Chapter 2 Wiring
POWER CON
PCON-CB/LC
59
3) Example for wiring to stop supplying external motor power at emergency stop input
The emergency stop gets released when +24V is supplied to EMG- Terminal on the controller,
and emergency stop activates if the power supply is shut, and stops the actuator operation,
turns the servo OFF and cuts off the motor power supply inside the controller.
It gets connected when the external emergency stop switch is turned on, and connects +24V to
EMG- Terminal to the external drive cutoff relay coil via the emergency stop switch ON the
teaching tool.
Caution : x When supplying the power by turning ON/OFF the 24V DC, keep the 0V being
connected and have the +24V supplied/disconnected (cut one side only).
x The rating for the emergency stop signal (EMG-) is 24V DC and 10mA or less.
x Leave for 1 sec or more after shutting the power off before rebooting.
x Do not attempt to supply only the monitor power without supplying the control
power.
x The safety categories complied type (CGB Type, etc.) is not equipped with the relay
to have the controller automatically identify that a teaching tool was plugged in and
switch the wiring layout. Those other than the safety categories complied type do
the automatic identification.
24V DC Power Supply
Emergency
Stop Reset
Switch
Drive Cutoff
Circuit
External
Emergency
Stop Switch
Teaching Tool
Connection
Detection Circuit
(Contact opens
when connected)
CR
CR
CR
Driving Source
Cutoff Relay
(Coil Current
0.1A or less)
Emergency Stop Switch
of Teaching Pendant
Power Supply Connector
SIO Connector
Control Power
Supply
Motor Power
Brake Release Power Supply
Emergency Stop Control Circuit
Note) Supply 24V when connecting
actuator equipped with brake and
release brake compulsorily
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