CHAPTER 4: OPERATING INSTRUCTIONS
UB25 LINEAR DC RESISTANCE WELDING CONTROL
4-12 990-665
Normal STOP
1 When finished welding, follow the Turn Off/Power Down procedures established for your
automated welding system.
2 Turn the Power Supply OFF -- unless the procedures for your automated welding system require
leaving it ON.
EMERGENCY STOP
NOTE: Connections for an external Emergency Stop Switch are described in Appendix B.
1 Push the Operator Emergency Stop Switch any time necessary to prevent injury to personnel or
damage to weld pieces or the welding system.
2 Clear the condition that caused the operator to hit the Operator Emergency Stop Switch.
Re-Set After EMERGENCY STOP
1 Clear the condition that caused the EMERGENCY STOP condition (whether initiated by an
Operator or by a programmed action from the PLC).
2 Inspect the electrodes, weld head, and weld cables to make sure there are no shorts or damage
that could prevent normal welding.
3 Inspect the production area to verify it is ready to continue welding.
4 Press the RUN key on the front of the Power Supply and verify the desired weld schedule is
displayed on the LCD.
5 Continue to weld following normal automation procedures.