Allocation between terminal number and signal name

6 yellow LEDs to display the signal states of the analog inputs/outputs (AI0 ... AI3, AO0 ... AO1)

8 yellow LEDs to display the signal states of the digital inputs (DI0 ... DI7)

8 yellow LEDs to display the signal states of the digital outputs (DO0 ... DO7)

2 green LEDs to display the process supply voltage UP and UP3

3 red LEDs to display errors (CH-ERR1, CH-ERR2, CH-ERR3)

5 system LEDs: PWR/RUN, STA1 ETH, STA2 ETH, S-ERR, I/O-Bus

Label

2 rotary switches for setting the IP address

Ethernet interfaces (ETH1, ETH2) on the terminal unit

Terminal unit

DIN rail