YASKAWA Varispeed V7 Instruction Manual page 39

Wiring the Control Circuits
Pass the cable through wiring hole to connect it. Always mount the
cover in its original position.
S2 can be changed according to sequence input signal (S1 to S7) polar-
ity.
0 V common: NPN side (Factory setting)
+24 V common: PNP side
Refer to pages 234 and 235 for S2.
Wiring the Control Circuit Terminals
Insert the wire into the lower part of the terminal block and connect
it tightly with a screwdriver.
5.5 mm
(0.22 in.)
38
The wire sheath strip length must be 5.5 mm (0.22 in.).
Screwdriver Blade Width
0.4 mm max
(0.016 in.)
2.5 mm max
(0.098 in.)