23-5
PPC Manual Revision 1
Chapter 23: D Registers (Holding Registers)
Classification of D Registers
Register No. Area and data categories Description
D2001 to D2100
Process monitoring
Process data
D2101 to D2200 Current SP group and PID group
D2501 to D2700
Loop-1 operation parameter
SP and alarm setpoint setting
D2701 to D2800 SP-related setting
D2801 to D2900 Alarm function setting
D2901 to D3000 PV-related setting
D3001 to D3500 PID setting
D3501 to D3600
Control action-related setting
D3601 to D3800
Loop-2 operation parameter
SP and alarm setpoint setting
D3801 to D3900 SP-related setting
D3901 to D4000 Alarm function setting
D4001 to D4100 PV-related setting
D4101 to D4600
PID setting
D4601 to D4700
Control action-related setting
D4701 to D4800
P parameter P parameter
D4801 to D5000
10-segment linearizer setting parameter
10-segment linearizer setting
D5001 to D5100
Setup parameter
Control function setting
D5101 to D5300 Input setting
D5301 to D5400 Output setting
D5501 to D5700
Communication setting
D5701 to D5800
Key action setting / Display function setting / SELECT display setting
D5801 to D5900
D5901 to D6200 DI function setting
D6301 to D6400 I/O display
D6401 to D6500 System setting
D7601 to D7700 Terminal status register Input / Output terminal status register
Note 1: Data in the process values, operation parameters, and setup parameters is stored in the format (data excluding
Parameters” and “Lists of Setup Parameters”
The OFF status of data is indicated by “0” and the ON status is indicated by “1.”
D registers D2001 to D2100 are read-only.
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