Watlow PPC-2000 - Manual (Page 12)

Table of Contents PPC-2000 User’s Guide
vi Watlow Anafaze Doc.# 30002-00 Rev 2.3
Troubleshooting 141
General Description 141
PPC-2010 Processor 141
Processor Module LEDs 147
PPC-2040 Digital I/O 151
PPC-207x Digital In 153
Troubleshooting and Corrective Actions 154
Digital Inputs and Outputs 154
Process Variable 154
Communications 155
Resetting Closed-Loop Control Parameters 156
Disabling Control 157
LogicPro and Modbus Reference 159
Overview 159
Text Conventions in the Database Sections 159
The PPC-2000 Database 160
Data Table Organization 161
How LogicPro Accesses the Database 162
Analog and Counter Input Parameters in the Database 163
Accessing Analog and Counter Input Parameters with Modbus 163
Accessing Analog and Counter Input Parameters with
LogicPro 163
Analog Input Numbers and Address Offsets 164
Analog and Encoder Input Parameters 168
Channel Parameters in the Database 172
Accessing Channel Parameters with Modbus 172
Accessing Channel Parameters with
LogicPro 173
Channel Parameters for Heat and Cool Outputs 173
Channel Parameters 173
State and Logic 195
Accessing Digital I/O Parameters with Modbus 195
Digital I/O Numbers and Address Offsets 196
Digital I/O Parameters 200
Accessing Analog Outputs with Modbus 202
Accessing Analog Outputs with
LogicPro 202
Analog Outputs and Modbus Addresses 202
Analog Output Value 204
Soft Bool and Soft Int Registers in the Database 205
Accessing Soft Bool and Soft Int Registers with Modbus 205
Accessing Soft Bool and Soft Int Registers with
LogicPro 205
Soft Bool and Soft Int Registers 205
Global Parameters in the Database 206
Accessing Global Parameters with Modbus 206
Communications Parameters 207
Global Database Parameters 209