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FINS Commands and Responses for DeviceNet Units Appendix C
Response Block
End Codes
Parameter Details
[Operation status, Units status 1, Unit status 2, Master function status 1, Mas-
ter function status 2, Slave function status 1, Slave function status 2]
(response)
• Operation Status
Fixed at 01 hex.
• Units status 1, Unit status 2, Master function status 1, Master function sta-
tus 2, Slave function status 1, Slave function status 2
The same value as the status in the allocated CIO Area words is returned.
ECHOBACK TEST (0801)
Performs an echo back test (communications test between nodes) between
specified nodes.
Command Block
Response Block
End Codes
Parameter Details
[Test Data] (Command, Response)
End code (hex) Contents
0000 Normal end
1001 Command length exceeds maximum command length.
2606 Service cannot be executed.
End code (hex) Contents
0000 Normal end
1001 Command length exceeds maximum command length.
1002 The command length is insufficient for the smallest command.
There is no test data.
Command
code
End code
Operation
status
Unit
status 1
Unit
status 2
Master
function
status 1
Master
function
status 2
Slave
function
status 1
Slave
function
status 2
Command
code
Test data
538 bytes
max.
Command
code
End code Test data
538 bytes
max.