vii  UDC3500 Universal Digital Controller Product Manual  3/07 
4.16  Auto/Manual Station ...............................................................................................................226 
4.17  Two Loops of Control.............................................................................................................230 
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.............................................239 
4.24  Setting Failsafe Mode..............................................................................................................240 
4.25  Carbon Potential, Oxygen and Dewpoint Algorithms.............................................................240 
4.26  Healthwatch.............................................................................................................................243 
4.27  Setpoint Rate/Ramp/Program Overview.................................................................................243 
4.28  Setpoint Rate ...........................................................................................................................244 
4.29  Setpoint Ramp.........................................................................................................................244 
4.30  Setpoint Ramp/Soak Programming.........................................................................................246 
4.31  P.I.E. Tool Maintenance Screens ............................................................................................261 
4.32  Configuring your Ethernet Connection...................................................................................271 
5  INPUT CALIBRATION.......................................................................................277 
5.1  Overview.....................................................................................................................................277 
5.2  Minimum and Maximum Range Values.....................................................................................278 
5.3  Preliminary Information..............................................................................................................280 
5.4  Input Set Up Wiring....................................................................................................................282 
5.4.1  Thermocouple Inputs Using an Ice Bath..........................................................................282 
5.4.2  Thermocouple Inputs Using a Thermocouple Source......................................................283 
5.4.3  RTD Inputs.......................................................................................................................284 
5.4.4  Radiamatic, Millivolts, Volts, Carbon, Oxygen or Thermocouple Differential Inputs....285 
5.4.5  0 to 10 Volts or –1 to 1 Volts...........................................................................................287 
5.4.6  Milliamperes ....................................................................................................................288 
5.4.7  Dual High Level Voltage Inputs ......................................................................................289 
5.4.8  Dual High Level Milliamperes Inputs..............................................................................290 
5.5  Input Calibration Procedure........................................................................................................291 
5.6  Restore Input Factory Calibration...............................................................................................293 
6  OUTPUT CALIBRATION...................................................................................295 
6.1  Overview.....................................................................................................................................295 
6.2  First Current Output Calibration.................................................................................................296 
6.3  Second Current Output Calibration.............................................................................................298 
6.4  Third Current Output Calibration ...............................................................................................300 
6.5  Position Proportional and Three Position Step Output Calibration............................................302 
6.6  Restore Factory Output Calibration............................................................................................305