Index 
3/07  UDC3500 Universal Digital Controller Product Manual  437 
12 Index 
8 Segment Characterizers ..........................3, 216 
A 
Aborting Accutune...........................................212 
Accutune – Register Addresses......................383 
Accutune Error Codes.....................................211 
Accutune III.................................................5, 204 
Accutune Set Up Group....................................72 
Alarm Blocking................................................171 
Alarm Hysteresis.............................................168 
Alarm Outputs...................................................15 
Alarm Prompts For Healthwatch Option..........166 
Alarm Prompts For Two Loops/Cascade Option
....................................................................165 
Alarm Relay Output Failure.............................323 
Alarm Relays.....................................................19 
Alarm Setpoints...............................................234 
Alarm Setpoints Display..................................234 
Alarms.................................................................3 
Alarms – Register Addresses..........................421 
Alarms For Software Options..........................165 
Alarms Set Up Group......................................164 
Algorithm – Register Addresses......................385 
Algorithm Set Up Group....................................77 
Ambient Temperature .......................................16 
Analog Input Failure........................................325 
Analog Input Signal Failure Operation ..............13 
Analog Inputs................................................2, 13 
Annunciators...................................................196 
Application Related Problems.........................306 
Approval Body Options .......................................5 
Atmospheric Pressure Compensation...............86 
Auto Bias.........................................................145 
Auto/Manual Key.............................................195 
Auto/Manual Station............................................4 
Auto/Manual Station Mode
..............................224 
Automatic Cascade.........................................200 
Automatic Tune...............................................208 
Automatic With Local Setpoint ........................200 
Automatic With Remote Setpoint ....................200 
Autotune Is Complete......................................212 
Auxiliary Output...................................................4 
Auxiliary Output Range...................................152 
B 
Background Tests...........................................309 
Baud Rate.......................................................161 
Bias.................................118, 121, 124, 127, 130 
Blended Tune..................................................209 
Burnout Protection ..........118, 122, 125, 127, 130 
C 
Calibration Mode.....................................291, 303 
Calibration Steps.............................................276 
Carbon Potential ...............................86, 240, 241 
Carbon Potential .....................................192, 238 
Carbon Potential Selections..............................83 
Cascade Control .............................................228 
CE Conformity (Europe)....................................10 
CE Mark............................................................. 5 
Changing Control Modes.................................201 
Changing The Local Setpoints ........................202 
Characterizer...............................................92, 94 
Clock – Register Addresses............................431 
Combinational Inputs ......................................... 3 
Communications ................................................ 4 
Communications – Register Addresses ..........419 
Communications Failure..................................326 
Communications Selection..............................160 
Communications Set Up Group.......................160 
Comparator Gates...........................................217 
Computer Setpoint ..........................................353 
Computer Setpoint Bias ..................................162 
Computer Setpoint Ratio.................................162 
Computer Setpoint Units.................................162 
Configuration.....................................................43 
Configuration Data ..........................................345 
Configuration Parameters ...............................356 
Configuration Procedure ...................................49 
Configuration Prompt Hierarchy........................45 
Configuration Record Sheet............................184 
Control – Register Addresses .........................409 
Control 2 Set Up Group...................................141 
Control Algorithm ..............................................77 
Control And Alarm Relay Contact Information...19 
Control Loop 2 – Register Addresses..............412 
Control Mode Definitions.................................200 
Control Modes.................................................200 
Control Relays...................................................19 
Control Set Up Group......................................132 
Control/Alarm Circuit Wiring..............................22 
Controller Dropoff Value..........................138, 147 
Controller Failure Symptoms...........................314 
Controller Grounding.........................................22 
Controller Output Types....................................14 
Counter ...........................................................174 
Current Duplex........................................106, 109 
Current Output ....................................34, 36, 111 
Current Output 2 .............................................148 
Current Output 3 .............................................152 
Current Output Calibration ..............294, 296, 298 
Current Output Failure Symptoms...................316 
Current Simplex ......................................106, 109 
Current/Time Duplex...............................106, 109 
Current/Time Or Time/Current Proportional 
Output Failure .............................................322 
Customer Support...........................................307 
Cycle Number .................................................350 
Cycle Time (Cool) .......................................52, 56 
Cycle Time (Heat) .......................................52, 56 
Cycles Remaining ...........................................350