Yokogawa Data Acquisition with PID Control CX2000 - Manual (Page 2)

2
IM 04L31A01-02E
Contents
Introduction to Control Functions ................................................................................................................................... 4
Control Types ........................................................................................................................................................... 4
PID Control Function ................................................................................................................................................ 4
Control Suppression Function .................................................................................................................................. 5
Tracking Function ..................................................................................................................................................... 6
Control Alarm Function ............................................................................................................................................. 6
Wiring ............................................................................................................................................................................. 7
Overview of Operations ................................................................................................................................................. 8
Key Operation .......................................................................................................................................................... 8
Switching Operation Modes ..................................................................................................................................... 8
Switching Displays during Operation Mode .............................................................................................................. 8
Control Operation Display ........................................................................................................................................ 9
List of Control Setup Items ..................................................................................................................................... 10
Examples of Control Setup Operation ......................................................................................................................... 11
Control Setup Example 1: Single Loop Control ...................................................................................................... 11
Control Setup Example 2: Cascade Control ........................................................................................................... 15
Control Setup Example 3: Loop Control with PV Switching ................................................................................... 20
Control Setup Example 4: ON/OFF Control ........................................................................................................... 23
Setting the Display Items on the Control Group Display (Control Group Setting) .................................................. 26
Displaying the Trend of PV, SP, and OUT Values ........................................................................................................ 27
Switching the Operation Mode ..................................................................................................................................... 29
Run/Stop Operation ................................................................................................................................................ 29
Switching between Auto, Manual, and Cascade Control ........................................................................................ 29
Changing the Target Setpoint ................................................................................................................................. 30
Changing the Control Output .................................................................................................................................. 30
Switching between Remote and Local Modes ....................................................................................................... 31
Switching between Automatic and Manual for the Analog Retransmission Loop ................................................... 31
Changing the Analog Retransmission Output ........................................................................................................ 32
Switching between Automatic and Manual for the DIO Operation Monitoring ........................................................ 32
Changing the DO Output for the DIO Operation Monitoring ................................................................................... 32
Tuning Operation ......................................................................................................................................................... 33
Displaying the Tuning Display ................................................................................................................................ 33
Auto Tuning ............................................................................................................................................................ 33
Manual Tuning ........................................................................................................................................................ 34
Program Control Function (/PG1 and /PG2 Options) ................................................................................................... 35
Program Control Function Introduction .................................................................................................................. 35
Operation Mode during Program Control ............................................................................................................... 35
Operations on the Program Selection Display ....................................................................................................... 35
Operations on the Program Control Display ........................................................................................................... 36
Program Control Setup Operation .......................................................................................................................... 38
List of Parameters ........................................................................................................................................................ 44