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Introduction
4/07 UDC2500 Universal Digital Controller Product Manual vi
4 MONITORING AND OPERATING THE CONTROLLER.....................................89
4.1 Overview.......................................................................................................................................89
4.2 Operator Interface .........................................................................................................................90
4.3 Entering a Security Code ..............................................................................................................90
4.4 Lockout Feature ............................................................................................................................91
4.5 Monitoring Your Controller..........................................................................................................93
4.5.1 Annunciators......................................................................................................................93
4.5.2 Viewing the operating parameters......................................................................................94
4.5.3 Diagnostic Messages..........................................................................................................95
4.6 Single Display Functionality.........................................................................................................97
4.7 Start Up Procedure for Operation .................................................................................................99
4.8 Control Modes ............................................................................................................................100
4.8.1 Mode Definitions .............................................................................................................100
4.8.2 What happens when you change modes...........................................................................101
4.9 Setpoints......................................................................................................................................101
4.10 Timer.......................................................................................................................................102
4.11 Accutune III.............................................................................................................................104
4.11.1 Tune for Simplex Outputs ............................................................................................105
4.11.2 Tune for Duplex (Heat/Cool) .......................................................................................105
4.11.3 Using AUTOMATIC TUNE at start-up for Duplex (Heat/Cool).................................106
4.11.4 Using BLENDED TUNE at start-up for Duplex (Heat/Cool)......................................106
4.11.5 Using MANUAL TUNE at start-up for Duplex (Heat/Cool).......................................107
4.11.6 Error Codes...................................................................................................................109
4.12 Fuzzy Overshoot Suppression.................................................................................................110
4.13 Using Two Sets of Tuning Constants......................................................................................110
4.14 Alarm Setpoints.......................................................................................................................112
4.15 Three Position Step Control Algorithm...................................................................................113
4.16 Setting a Failsafe Output Value for Restart After a Power Loss.............................................114
4.17 Setting Failsafe Mode..............................................................................................................115
4.18 Setpoint Rate/Ramp/Program Overview.................................................................................115
4.19 Setpoint Ramp.........................................................................................................................116
4.20 Setpoint Rate ...........................................................................................................................117
4.21 Setpoint Ramp/Soak Programming.........................................................................................118
4.22 P.I.E. Tool Maintenance Screens ............................................................................................125
4.23 Configuring your Ethernet Connection...................................................................................131
5 INPUT CALIBRATION.......................................................................................136
5.1 Overview.....................................................................................................................................136
5.2 Minimum and Maximum Range Values.....................................................................................137
5.3 Preliminary Information..............................................................................................................139
5.4 Input 1 Set Up Wiring.................................................................................................................140