Watlow CPC400 User Manual
Page 4
Table of Contents
CPC400 Series User’s Guide
ii
Watlow Anafaze
Doc. 0600-2900-2000
Setting Up Remote Analog Set Point 76
Setting Parameters Through Serial Communications or a LogicPro Program 78
Control Algorithms 81
Manually Tuning PID Loops 85
Control Outputs 88
5 Menu and Parameter Reference 91
Operator Parameters 92
Overview of the Setup Menus 94
Global Setup Menu
96
Input Menu 104
Channel Menu 109
Control Menu 111
Output Menu 116
Alarms Menu 121
Process Variable Retransmit Menu 125
Cascade Menu 127
Ratio Menu 128
Soft Integers Menu 130
Soft Booleans Menu 131
I/O Tests Menu 131
Additional Parameters for Serial Communications and LogicPro Programs 132
6 Troubleshooting and Reconfiguring 139
When There is a Problem 139
Troubleshooting the Controller 140
Corrective and Diagnostic Procedures 145
Additional Troubleshooting for Computer Supervised Systems 152
Clearing the RAM 153
Replacing the Flash Memory Chip 154
Changing the Hardware Communications Protocol 157
Installing Scaling Resistors 157
Configuring Serial DAC Outputs 162
Configuring Dual DAC Outputs 163
CPC400 System Specifications 165
CPC400 Power Supply 176
Dual DAC Specifications 178
Serial DAC Specifications 180
Appendix A: Modbus Protocol 183
Master-Slave Model 183
Modbus ASCII and RTU Modes 185
Message Framing 185
Error Checking Methods 188
Function Codes 190
Examples 193