APPENDIX E: EtherNet/IP
TM
COMMUNICATIONS
IS-300CR INVERTER POWER SUPPLY
E-32 990-418
Weld Control via Digital Input Tags
To perform a weld via the IS-300CR digital inputs, the machine builder PLC can program the controller
digital input tags to control the weld process.
For example, to select the weld schedule number 2 and command the weld, the PLC program must set
these tags as:
ioControl.do.weldOnOffDO3_2 = 1
Must turn on the Weld ON/OFF to ON
ioControl.do.schdule2DO2_1 = 1
Set the weld schedule 2 masking bit
Is the System READY? Monitoring for the digital output ioControl.di.out1DI3 > 0 ?
Note: the System READY is mapped to the digital output 1 on the pendant OUTPUT SELECT menu.
ioControl.do.stage1DO11_1 = 1
Turn on the weld head stage 1 control
ioControl.do.stage2DO12_1 = 1
Turn on the weld head stage 2 control
ioControl.do.stage1DO11_1 = 0
Turn off the weld head stage 1 control
ioControl.do.stage2DO12_1 = 0
Turn off the weld head stage 2 control
Note: The requirement to turn ON/OFF both Stage 1 and Stage 2 is depending on the weld
configurations. A weld can also be controlled with only having a weld head stage 2 ON/OFF
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