System Integration; Overview Of Device Description Files; Current Version Data For The Device; Operating Tools - Endress+Hauser Dosimag Modbus RS485 Operating Instructions Manual

Dosimag Modbus RS485
Endress+Hauser
9

System integration

9.1

Overview of device description files

9.1.1

Current version data for the device

Firmware version
Release date of firmware version
For an overview of the different firmware versions for the device →  58
9.1.2

Operating tools

The suitable device description file for the individual operating tools is listed in the table
below, along with information on where the file can be acquired.
Operating tool
FieldCare
DeviceCare
9.2

Modbus RS485 information

9.2.1

Function codes

Function codes are used to define which read or write action is carried out via the Modbus
protocol. The measuring device supports the following function codes:
Code Name
03 Read holding
register
04 Read input
register
03.00.zz • On the title page of the Operating instructions
• On transmitter nameplate
• Firmware version
Diagnostics menu → Device information submenu
→ Firmware version parameter
05.2015 ---
Sources for obtaining device descriptions
• www.endress.com → Download Area
• CD–ROM (contact Endress+Hauser)
• DVD (contact Endress+Hauser)
• www.endress.com → Download Area
• CD–ROM (contact Endress+Hauser)
• DVD (contact Endress+Hauser)
Description
Master reads one or more Modbus
registers from the device.
A maximum of 125 consecutive
registers can be read with 1
telegram: 1 register = 2 bytes

The measuring device does
not make a distinction
between function codes 03
and 04; these codes therefore
yield the same result.
Master reads one or more Modbus
registers from the device.
A maximum of 125 consecutive
registers can be read with 1
telegram: 1 register = 2 bytes

The measuring device does
not make a distinction
between function codes 03
and 04; these codes therefore
yield the same result.
System integration
Application
Read device parameters with read
and write access
Example:
Read volume flow
Read device parameters with read
access
Example:
Read totalizer value
33