Yaskawa Sigma-5 Series User Manual:: For Use with Large-Capacity Models-Setup. Rotary Motors - Manual (Page 31)

2.2 Servomotor Installation
2-9
Installation
„ Protecting the Servomotor
WARNING
• Be sure to connect the servomotor’s built-in thermostat to the host control-
ler or to the main circuit magnetic contactor’s operation circuit.
Failure to observe this warning may result in injury, fire, or damage to the product.
• Usage Example 1:
In this example, the output signal from the thermostat is received by the host
controller if the thermostat is activated and the host controller turns OFF the
servo.
• Usage Example 2:
In this example, the main circuit magnetic contactor’s operation circuit is acti-
vated or the output signal from the thermostat is received by the host controller if
the thermostat is activated and the main circuit magnetic contactor is turned OFF.
Host controller
Servo OFF
ENC
M
Thermostat
Main circuit
magnetic
contactor
Main circuit
power supply
SERVOPACK
and
converter
M
Main circuit
magnetic
contactor
Main circuit
power supply
Main circuit
magnetic contactor
Host controller or main circuit
magnetic contactor’s operation circuit
SERVOPACK
and
converter
Thermostat
ENC