IR-310-RM,
IR Controlled 10-ch High Power Relay Module
(Ver. 1.1, Jul/02/2013) 9
2.3
Pin assignments
Figure 2-2: Rear view
1. Relay output terminal
Table 2-1: Pin assignments of relays
Pin of Relay
Description
NO#
Normally Open
NC#
Normally Closed
COM#
Common
where # is the relay number (# = 0 ~ 9)
Figure 2-2
2. IR interface
IR Input: 3.5 mm audio jack for the IR receiver cable CA-IR-001.
IR Output: 3.5 mm audio jack for the IR emitter cable CA-IR-SH2251-5.
3. Communication terminal
Table 2-2: Pin assignments of serial port
Serial port
Pin
RS-485
DATA+
GND
DATA-
RS-232
TxD
RxD
GND
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