User Manual

ExternalCascadeControl ·················································· 61
InternalCascadeControl ··················································62
PIDCONTROL ······························································· 63
Proportional Band ·························································· 63
IntegralTime ······························································ 63
DerivativeTime ···························································· 64
Output Power Offset (Manual Reset) ············································64
PIDAdjustments ··························································· 64
ON/OFFCONTROL ··························································· 66
AUTO-TUNE ································································· 68
InitiateAuto-Tune ·························································· 69
Auto-TuneOfHeat/CoolSystems ···············································69
Auto-TuneOfInternalCascadeControllers ·······································69
Auto-TuneOfExternalCascadeSystems(RemoteSetpoint) ··························70
APPENDIX“A”-ApplicationExamples ···········································71
Plastics Extruder Application ··················································71
TemperatureControlProgrammingExample ······································72
APPENDIX “B” - SPECIFICATIONS AND DIMENSIONS ·······························73
APPENDIX“C”-TROUBLESHOOTING ············································78
Output Leakage Current ··················································· 80
APPENDIX“D”-MANUALTUNING ··············································· 81
Open Loop Step Response Method ·············································81
Closed Loop Cycling Method ·················································· 82
APPENDIX“E”-CALIBRATION·················································· 83
CalibrationCheck··························································· 83
mV Reading Check ························································· 83
Thermocouple Cold Junction Temperature Check ···································83
RTD Ohms Reading ························································· 83
Linear DC Output Check ·····················································83
Second Input Check ························································· 84
HeaterCurrentMonitorCheck ················································· 84
Second Analog Input Check ··················································· 84
Valve Positioner Check ······················································ 84
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