
xiv IM 05P01D31-01EN
6.3 Performing and Canceling Auto-tuning............................................................................6-11
6.4 AdjustingPIDManually .................................................................................................. 6-14
6.5 Setting Alarm Setpoint.................................................................................................... 6-20
6.6 Selecting Target Setpoint Number (SPNO) .................................................................... 6-21
6.7 Switching Operation Modes ........................................................................................... 6-22
6.7.1 Switching between AUTO and MAN ................................................................. 6-22
Direct Operation by A/M Key .............................................................................................6-22
6.7.2 Switching between STOP and RUN ................................................................. 6-24
6.7.3 Switching between REM (Remote) and LCL (Local) ........................................ 6-26
6.8 Manipulating Control Output during Manual Operation .................................................. 6-28
6.9 Releasing On-State (Latch) of Alarm Output.................................................................. 6-29
Chapter7Input(PV)Functions
7.1 SettingFunctionsofPVInput........................................................................................... 7-1
7.1.1 Setting Input Type, Unit, Range, Scale, and Decimal Point Position.................. 7-1
7.1.2 Setting Burnout Detection for Input..................................................................... 7-3
7.1.3 Setting Reference Junction Compensation (RJC) or External Reference
Junction Compensation (ERJC) ......................................................................... 7-4
7.1.4 CorrectingInputValue ........................................................................................ 7-5
(1) Setting Bias and Filter ....................................................................................................7-5
7.1.5 Setting Ratio Bias ............................................................................................... 7-6
Chapter 8 Control Functions
8.1 Control Function Block Diagrams..................................................................................... 8-1
8.1.1 Single-loop Control, Heating/cooling Control, Position Proportional Control,
and Two-position Two-level Control .................................................................... 8-1
nSingle-loop Control Function Block Diagram ...................................................................8-2
nHeating/cooling Control Function Block Diagram ............................................................8-4
nPosition Proportional Control Function Block Diagram ....................................................8-6
nTwo-position Two-level Control Function Block Diagram.................................................8-8
8.2 Setting Control Type (CNT) ............................................................................................ 8-10
8.2.1 PID Control ........................................................................................................8-11
8.2.2 ON/OFF Control (1 point of hysteresis / 2 points of hysteresis) ....................... 8-12
8.2.3 Heating/cooling Control .................................................................................... 8-14
8.2.4 Two-position Two-level Control......................................................................... 8-20
8.2.5 PD Control (Stable Control in Which a Setpoint is not Exceeded) ................... 8-22
8.3 Setting PID Control Mode (ALG) .................................................................................... 8-23
8.4 Switching PID ................................................................................................................. 8-25
8.4.1 Switching PID According to Target Setpoint Number (SPNO) .......................... 8-25
8.4.2 SwitchingPIDAccordingtoPV......................................................................... 8-26
8.4.3 Switching PID According to SP......................................................................... 8-28
8.4.4 Switching PID According to Target SP.............................................................. 8-30
8.4.5 Switching PID According to Deviation (Reference Deviation)........................... 8-32
8.4.6 Setting Hysteresis at Time of PID Switch ......................................................... 8-33
8.4.7 Switching PID by Contact Input ........................................................................ 8-33
8.5 Suppressing Overshoot (Super Function) ...................................................................... 8-34
8.6 Suppressing Hunting (Super2 Function) ........................................................................ 8-36
8.7 Suppressing Integral Action (Anti-reset Wind-up) .......................................................... 8-38
8.8 AdjustingAuto-tuningOperation.................................................................................... 8-39
Chapter9AuxiliaryControlFunctions
9.1 Setting SP Limiter............................................................................................................. 9-1
9.2 Changing SP at a Fixed Rate (SP Ramp-Rate Setting Function) .................................... 9-2
Contents