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16
9. Modbus register overview
9.1 Register block overview
The Modbus registers are grouped in the following register
blocks:
All addresses contain registers. Some are bit-interpreted while
others are 16-bit values, or part of 32-bit values. A data value of
65535 (0xFFFF) indicates "not available" when reading registers.
The value of 65535 (0xFFFF) does not imply a "disable" when
writing values.
Each register block will be specified in more detail in the following
sections.
Starting
address
Register block
Permissions
Description
00001
CIM configuration
R/W
Configuration of the CIM module.
00021
CIM status
R
Status registers for the CIM module.
00101
Pit control and configuration
W
Registers for control and configuration of wastewater pit.
00201
Pit status
R
Registers for status from wastewater pit.
00301
Pit data
R
Registers for measured values from wastewater pit.
00401
Pump 1
R
Registers containing pump 1 data and status.
00451
Pump 2
R
Registers containing pump 2 data and status.
00501
Pump 3
R
Registers containing pump 3 data and status.
00551
Pump 4
R
Registers containing pump 4 data and status.
00701
Alarm simulation
R/W
Features for simulation of alarms and warnings.
00751-00800
User registers
R/W
This area is for device labelling by the user.
