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Module Functions:

User can select from below eight functions, by using the key buttons onboard.
User can select and save the set parameters. The set time is 1 second at minimum,
and precision is better than 0.1 second. The eight functions are as follows:

    1)Close upon the set time: after power one, the delay time T1 reaches, and the relay closes.
T1 is adjustable between 0 second to 270 hours. When we feed CH1 a high level pulse signal,
the cycle repeats itself (the high level time lasts longer or equal to 20ms. Same applies to below).
    2)Disconnect upon the set time: when the relay closes, the delay time T1 reaches, and the relay
opens. T1 is adjustable between 0 second to 270 hours. When we feed CH1 a high level pulse signal,
the cycle repeats itself.
    3)Cycle Mode 1: after power on, the relay does not close at first. When T1 reaches, the relay closes. When T2 reaches, the relay opens. And the cycle goes on. T1 and T2 adjustable between 0 second to
270 hours. When we feed CH1 a high level pulse signal, the cycle repeats itself.
    4)Cycle Mode 2: after power on, the relay immediately closes. When T1 reaches, relay opens; when
T2 reaches, the relay closes again, and the cycle goes on. When we feed CH1 a high level pulse signal,
the cycle repeats itself.
    5)Self-lock relay mode: we feed CH1 a high level pulse signal, relay closes. When we again feed a high level pulse signal, the relay opens.
    6)Trigger relay mode: we feed CH1 a high level signal, relay closes. When the high level finishes, the relay opens.
    7)Limited cycle mode 1: on basis of function 3, we increase the cycles. Under this mode, T1 and T2 are adjustable between 0 second to 9999 second, the cycle is selectable between 1 to 9999 times.
    8)Limited cycle mode 2: on basis of function 4, we increase the cycles. Under this mode, T1 and T2 are adjustable between 0 second to 9999 second, the cycle is selectable between 1 to 9999 times.

Connections:

    Module control side: there are 3-wire interface, all interfaces are terminal
    1, DC +:12V positive
    2, DC-: power in negative
    3, CH1: Input Detection Interface
    Relay outputs: a 3-wire interface, all interfaces are terminal
    1, NO: normal open (before relay closes, this pin is not connected. after relay closes, the pin short-connects with COM)
    2, COM: Relay Common Interface
    3, NC: Normal closed (before relay closes, this pin short-connect with COM. after relay closes, the pin is not connected )

Specification:

    Size:66x40x1.5mm(approx)
    Color: as the photos show.

Package Included:

1PCS*12V Cycle Timer Relay Module PLC Home Automation Delay Multifunction

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