Monitoring and Operating the Controller
3/07 UDC3500 Universal Digital Controller Product Manual 193
4 Monitoring and Operating the Controller
4.1 Overview
Introduction
This section gives you all the information necessary to help you monitor and operate your
controller including an Operator Interface overview, how to lockout changes to the
controller, entering a security code, and monitoring the displays.
What’s in this section?
The following topics are covered in this section.
TOPIC See Page
4.1 Overview 193
4.2 Operator Interface 194
4.3 Entering a Security Code 194
4.4 Lockout Feature 195
4.5 Monitoring Your Controller 197
4.6 Start Up Procedure for Operation 199
4.7 Control Modes 201
4.8 Setpoints 202
4.9 Timer 203
4.10 Accutune III 205
4.11 Fuzzy Overshoot Suppression 213
4.12 Using Two Sets of Tuning Constants 214
4.17 Two Loops of Control 214
4.18 Configuring Two Loops of Control 233
4.19 Monitoring Two Loops of Control 234
4.20 Operating Two Loops of Control 235
4.21 Alarm Setpoints 236
4.22 Three Position Step Control Algorithm 238
4.23 Setting a Failsafe Output Value for Restart after a Power Loss 238
4.24 Setting Failsafe Mode 240
4.25 Carbon Potential, Oxygen and Dewpoint Algorithms 240
4.26 Healthwatch 243
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