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Resetting closed-loop control parameters, Resetting closed-loop control parameters 156 – Watlow PPC-2000 User Manual

Page 182

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Chapter 4: Troubleshooting

PPC-2000 User’s Guide

156

Watlow Anafaze

Doc.# 30002-00 Rev 2.3

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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.

Set the rotary switch on the Processor module to position

H

.

3.

Power up the PPC-2000 system.

4.

Set the communications parameters used by the host
device or software to the appropriate values for setting

H

:

Network address: 1
Baud rate: 19.2 kbaud
Parity: Even
Data bits: 8
Stop bits: 1

5.

Attempt to communicate.

If the PPC-2000 still will not communicate and all other com-
ponents and settings have been verified, contact technical
support at the number in the front of this manual.

Resetting Closed-Loop Control Parameters

To restore all the closed-loop control, alarm, global and I/O
parameters to their factory default settings, perform the fol-
lowing procedure:

NOTE!

This procedure erases ALL user settings including
I/O assignments and restores all parameters to the
factory defaults, and all retained logic program values
are reset. Make a record of all settings you may wish
to restore before performing this procedure. A
Snapshot may be made in AnaWin3 to record closed-
loop control parameters for future downloading.

This procedure resets the programmable
communications parameters and restores them to the
factory defaults. Make a record of all settings you may
wish to restore before performing this procedure.

After performing the following procedure, refer to Setting
Programmable Modbus Addresses on page 87
, if necessary, to
reprogram the Modbus address or baud rate.