ABB PVS800-57B

Control unit 79
 ABB DX571
No. Description
1. I/O bus
2. 16 yellow LEDs show the status of inputs I0 to
I15
3. Terminal number
4. Allocation of signal name
5. Terminal block for input signals (9-pole)
6. Terminal block for input signals (11-pole)
7. 2 holes for wall-mounting with screws
8. DIN rail