Burkert Type 8717 - Manual (Page 70)

70
Starting up the Modbus
8.3. Modbus register and communication objects
8.3.1. Modbus register lists
Up to firmware A.00.99 only Modbus register list 0 is supported.
Started with firmware A.01.00 several register lists are supported for communication with the device. The default
list is 0. The register’s data description can be found in the specific documentation.
The selection of the used register list is made in the MassFlowCommunicator at the menu item „ Views → HART /
Modbus → COM settings” under „Modbus used register list“.
8.3.2. holding register
These 16-bit values can be read and changed by the master.
Valid commands
code name Broadcast
0x03 Read Holding Register No
0x06 Write Single Register No
0x16 Write Multiple Register No
Valid addresses
see below
holding register of register list 0 (default)
register
address in
mfc number of
registers Designation / Description r/w format
0001 1 Reset device
At a value of 1, the device is reset
Clearing the value is needless. W UINT16
0002 1 Reset Totalizator
At a value of 1 the value of the current totalizator is deleted.
Clearing the value is needless. W UINT16
0003 1 Set-point (in units per thousand)
Set-point value of gas flow rate / set-point value in per mill for
the active gas
min. value 0, max. value 1000 R/W UINT16
0004 1 Active gas
Active Gas / calibration of this gas is used for control.
Value Gas
0
Gas 1
1 Gas 2
R/W UINT16
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MFC Family