YASKAWA E-S Series - Page 82

4.5 I/O Signal Connections
4.5.3 I/O Circuits
4-19
4
Wiring and Connections
Sequence Output Circuits
 Photocoupler Output Circuits
Photocoupler output circuits are used for the ALM (Servo Alarm), /S-RDY (Servo Ready), and
other sequence output signals. They are connected to relay circuits.
 Electrical Specifications
Incorrect wiring or incorrect voltage application to the output circuits may cause short-circuit fail-
ures.
Short-circuit failures can result in equipment damage or personal injury.
Example for Relay Circuit
Item Characteristics Remarks
External power supply 24 VDC ±10% –
Allowable Current Range 1 mA to 10 mA DC This is the current range per point.
Important
0V
Relays
24 VDC ± 10%
SERVOPACK