YASKAWA Sigma-V Series User Manual page 156

The built-in power supply of the SERVOPACK can be used. With an external power supply, a photocoupler
isolation circuit will be used. A non-isolated circuit will be used if the built-in power supply is used.
Host controller
∗
Tr
1.5 V or
less at ON
Tr
Tr
FG
∗
represents twisted-pair wires.
• Use a shielded cable for I/O signals and ground both ends of the shield.
• Connect the shield of the cable on the SERVOPACK side to the connector shell so
that the shield will be connected to the frame ground (FG) through the connector.
SERVOPACK
CN1
+12 V
1 kΩ
3
PL1
Photocoupler
150 Ω
7
PULS
8
/PULS
PL2 13
11
SIGN
12
/SIGN
4.7 kΩ
PL3
18
15
CLR
/CLR 14
4.7 kΩ
1
FG
5.4 Position Control
Analog
5
5-35