Appendix Cmodbus ® Register Lists; Abb Transmitter Register Map; Table 20: Abb Transmitter Register Map - ABB 266 MODBUS User Manual

Appendix C MODBUS
All registers in this document are referenced to base one. The MODBUS
This means that the number of the mapped register is one higher than the number that is sent in a MODBUS
Function code 4 is meant to access the process parameters, which possibly could be polled in a low cycle time (> 100 ms).
Therefore the data of the parameters is held in an internal buffer, which has a low access time. Function code 3 should be used to
access parameters that are non-cyclic or with a high cycle time (> seconds).
By reading or writing 32 bit or 16 bit registers, 4 or 2 byte are transmitted. If a parameter has a data type which uses fewer bytes
than that, the data is transmitted in the lower data bytes of the MODBUS
to zero.
C.1

ABB transmitter register map

This register map is an expanded map from the ABB 267 MODBUS
Register Address
Data
Type
32 bit 16 bit
Pack
1 – 8 5001 – 5016
ASCII
5017 – 5018
9 U32
5019 – 5020
10 U32
5021 – 5022
11 U32
5023 – 5024
12 U32
5025 – 5026
13 U32
5027 – 5028
14 F
5029 – 5030
15 F
5031 – 5032
16 F
5033 – 5034
17 F
5035 – 5036
18 F
5037 – 5038
19 F
5039 – 5040
20 F
401 – 402
21 F
403 – 404
22 F
86 | 266 MODBUS® multivariable transmitter User manual 2105216 Rev. AB
®
register lists

Table 20: ABB transmitter register map

Object description
Transducer ID / Serial number 16 ASCII characters string.
Ex. "T090100001" (See 4.3.1.1, Set MODBUS
Date Factory Characterized seconds since 1970 Jan 1st
Communication Board Hardware
example value 0x00010203 represents 1.2.3
bits 23-16 = Major Revision (compatibility change)
bits 15-8 = Minor Revision (functionality or operation)
bits 7-0 = Sub-minor Revision (bug fixes)
Sensor Board Hardware
base part number 3 MSB
version number 1LSB
see register 10 for more information
Communication Board firmware
base part number 3 MSB
version number 1LSB
see register 10 for more information
Sensor Board firmware
base part number 3 MSB
version number 1LSB
see register 10 for more information
DP Upper Range Limit (Set by Measurement Sensor URL)
DP Lower Range Limit (Set by Measurement Sensor LRL)
SP Upper Range Limit (Set by Measurement Sensor URL)
SP Lower Range Limit (Set by Measurement Sensor LRL)
Transducer cell Temperature Upper Range Limit (URL)
Transducer cell Temperature Lower Range Limit (LRL)
Second since last Restart
Normal Operation Polling registers
Differential Pressure (Damping, Calibration and Units applied ) floating point, 401
is high word, 402 is low word
Static Pressure (Damping, Calibration and Units applied ) floating point, 403 is high
word, 404 is low word
Appendix C MODBUS® register lists
®
message frame for read and write access is base zero.
®
message frame. The data bytes that are not used are set
®
transmitter.
®
device address, page 38)
®
message frame.
Read/ Added
Write Ext.
√
RO
√
RO
√
RO
√
RO
√
RO
√
RO
√
RO
√
RO
√
RO
√
RO
√
RO
√
RO
√
RO
RO
RO