Product Name :2PCS Industrial Grade RS485 to TTL232 UART Isolated communication Surge Protection Module for PLC MCU FPGA
2 pcs RS485 to TTL232 Isolated communication Surge Protection Module
Features:
RS485 to TTL232 Isolated communication Surge Protection Module
Working voltage: DC 5V (DC 4.5-5.5V)
Working current: <2mA
Communication rate (baud rate): 100-256000BPS
TTL Level: 5V
TVS anti-surge protection
Industrial grade RS485 chip
RX TX Signal 3000V digital isolation
R/D Signal optocoupler isolation
Operating temperature: -40°C to 85°C
Size : 29 x 16 x 7mm
Weight: about 2g
Typical Application:
RS485 TO TTL
for Arduiuo UNO MEGA PRO DUE
for Raspberr Pi 2 3B+
PLC Industrial control equipment
Pin description
S5V : RS485 Power+
SGND: RS485 Power-
A+ : RS485 A+
B- : RS485 B-
T5V : TTL Power+
TGND: TTL Power-
R/D : Data flow control signal,Usually set to low level,
TTL send data is set to high level
RX : TTL RXD(Connect MCU RXD pin)
TX : TTL TXD(Connect MCU TXD pin)
Wiring diagram:
