Emotron VFX 2.0 Instruction Manual page 52

3.3.8 Read Input Registers
Example
Reading modbus register 31002, the output speed, with corresponding starting
address 03E9h. The result is that the motor is stopped (zero speed).
If you wish to read register 31003, output torque, at the same time, just increase
the number of registers from 01 to 02 in the request message. The response
message will then have a byte count of 04 and also contain the data information
(2 bytes) of register 31003.
Request message
Field name
Function
Start address HI
Start address LO
Number of Registers HI
Number of Registers LO
Response message
Field name
Function
Byte count
Data HI first register
Data LO first register
Emotron AB 01-3698-01r4
Hex value
04
03
E9
00
01
Hex value
04
02
00
00
Industrial Ethernet networks
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