Yokogawa Data Acquisition with PID Control CX2000 User Manual
Page 247
9-14
IM 04L31A01-17E
9.5
External Loop Setting > Parameter Address
Setting
Explanation
You can set the register address of the setup information that is required for monitoring
on the control group display, control overview display, and tuning display.
Note
To set various setup information by executing “Auto setting” on the External loop setting
(Parameter address setting) display, the serial interface and Modbus master settings must be
ready. Set the serial interface and the Modbus master function and save the settings by
pressing the [End] soft key on the basic setting menu. Then, return to the External loop setting
(Parameter address setting) display and execute “Auto setting.”
Selecting the Loop Number
Select the external communication loop number for setting the register address from
the following:
Ext1 to Ext16 (Ext1 to Ext4 on the CX1000)
Executing Auto Setting
• When the connecting model is UT Series
•
The register addresses (register numbers) of the following setup information
are set automatically according to the various information that was read
automatically on the External loop setting (Basic setting) display.
1.
PV: Process value
2.
SP: (Target) Setpoint
3.
OUT: Output
4.
Control mode
5.
Remote/Local
6.
Operation STOP/RUN
7.
Alarm status
8.
SP number
9.
PID number
10. Auto reading
•
The setup information can also be entered using the operation keys.
•
The register addresses are set automatically also by executing [Auto reading]
on the External loop setting (Basic setting) display.
• When the connecting model is “ETC”
Automatic setting is not possible. You can only enter the items of 1, 2, and 3
above using the operation keys.
Setting (Correcting) Register Addresses
• If the data is not set correctly using auto setting, you can set (correct) the register
address (register number) of each item using the operation keys.
• You can set the register address in the following range.
30001 to 39999, 40001 to 49999, 300001 to 365535, 400001 to 465535
• When the connecting model is “ETC,” you can set only the following three
parameters using the operation keys: PV, SP, and OUT.