Bender LINETRAXX RCM410R-1 - 5 Modbus Settings; Overview; Read and Write Accesses; Data Types

20 RCM410R-x_D00403_01_M_XXEN/09.2020
Modbus settings
5 Modbus settings
5.1 Overview
Description of the Modbus registers for RCM41x devices. The following Modbus function codes
are supported:
• Holding register for reading out values
(Read Holding Register; function code 0x03)
• Register for device programming
(Write Multiple Registers; function code 0x10)
For a complete Modbus protocol specification, visit http://www.modbus.org.
5.1.1 Read and write accesses
RO READ ONLY (read access only)
RW READ/WRITE (read and write access)
WO WRITE ONLY (write access only)
5.1.2 Data types
Float IEEE754 32-bit (single precision oating point number)
Int16 Signed 16-bit integer
Int32 Signed 32-bit integer
Uint16 Unsigned 16-bit integer
Uint32 Unsigned 32-bit integer
String UTF8 ASCII character string
5.1.3 Register areas
Range Start address End address
Info 0 999
Measured values 1000 1999
Alarm status 2000 2999
Range 3000 3999
Test status 4000 4999
Range Start address End address
CT status 5000 5999
Modbus RTU parameters 32000 32099
Parameters 32100 32199
Device error codes 58000 58999
Control commands 60000 60099
Status LED