ABB AC 31 Technical Manual page 93

Cabling central and extensible remote units inputs/outputs:
Figure 4-12 : Positive logical inputs PNP
24 V d.c. unit power supply
Figure 4-14 : Positive logical inputs PNP
120/230 V a.c. unit power supply
Figure 4-16 : Relay outputs
Page 4-10
Installation
Figure 4-13 : Negative logical inputs NPN
Figure 4-15 : Negative logical inputs NPN
Figure 4-17 : Transistor outputs.
24 V d.c. unit power supply
120/230 V a.c. unit power supply
ABB Control - AC 31
1SBC 260400 R1001-b 06.99