YOKOGAWA UT Advanced UT32A User Manual page 17

Contents
6.3
6.4
6.5
6.6
6.7
6.8
6.9
Chapter 7 Input (PV) Functions
7.1
Chapter 8 Control Functions
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
Chapter 9 Auxiliary Control Functions
9.1
9.2
xiv
Performing and Canceling Auto-tuning ............................................................................6-11
Adjusting PID Manually .................................................................................................. 6-14
Setting Alarm Setpoint .................................................................................................... 6-20
Selecting Target Setpoint Number (SPNO) .................................................................... 6-21
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
Manipulating Control Output during Manual Operation .................................................. 6-28
Releasing On-State (Latch) of Alarm Output .................................................................. 6-29
Setting Functions of PV Input ........................................................................................... 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 Correcting Input Value ........................................................................................ 7-5
(1) Setting Bias and Filter ....................................................................................................7-5
7.1.5 Setting Ratio Bias ............................................................................................... 7-6
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
n Single-loop Control Function Block Diagram ...................................................................8-2
n Heating/cooling Control Function Block Diagram ............................................................8-4
n Position Proportional Control Function Block Diagram ....................................................8-6
n Two-position Two-level Control Function Block Diagram .................................................8-8
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
Setting PID Control Mode (ALG) .................................................................................... 8-23
Switching PID ................................................................................................................. 8-25
8.4.1 Switching PID According to Target Setpoint Number (SPNO) .......................... 8-25
8.4.2 Switching PID According to PV ......................................................................... 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
Suppressing Overshoot (Super Function) ...................................................................... 8-34
Suppressing Hunting (Super2 Function) ........................................................................ 8-36
Suppressing Integral Action (Anti-reset Wind-up) .......................................................... 8-38
Adjusting Auto-tuning Operation .................................................................................... 8-39
Setting SP Limiter ............................................................................................................. 9-1
Changing SP at a Fixed Rate (SP Ramp-Rate Setting Function) .................................... 9-2
IM 05P01D31-01EN