12 Modbus RTU
Baud Rate: With this setting you set the baud rate for the data transfer.
Note: In the same Modbus network the baud rate must be the same for all
participants. Only use for Modbus RTU the baud rates listed under Option.
Factory setting: 9600
Options: 9600, 19200, 38400, 57600 or 115200
Register Sequence: With this setting you determine the register sequence
for the transmission of oating-point numbers. .
Note: With Modbus communication 32 Bit oating-point numbers are transmitted
in two registers of 16 Bit each. In order that sender and receiver understand
each other (that means both use the identical partitioning of the 32 Bit to the
two 16 Bit registers) it must be determined whether the high-order register
(MSR = Most Signicant Register) or the low-order register (LSR = Least
Signicant Register) is transmitted rst.
Factory setting: MSR rst
Options: LSR rst (low-order register is transmitted rst)
Edianness: Little Edian Byte Swapped
(Format 32 Bit Float [CD] [AB])
MSR rst (high-order register is transmitted rst)
Edianness: Big Endian
(Format 32 Bit Float [AB] [CD])
In the "Communication" submenu scroll to "BMS-Timeout" tab. Touch the "BMS-Timeout" eld.
BMS-Timeout: With this setting you determine the timeout for the timeout for
the data transfer. If the communication with the Modbus master fails longer
than the set time, warning W35 "BMS Timeout" is triggered.
Note: The BMS timeout is only evaluated if the signal source (Path: Menu>
Conguration> Control Settings > Source) is not set to "Analog".
Factory setting: 300 s
Setting range: 1 ... 300 s
Note: As of software version 5.3.x.x, the device is stopped when warning
W35 occurs.
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