7
AMPLIFIER ENABLE (WATCHDOG) RELAY OUTPUT
An internal relay may be used to enable external amplifiers when the controller has
powered up correctly and the system and application software are ready. The amplifier
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 an axis
error exists OR the user program sets it open with the WDOG=OFF command.
0
0
ETHERCAT DRIVES WILL BE ENABLED VIA THE ETHERCAT NETWORK SO THE
“AMPLIFIER ENABLE” CONNECTION IS NOT NORMALLY REQUIRED.
ALL NON ETHERCAT STEPPER AND SERVO AMPLIFIERS MUST BE INHIBITED
WHEN THE AMPLIFIER ENABLE OUTPUT IS OPEN CIRCUIT.
An additional safety relay may be required so as to meet machine safety approvals.
Enable
Not Used
Not used
Input/Output 8
Input/Output 9
Input/Output 10
Input/Output 11
Input/Output 12
Input/Output 13
Input/Output 14
Input/Output 15
Input/Output 24V
24V
Input 0
Input 1
Input 2
Input 3
Input 4
Input 5
Input 6
Input 7
Input/Output 0V
0V
Amplifier
Enable 1
Amplifier
Enable 2
To other axis enables
24V 0V
0V
Enable
CONTROLLER
SERVO AMPLIFIER
