RMS-LOG Wireless / LAN Data Loggers
E-M-RMS-LOG-V1.4.docx
Instruction Manual
© 2018
ROTRONIC AG
Bassersdorf
Switzerland
Page 10 of 35
Description
Details
Protocol
MODBUS TCP
TCP Port
502
Connection timeout:
When TCP connection is open and for more than 30 seconds no communication is performed, the device
automatically closes the TCP connection. In case of a communication interruption, this prohibits that the socket
is could be blocked.
1.11.1
Function 04- Read Input Register
Device Data
Register
Parameter
Data type
30001
Serial number
Unsigned 32 Bit
30002
30003
Serial number oft he
sensors
Unsigned 32 Bit
30004
Float Values
Register
Parameter
Data type
31001
Value 1
Measurement value
sensor 1
Float 32 Bit
31002
31003
Value 2
Measurement value
sensor 2
Float 32 Bit
31004
Integer Values
The measurement values are only available in floating format.
1.11.2
Swap mode
The swap mode defines how a float32 value is represented in MODUBS data structure. The settings must be
done with the RMS-CONFIG software.
Factory settings:
WORD-Swap
Example: