18.4
Connection
1
I/O bus
2
Allocation between terminal number and signal name
3
8 yellow LEDs to display the signal states at the digital inputs (I0 - I7)
4
4 yellow LEDs to display the signal states at the digital relay outputs (R0 - R3)
5
1 green LED to display the state of the process supply voltage UP
6
2 red LEDs to display errors
7
Label
8
Terminal unit
2019/02/27
All I/O channels (digital and analog) are protected against reverse polarity,
reverse supply and continuous overvoltage up to 30 VDC.
3ADR024117M02xx, 11, en_US
DX531
Connection
133