EasyManuals Logo

Siemens WZU-485E-MOD User Manual

Siemens WZU-485E-MOD
10 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #4 background imageLoading...
Page #4 background image
WZU-485E-MOD Subject to change without prior notice 4
8. Modbus description
Unless otherwise indicated, all values are in binary format. 2-byte values (signed), and 4-byte values (unsigned), are used.
Note: The module only transmits absolute values of the meter’s parameters.
Data format of a complete meter readout
Register
Number
Data
Address
Value
Name Value
No. of
Bytes
Description
0x40002
1
Tf
Temperature hot side
2
0.01 °C
0x40003
2
Tr
Temperature cold side
2
0.01 °C
0x40004
3
dT
Temperature difference
2
0.01 K
0x40005
4
Q
Actual flow
4
0.001 m³/h
0x40007
6
P
Actual power
4
0.01 kW
0x40009
8
Ecold
Accumulated cold energy (eq. tariff register 1)
4
format and unit according to header
0x4000B
10
Time
Date and time
4
M-Bus type F
0x4000D
12
F
Info code F
2
Meter Error (see table 2)
0x4000E
13
Header
Module info
2
Units and formats (see table 3)
0x4000F
14
E
Accumulated energy (Standard register)
4
format and unit according to header
0x40011
16
V
Accumulated volume
4
format according to header m
3
0x40013
18
N
Serial number
4
0x40015
20
EM
Monthly value - Energy on set day
4
format and unit according to header
0x40017
22
VM
Monthly value - Volume on set day
4
format according to header m
3
0x40019
24
A1
Pulse input 1 accumulated (not used)
4
Not used
0x4001B
26
A2
Pulse input 2 accumulated (not used)
4
Not used
0x4001D
28
I1
Pulse value input 1 (not used)
4
Not used
0x4001F
30
I2
Pulse value input 2 (not used)
4
Not used
0x40021
32
N1
Serial number A1
4
0x40023
34
N2
Serial number A2
4
0x40025
36
Tariff register 1
4
format and unit according to header
0x40027
38
Tariff register 2
4
format and unit according to header
0x40029
40
Tariff register 3
4
format and unit according to header
Table1: Available Modbus registers
Data reading
The module only responds to data requests with function code 03 (read holding registers).
Meter values are available at data addresses 1 40.
Any data address from the range can be chosen as a starting point.
The module does not check the completeness of the variables it sends.
After receiving a data request, the module reads new data from the meter within 5 seconds.
After a data request with the broadcast address “0“, the module reads new data from the meter, but sends no message.
The module does not return exception responses to invalid data requests.

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Siemens WZU-485E-MOD and is the answer not in the manual?

Siemens WZU-485E-MOD Specifications

General IconGeneral
BrandSiemens
ModelWZU-485E-MOD
CategoryIndustrial Equipment
LanguageEnglish

Related product manuals