Fimer PVS980-58 - Abb Ai523

144 Control unit
 ABB AI523
No. Description
1. I/O bus
2. Allocation between terminal number and signal name
3. 16 yellow LEDs show the signal states of the analog inputs (I0...I15)
4. 1 green LED shows the status of the process supply voltage UP
5. 2 red LEDs show errors
6. Label
7. I/O terminal unit (TU515/TU516) with 40 terminals (screw-type or spring terminals)
8. DIN rail
1
2
3
4
5
6
7
8