Trio Motion Technology MC403 - Manual (Page 5)

An internal relay is used to enable external amplifi ers when the
controller has powered up correctly and the system and application
software are ready. The amplifi er enable is a single pole solid state
relay with a normally open “contact”. The enable relay contact will
be open circuit if there is no power on the controller OR a following
error exists on a servo axis OR the user program sets it open with
the WDOG=OFF command.
ALL STEPPER AND SERVO AMPLIFIERS MUST BE INHIBITED WHEN
THE AMPLIFIER ENABLE OUTPUT IS OPEN CIRCUIT
AMPLIFIER
ENABLE
(WATCHDOG)
RELAY OUTPUT
MC 403
Amplifi er
Enable 1
Amplifi er
Enable 2
V+
V-
Trio Controller Servo Amplifi er
To other axis enables
24V 0V 0V
Enable
VIN +
VIN-