Table of Contents
Advertisement
Communication protocols
Modbus > Modbus Slave - Function codes
6.4.8.7
FC 08 - Loop Back Diagnostic Test
Request message
ADDR
Reply message
ADDR
diagnostic_code
test_data
88
This function serves to check the communications connection. It does not effect the user
program. The received message is independently returned to the master by the driver.
FUNC
FUNC
Only diagnostic_code = 0000 is supported by the driver.
Any 16bit value.
diagnostic_code
(High, Low)
diagnostic_code
(High, Low)
test_data
test_data
HB130 | CP | 341-1CH01 | en | 18-40
VIPA System 300S
CRC
CRC
Advertisement
Table of Contents
