9.2.3 Function code 100 (=0x64), read 32-bit parameter
Example 1:
Reading of parameter
Fixed Frequency 2 481 in dataset 0 of frequency inverter with address 1.
Request: Master frequency inverter
:
Par.No.
Response: Frequency inverter Master
Field:
The sent hexadecimal value is 0x000003E8 = 1000. Parameter
Fixed Frequency 2 481 has two deci-
mal places. Thus, Fixed Frequency 2 = 10.00 Hz.
Example 2:
Reading of unknown parameter 1600 (0x0640) in dataset 2 of frequency inverter with address 1.
Request: Master frequency inverter
Field:
Error response: Frequency inverter Master
Field:
The exception condition code is the hexadecimal value 0x04 = ERROR SLAVE DEVICE.
10/13
ACU
Modbus/TCP 49