User`s guide

Table of Contents Series D8 User’s Guide
vi Watlow Anafaze Doc. 0600-3120-2000
Digital Inputs 152
Keypad Test 152
Display Test 152
Test Digital Output 1 to 20 153
Parameters Only Available via Communications 153
Alarm Acknowledge 153
Alarm Enable 153
Alarm Function 154
Alarm Status 154
Ambient Sensor Reading 155
Heat/Cool Output Action for Watchdog Inactivity Fault 156
7 Troubleshooting and Reconfiguring 157
When There is a Problem 157
Returning a Unit 158
Troubleshooting the Controller 158
Process Alarms 159
Ambient Warning 160
Failed Sensor Alarms 160
System Alarms 160
Other Behaviors 161
Reading the DeviceNet Indicator Lights 162
Corrective and Diagnostic Procedures 163
Low Power 163
Battery Dead 163
H/W Error: Gain or Offset 164
H/W Error: Ambient 165
Keys Do Not Work 166
Checking Analog Inputs 166
Earth Grounding 167
Testing Control Output Devices 168
Testing the TB18 and TB50 168
Testing Control and Digital Outputs 168
Testing Digital Inputs 169
Clearing the RAM 169
Replacing the Flash Memory Chip 170
Installing Scaling Resistors 172
Input Circuit 172
Current Inputs 173
Voltage Inputs 174
RTD Inputs 175
Scaling and Calibration 176
Configuring Serial DAC Outputs 176
Configuring Dual DAC Outputs 177
8 Specifications 179
System Specifications 179
Physical Specifications 179
Inputs 185
Outputs 187
Power Supply 189
Dual DAC Specifications 191
Dual DAC Inputs 192
Dual DAC Analog Outputs 192