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IA-3121-E
7
Specifications are subject to change without notice
32-ch Solid-State Relay (SSR) Board,
Ethernet IP Controlled
IA Series-3000 Daisy-Chain
Pin Assignment
J1
– Main Port (LAN)
J2
- Expansion Port (RS-232, DB9 Male)
Pin Function
#2 Tx
#3 Rx
#5 GND
TB1, 2, 4, 5
– SSR #1 to SSR #32
TB3
– Power supply input terminal
User Defined Jumpers & Led
SJP Jumper
– User defined jumper
SLD Led
– User defined led