Appendix; Modbus Measured Quantities With Function Codes 0X03 And 0X04; Average Value Quantities - Siemens SENTRON 7KM Product Manual

Appendix

A.1

Modbus measured quantities with function codes 0x03 and 0x04

Depending on the device slot (MOD 1 or MOD 2), measured values can be read out of the
following register addresses.
Abbr. in the "Access" column
R
W
RW
Offset (MOD1)
58001
Offset (MOD2)
58123
Design and structure for MOD1 and MOD2
Byte
0 ... 3
4 ... 7
8 ... 11
A.2

Average value quantities

The measured quantities listed below can be read out in two stages via Modbus function
code 0x14 "Read File Record".
• Stage 1 (File Number 1), preset to 10 s
• Stage 2 (File Number 2), preset to 15 min
Application with 7KM PAC3220 measuring device
File
(FC 0x14)
1
1
1
Equipment Manual, 05/2020, L1V30408520AG-03
Number of registers
6
Number of registers
6
Name
IN
I5
I6
Offset address Address
FC 0x03
FC 0x04
89 30089
91 30091
93 30093
Abbreviation
Read; read access
Write; write access
Read Write; read and write access
Name
Module MOD_1
Name
Module MOD_2
Format
Float
Float
Float
Length Name
2 I4_MOD1
2 I5_MOD1
2 I6_MOD1
A
Format
struct
Format
struct
Unit
A
A
A
Format Access
float R
float R
float R
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