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IM 05P02D41-01EN
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App
Index
Chapter 8 Control Functions
8.1 Control Function Block Diagrams ..................................................................................... 8-1
8.1.1 Single-loop Control, Single-loop Heating/cooling Control, and Single-loop
Position Proportional Control .............................................................................. 8-1
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Single-loop Control Function Block Diagram ...................................................................8-2
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Single-loop Heating/cooling Control Function Block Diagram .........................................8-4
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Single-loop Position Proportional Control Function Block Diagram .................................8-6
8.2 Setting Control Type (CNT) .............................................................................................. 8-8
8.2.1 PID Control ......................................................................................................... 8-9
8.2.2 ON/OFF Control (1 point of hysteresis / 2 points of hysteresis) ....................... 8-10
8.2.3 Heating/cooling Control .................................................................................... 8-12
8.2.4 PD Control (Stable Control in Which a Setpoint is not Exceeded) ................... 8-17
8.3 Setting PID Control Mode (ALG) .................................................................................... 8-18
8.4 Switching PID ................................................................................................................. 8-20
8.4.1 Switching PID According to Target Setpoint Number (SPNO) .......................... 8-20
8.4.2 Switching PID According to PV ......................................................................... 8-21
8.4.3 Switching PID According to SP ......................................................................... 8-22
8.4.4 Switching PID According to Target SP .............................................................. 8-24
8.4.5 Switching PID According to Deviation (Reference Deviation) ........................... 8-26
8.4.6 Setting Hysteresis at Time of PID Switch ......................................................... 8-27
8.4.7 Switching PID Irrespective of Operation Mode ................................................. 8-27
8.4.8 Switching PID by Contact Input ........................................................................ 8-27
8.5 Suppressing Overshoot (Super Function) ...................................................................... 8-28
8.6 Suppressing Hunting (Super2 Function) ........................................................................ 8-30
8.7
Suppressing Integral Action (Anti-reset Wind-up) .................................................................. 8-32
8.8 AdjustingAuto-tuningOperation .................................................................................... 8-33
8.9 Setting SP Limiter ........................................................................................................... 8-34
8.10 Setting Program Time Unit ............................................................................................. 8-35
8.11
Forcing Local Setpoint (LSP) to Track Program Setpoint (SP Tracking) ........................... 8-36
8.12
Setting Controller Action at Power ON (Restart Mode) ......................................................................8-37
8.13 Setting Time between Powering on Controller and Starting Control (Restart Timer) ..... 8-38
Chapter 9 Program Pattern Functions
9.1 Setting the Setting Method of Program Pattern ................................................................ 9-1
9.1.1 Setting the Program Pattern Using the Segment Time ....................................... 9-2
9.1.2 Setting the Program Pattern using the Ramp-rate and Segment Time .............. 9-3
9.1.3 Setting the Program Time Unit ............................................................................ 9-5
9.2 PID Selection Method ....................................................................................................... 9-6
9.2.1 Segment PID Selection ....................................................................................... 9-6
9.2.2 Zone PID Selection ............................................................................................. 9-7
9.2.3 Local PID Selection ............................................................................................ 9-7
9.3 Setting the Program Starting Conditions (STC) ............................................................... 9-8
9.3.1 Starting operation at starting target setpoint (SSP) (STC=SSP) ........................ 9-8
9.3.2 Ramp-prioritizedPVstart(STC=RAMP) ............................................................. 9-9
9.3.3 Time-prioritizedPVstart(STC=TIME) .............................................................. 9-12
9.3.4 Starting operation at local target setpoint (STC=LSP) ...................................... 9-13
9.4
Setting the Wait Functions ................................................................................................. 9-15
9.4.1 Program Wait at Segment End ......................................................................... 9-15
9.4.2 Program Wait in the Middle of a Segment ........................................................ 9-18
9.5
Setting the Segment Repetition .......................................................................................................... 9-19
9.6 Operation with Linked Program Patterns ....................................................................... 9-20
9.7
Setting Event Functions ......................................................................................................................9-23
Contents