Teqwave H
System integration
Hauser
39
9
System integration
9.1
Overview of device description files
Current version data for the device
Firmware version
2.3.zz
• On the title page of the
Operating instructions
• On the nameplate
• On the local display: settings
• Via the "Teqwave Viewer"
operating tool: Help → Version
Release date of firmware version
02.2021
License key
• On final inspection report
(provided with the transmitter)
• On delivery note (included in the
delivery)
• If additional functions are
purchased subsequently: in the
service e-mail and on the CD
• Read via the "Teqwave Viewer"
operating tool: Help → Version.
For an overview of the different firmware versions for the device → 74.
9.2
Modbus TCP information
9.2.1
General settings for the Modbus interface
Data access
Modbus TCP (port 502)
Protocol
Modbus Applications Protocol Specification V1.1
9.2.2
Function codes
The function code determines which read or write actions the Modbus protocol performs.
The measuring device supports the following function codes:
Code
Name
Description
Application
0x04
Read Input Registers
Master reads one or more
Modbus registers from the
device.
Read process variables
with read access
Example: read
concentration A
0x10
Write Multiple Registers
Master writes a new value
to one or more Modbus
registers of the device
(requires start address
and number).
Write process variables
Example: write density
9.2.3
Register information
Register name
Access Data type
Register address Length Input/output
Concentration A
Read
IEEE754 32 bit
0x0000:0x0001
2
Floating point
number in IEEE754
format (big endian)
Concentration B
Read
IEEE754 32 bit
0x0002:0x0003
2
