Description
This is a module which controls the 4 relays by RS232C communication. The communication parameters is 9600 bps, N, 8, 1 and 4 relay operation with LEDs. The normal driving power is DC12V / 500mA.
Features
- Operating voltage : DC12V (DC8 ~ 24V)
- Supply current : 500mA
- Relay contact capacity : AC250V10A, DC30V10A
- Four output status LEDs
- Communication method : RS232C
- Communication speed : 9600bps, 8, N, 1
Protocol
Baud Rate : 9600bps
Databit : 8 bit
Parameter : No
Stop bit : 1
☞ CR(0X0D) is the last command
<Relay Control>
RY : Command
1 : 1 Number of Relay Channel
0 : Relay Control ON(1), OFF(0)
CR : 0X0D
<Relay Control Example>
RY 11 -- Relay #1 ON
RY 10 -- Relay# 1 OFF
RY 21 -- Relay #2 ON
RY 20 -- Relay #2 OFF
RY A1 -- All Relay ON
RY A0 -- All Relay OFF
<Reply Code : No.>
<Read the Relay Operating Status>
RY Read the current ON/OFF status
> Command : RY
< Reply code : 10 (1 No. ON, 2 No. OFF state)
<Input Signal Read state >
Read Input state
> Command : IN
<Reply Code : 0 (OFF), 1(ON) state
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Option
Housing
※ Dimension Drawing Case
Temperature Sensor
Adapter
Serial Cable
USB Cable