 A
For 500 ms: 10 A
Accuracy From 0.01In to 0.05In: ±(0,5% RDG +2DGT)
From 0.05In to 1.2In: ±(0.2% RDG +2DGT)
Features
Temperature drift: ≤150ppm/°C
Crest factor: ≤3 (3A max. peak)
Input impedance: 0.5Ω
Frequency: 45 to 65 Hz
Configuration parameters
current transformer ratio (1 to 9999)
Configuration mode Via keypad or UCS software
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Connection Diagrams
1 2 3 4 5
1 2 3 4 5 6 7
Fig. 27 MATP. Fig. 28 MATP N.
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References
Order code
Code Module description
MATP Temperature and process signal input.
MATP N Temperature, process signal and neutral current input.
CARLO GAVAZZI compatible components
Purpose Component name/-
code Notes
Power the module via
analyzer
WM40 The digital output module only works connected to an analyzer. See relevant datasheets.
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Communication modules
Description
Accessory module for WM analyzer family
connected to the main unit that transmits system
data remotely using a different communication
protocol according to the version.
Versions with memory offer data and event log
capability.
Main features
• Supported communication protocols: Modbus, BACnet,
Profibus. See "Communication module overview" below
• Configuration via main unit keypad or UCS configuration
software
• Easy mounting on main unit
• Local bus connection to main unit
Main functions
• Transmit data remotely
• Configure the system
• Log data, events, load profile
Communication module overview
Module code Memory Communication protocols Port
M C 485232 no Modbus RTU RS485, RS232
M C 485232 M yes Modbus RTU RS485, RS232
M C ETH no Modbus TCP/IP Ethernet
M C ETH M yes Modbus TCP/IP Ethernet
M C BAC IP no BACnet IP, Modbus TCP/IP Ethernet
M C BAC IP M yes BACnet IP, Modbus TCP/IP Ethernet
M C BAC MS
no BACnet MS/TP RS485
Modbus TCP/IP Ethernet
M C BAC MS M
yes BACnet MS/TP RS485
Modbus TCP/IP Ethernet
M C PB
no Profibus DP V0 slave RS485
Modbus RTU micro USB
M C PB M
yes Profibus DP V0 slave RS485
Modbus RTU micro USB
M C EI M yes Ethernet/IP, Modbus TCP/IP Ethernet
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Structure
A
A
B
B
C
A
B
D
B
Fig. 29 Front
Note: NOTE: the image refers to the M C BAC MS module.
Area Description
A Communication port area
Note: the communication ports depend on the communication module, see "Communication module overview" on the previous page
B Main unit fastening pins
C Communication status LED (M C 485232, M C BAC MS, M C PB)
D Local bus port for main unit or digital output module
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Features
General
Mounting On main unit (with or without digital output module)
Weight 80g
Power supply Self power supply via local bus
M C 485232 module
RS485 port
Protocols Modbus RTU
Devices on the same
bus
Max 160 (1/5 unit load)
Communication type Multidrop, bidirectional
Connection type 2 wires, maximum distance 1000 m
Configuration parameters
Modbus address (from 1 to 247)
Baud rate (9,6/ 19,2/ 38,4/ 115,2 kbps)
Parity (None/ Odd/ Even)
Configuration mode Via keypad or UCS software
RS232 port
Protocols Modbus RTU
Communication type Bidirectional
Connection type 3 wires, maximum distance 15 m
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Configuration parameters
Modbus address (from 1 to 247)
Baud rate (9,6/ 19,2/ 38,4/ 115,2 kbps)
Parity (None/ Odd/ Even)
Configuration mode Via keypad or UCS software
Note: the RS485 and RS232 ports are alternative.
LED
Meaning
Communication status:
Yellow: receiving
Green: transmitting
Memory (MC 485232 M only)
See "Memory" on page 53
M C ETH module
Ethernet port
Protocols Modbus TCP/IP
Client connections Maximum 5 simultaneously
Connection type RJ45 connector (10 Base-T, 100 Base-TX), maximum distance 100 m
Configuration parameters
IP address
Subnet mask
Gateway
TCP/IP port
Configuration mode Via keypad or UCS software
Memory (MC 485232 M only)
See "Memory" on page 53
M C BAC IP module
Ethernet port
Protocols BACnet IP (reading)
Modbus TCP/IP (reading and configuration)
Client connections (Modbus only) Maximum 5 simultaneously
Connection type RJ45 connector (10 Base-T, 100 Base-TX), maximum distance 100 m
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Ethernet port
Configuration parameters
BACnet IP protocol:
• Instance number (from 0 to 9999 via keypad, from 0 to 4194302 via communication)
• Foreign Device enabling
• BBMD address
• UDP port
• WM40 time-to-live recording as Foreign Device on specified BBMD server
Modbus TCP/IP protocol:
• IP address
• Subnet mask
• Gateway
• TCP/IP port
Supported services "I-have", "I-am", "Who-has", "Who-is", "Read-property (multiple)"
Supported objects Type 2 (analogue value including COV property), type 5 (binary value, for alarm transmission),
type 8 (device)
Configuration mode Via keypad or UCS software
Memory (MC 485232 M only)
See "Memory" on page 53
M C BAC MS module
RS485 port
Protocols BACnet MS/TP (measurement reading and object description writing)
Communication type Multidrop, monodirectional
Connection type 2 wires, maximum distance 1000 m
Supported services "I-have", "I-am", "Who-has", "Who-is", "Read-property (multiple)"
Supported objects Type 2 (analogue value including COV property), type 5 (binary value, for alarm transmission),
type 8 (device)
Configuration parameters
BACnet IP protocol:
• Instance number (from 0 to 9999 via keypad, from 0 to 4194302 via communication)
• Baud rate (9,6/ 19,2/ 38,4/ 57,6/ 76,8 kbps)
• MAC address (from 0 to 127)
Configuration mode Via keypad or UCS software
Ethernet port
Protocols Modbus TCP/IP (configuration)
Client connections (Modbus only) Maximum 5 simultaneously
Connection type RJ45 connector (10 Base-T, 100 Base-TX), maximum distance 100 m
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Configuration parameters
IP address
Subnet mask
Gateway
TCP/IP por
Configuration mode Via keypad or UCS software
LED
Meaning
Communication status:
Yellow: receiving
Green: transmitting
Memory (MC 485232 M only)
See "Memory" on the next page
M C PB module
Profibus port
Protocols Profibus DP V0 slave
Connection type 9-pin D-sub receptacle RS485
Configuration parameters
Address, via keypad
Other settings with UCS software via serial communication
Configuration mode Via keypad or UCS software
Micro-USB port
Protocols Modbus RTU
Type USB 2.0 (USB 3.0 compatible)
Connection type Micro-USB B
Baud rate Any (maximum 115.2 kbps)
Address 1
LED
Meaning
Communication status:
Red: between module and main unit
Green: between module and Profibus master
Memory (MC 485232 M only)
See "Memory" on the next page
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Memory
Event log
Type of data Alarm, min, max, digital input status, digital output status as remote control, resets.
Stamping format Date (dd:MM:yy) and hour (hh:mm:ss) reference.
Number of events Up to 10,000
Data management type FIFO
Configuration parameters
Enabling
Storage interval
Events
Reset database
Configuration mode Via UCS software
Electrical variables datalog
Type of data Minimum/maximum/average values in each time interval of any measured variable.
Stamping format Date (dd:MM:yy) and hour (hh:mm:ss) reference.
Number of variables Up to 19
Time interval From 1 minute up to 60 minutes.
Data management type FIFO
Configuration parameters
Enabling
Storage interval
Variables
Reset database
Configuration mode Via UCS software
Load profile datalog
Type of data average values in each time interval of active or reactive power
Stamping format Date (dd:MM:yy) and hour (hh:mm:ss) reference.
Number of variables 1
Time interval From 1 minute up to 60 minutes.
Data management type FIFO
Configuration parameters
Enabling
Storage interval
Active or apparent power
Reset database
Configuration mode Via UCS software
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Connection Diagrams
8
7
6
4
3
2
1
8
7
6
4
3
2
1
Fig. 30 M C 485232. RS485 serial port.
Note: additional meters with RS485 are connected in daisy chain. The serial output must only be terminated on
the last network meter connecting terminals B+ and T.
8
7
6
4
3
2
1
Fig. 31 M C 485232. RS232 serial port.
4
3
2
1
4
3
2
1
Fig. 32 M C BAC MS. RS485 serial port.
Note: additional meters with RS485 are connected in daisy chain. The serial output must only be terminated on
the last network meter connecting terminals B+ and T.
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References
Order code
Code Module description
MC 485232 Modbus RTU communication on RS485/RS232
MC 485232 M Modbus RTU communication on RS485/RS232+ memory
MC ETH Modbus TCP/IP communication on Ethernet
MC ETH M Modbus TCP/IP communication on Ethernet+ memory
MC BAC IP BACnet IP communication on Ethernet
MC BAC IP M BACnet IP communication on Ethernet + memory
MC BAC MS BACnet MS/TP communication on RS485
MC BAC MS M BACnet MS/TP communication on RS485+ memory
MC PB Profibus DP V0 communication on RS485
MC PB M Profibus DP V0 communication on RS485+ memory
MC EI Ethernet/IP communication on Ethernet
MC EI M Ethernet/IP communication on Ethernet+ memory
Further reading
Information Document Where to find it
WM40 instruction manual Instruction manual - WM40 www.productselection.net
Communication module instruction
manual (M C 485232, M C ETH, M C
BAC IP, M C BAC MS)
Communication module instruction
manual (M C PB)
CARLO GAVAZZI compatible components
Purpose Component name/-
code Notes
Power the module via
analyzer
WM20
WM30
WM40
The communication module only works connected to an analyzer. See relevant datasheets.
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