PXR3 Instruction Manual - Coulton Instrumentation

Table of Contents1 Part Names and Functions .................................................................................................... 52 Operations ............................................................................................................................. 62-1 Parameter list ............................................................................................................ 62-2 Basic operations ....................................................................................................... 112-3 Parameter functions and method of settings ............................................................ 12 First block parameters ............................................................................................... 13Standby setting .......................................................................................................... 13Ramp-soak control..................................................................................................... 14Canceling the alarm latch .......................................................................................... 15Auto-tuning function ................................................................................................... 16Displaying ON-delay alarm or the remaining time of timers ...................................... 17Setting alarm 1 and 2 ................................................................................................ 18Upper limit of alarm 1 and 2 ...................................................................................... 18Lower limit of alarm 1 and 2....................................................................................... 18Key lock ..................................................................................................................... 19 Second block parameters .......................................................................................... 20Proportional band ...................................................................................................... 20Integral time ............................................................................................................... 21Derivative time ........................................................................................................... 22Hysteresis range for ON/OFF control ........................................................................ 23Cooling-side proportional band coefficient ................................................................ 24Cooling-side proportional band shift (Dead band/Overlap band) .............................. 25Output offset value ..................................................................................................... 26Anti-reset windup ....................................................................................................... 26Control algorithm ....................................................................................................... 27PV (Measured value) stable range ............................................................................ 31HYS (Hysteresis) mode at ON/OFF control ............................................................... 32Cycle time of control output 1 .................................................................................... 33Cycle time of control output 2 (cooling-side).............................................................. 34Input signal code........................................................................................................ 35Setting lower limit of the measuring range ................................................................. 36Setting upper limit of the measuring range ................................................................ 36Decimal point position................................................................................................ 38PV offset .................................................................................................................... 39SV offset .................................................................................................................... 40Time constant of input filter........................................................................................ 41Alarm types ................................................................................................................ 42Selecting ramp-soak patterns .................................................................................... 45Ramp-soak status display .......................................................................................... 461st to 8th target SV .................................................................................................... 461st to 8th ramp segment time .................................................................................... 461st to 8th soak segment time ..................................................................................... 46Ramp-soak modes..................................................................................................... 46 Third block parameters .............................................................................................. 49Specifying control system and action, and output direction at input burn-out............ 492