YOKOGAWA UT150 - Installing the Controller; Controller Mounting Procedure

<Int> <Ind> <Rev>
TI 05C01E02-01E
Toc-2
1st Edition : Oct. 31, 2001-00
5. APPLIED OPERATIONS ............................................................................... 5-1
5.1 Changing Measured Input Type and Scale ............................................................ 5-1
5.2 Correcting Measured Input Value .......................................................................... 5-1
5.3 Reducing Input Variations ...................................................................................... 5-2
5.4 Setting Maximum and Minimum Values of Target Setpoint Range....................... 5-2
5.5 Setting Target Sepoint Ramp Rate (Rate-of-Change) ........................................... 5-3
5.6 Using Two Target Setpoints .................................................................................... 5-4
5.7 Retransmission of Measured Input Value in Current Signal ................................ 5-4
5.8 Switching RUN/ STOP ............................................................................................ 5-5
5.9 Using Timer Function (Turning on External Contact Outputs after the Set Time Elapses)....... 5-6
5.10 Setting Key Lock................................................................................................... 5-7
5.11 Selecting Priority of PV/SP Display at Power on (for UT130 Only)..................... 5-8
5.12 Performing Heating/Cooling Control ................................................................... 5-8
5.13 Communicating with PC or PLC .......................................................................... 5-9
6. DESCRIPTION OF EACH FUNCTION ........................................................... 6-1
6.1 ON/OFF Control ...................................................................................................... 6-1
6.1.1 ON/OFF Control and Hysteresis .............................................................. 6-1
6.1.2 ON/OFF Control Application Example ..................................................... 6-1
6.2 Proportional (P) Action........................................................................................... 6-2
6.2.1 Differences between ON/OFF Action and Proportional Action ................. 6-2
6.2.2 Proportional Band (P) Details .................................................................. 6-2
6.2.3 Tuning the Proportional Band................................................................... 6-3
6.3 Integral (I) Action .................................................................................................... 6-4
6.3.1 Integral Time (I) ....................................................................................... 6-4
6.3.2 Tuning the Integral Time........................................................................... 6-4
6.4 Derivative (D) Action............................................................................................... 6-5
6.4.1 Derivative Time (D) .................................................................................. 6-5
6.4.2 Tuning the Derivative Time ....................................................................... 6-5
6.5 Dynamic Auto Tune Control and PID Control ........................................................ 6-6
6.5.1 Dynamic Auto Tune Control ..................................................................... 6-6
6.5.2 Manually Tuning PID Constants ............................................................... 6-7
6.5.3 PID Auto-Tuning ...................................................................................... 6-7
6.6 Control Output ........................................................................................................ 6-8
6.6.1 Time Proportional PID Output (Relay Output / Voltage Pulse Output) ....... 6-8
6.6.2 Cycle Time .............................................................................................. 6-8
6.6.3 Continuous PID Output (4 to 20mA DC)................................................... 6-9
6.7 Overshoot Suppressing Function “SUPER” ....................................................... 6-10
6.7.1 “SUPER” Operating Principles ............................................................... 6-10
6.7.2 Effects of “SUPER” ................................................................................ 6-10