YOKOGAWA UP55A - Input (PV, Remote, and Auxiliary Analog) Functions; Setting Remote Input Method; Control Functions; Setting Retransmission Output Terminal, Type, and Scales

xiii
IM 05P02C41-01EN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
App
Index
Chapter7Input(PV,Remote,andAuxiliaryAnalog)Functions
7.1 Setting Functions of PV Input, Remote Input, and Auxiliary Analog 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 ..................................................................... 7-5
7.1.3 Setting Reference Junction Compensation (RJC) or External Reference
Junction Compensation (ERJC) ......................................................................... 7-6
7.1.4 Correcting Input Value ........................................................................................ 7-7
(1) Setting Bias and Filter ....................................................................................................7-7
(2) Setting Square Root Extraction and Low Signal Cutoff Point .........................................7-9
(3)Setting10-segmentLinearizer ...................................................................................... 7-10
7.1.5 Setting Ratio bias/filter ...................................................................................... 7-12
7.2 Setting Input Sampling Period (Control Period) ............................................................. 7-13
7.3 Using 4-wire RTD as PV Input........................................................................................ 7-14
7.4 Using Larger, Smaller, Average, or Difference of Two to Four Inputs as PV ................. 7-15
7.5 Setting Remote Input Method ......................................................................................... 7-16
7.6
AdjustingPVRangeforLoopControlwithPVSwitchingorLoopControlwithPV
Auto-selector
....................................................................................................................... 7-17
7.7 Setting PV Switching Methods of Loop Control with PV Switching ................................ 7-18
Chapter 8 Control Functions
8.1 Setting Control Mode (CTLM) .......................................................................................... 8-1
8.1.1 Single-loop Control, Single-loop Heating/cooling Control, and Single-loop
Position Proportional Control .............................................................................. 8-1
n
Single-loop Control Function Block Diagram ...................................................................8-2
n
Single-loop Heating/cooling Control Function Block Diagram .........................................8-4
n
Single-loop Position Proportional Control Function Block Diagram .................................8-6
8.1.2 Cascade Primary-loop Control ............................................................................ 8-9
n
Cascade Primary-loop Control Function Block Diagram ................................................ 8-10
8.1.3 Cascade Control, Cascade Heating/cooling Control, and Cascade Position
Proportional Control .......................................................................................... 8-13
n
Cascade Control Function Block Diagram .....................................................................8-15
n
Cascade Heating/cooling Control Function Block Diagram ...........................................8-16
n
Cascade Position Proportional Control Function Block Diagram ................................... 8-19
8.1.4 Loop Control with PV Switching, Heating/cooling Loop Control with
PV Switching, and Position Proportional Loop Control with PV Switching ....... 8-21
n
Loop Control with PV Switching Function Block Diagram .............................................. 8-22
n
Heating/cooling Loop Control with PV Switching Function Block Diagram .................... 8-25
n
Position Proportional Loop Control with PV Switching Function Block Diagram ...........8-27
8.1.5 Loop Control with PV Auto-selector, Heating/cooling Loop Control with PV
Auto-selector, and Position Proportional Loop Control with PV Auto-selector .. 8-29
n
Loop Control with PV Auto-selector (2 inputs) Function Block Diagram ........................8-31
n
Heating/cooling Loop Control with PV Auto-selector (2 inputs) Function Block Diagram ..8-33
n
Position Proportional Loop Control with PV Auto-selector (2 inputs) Function Block Diagram .8-35
n
Loop Control with PV Auto-selector (4 inputs) Function Block Diagram ........................8-36
n
Heating/cooling Loop Control with PV Auto-selector (4 inputs) Function Block Diagram .8-39
n
Position Proportional Loop Control with PV Auto-selector (4 inputs) Function Block Diagram .8-41
8.2 Setting Control Type (CNT) ............................................................................................ 8-42
8.2.1 PID Control ....................................................................................................... 8-43
8.2.2 ON/OFF Control (1 point of hysteresis / 2 points of hysteresis) ....................... 8-44
8.2.3 Heating/cooling Control .................................................................................... 8-46
8.2.4 PD Control (Stable Control in Which a Setpoint is not Exceeded) ................... 8-51
8.3 Setting PID Control Mode (ALG) .................................................................................... 8-52
8.4 Switching PID ................................................................................................................. 8-54
Contents