Instruction Manual

Chapter 4: Troubleshooting PPC-2000 User’s Guide
156 Watlow Anafaze Doc.# 30002-00 Rev 2.3
ç
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.