Instruction Manual

PPC-2000 User’s Guide Chapter 4: Troubleshooting
Doc.# 30002-00 Rev 2.3 Watlow Anafaze 157
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CAUTION! Do not perform this procedure at a time during which
closed-loop control and logic program outputs
should not be turned off.
1. Remove power from the PPC-2000 system.
2. Note the setting of the rotary switch on the Processor
Module.
3. Set the rotary switch to position E.
4. Power up the PPC-2000 system.
5. Wait five seconds.
6. Remove power from the PPC-2000 system.
7. Set the rotary switch back to the position noted in Step 2.
8. Power up the PPC-2000 system.
Disabling Control
If the settings in a PPC are not known it may be desirable to
power up the system in a state that will not generate outputs.
The following procedure describes how to power up the PPC-
2000 such that the closed-loop control and logic program, if any,
do not automatically begin:
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CAUTION! Do not perform this procedure at a time during which
closed-loop control and logic program outputs
should not be turned off.
1. Remove power from the PPC-2000 system.
2. Note the setting of the rotary switch on the Processor
Module.
3. Set the rotary switch to position H.
4. Power up the PPC-2000 system.
5. Set channels to the desired control modes to begin closed-
loop control.
6. Click the Start Logic button on the PPC Globals screen to
start the logic program, if desired.