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RS-485 INTERFACE
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Chapter
9
02 (0x0002) Return diagnostic register (not supported by the F701-P)
Request frame is returned as it is.
04 (0x0004) Force listen only mode
Slave is brought into receive-only mode.
All messages are ignored and no action and response are made, but each counter and event log are
processed.
However, only subfunction 1 is accepted, by which communication is initialized to restart, and the
receive-only mode is canceled.
10 (0x000A) Clear counters and diagnostic register
All counters and the diagnostic register are cleared.
11 (0x000B) Return bus message count
The total number of frames detected by slave is read.
The count is incremented when slave ID is consistent and at broadcast-time.
[Request]
Function
1
byte
0x08
Subfunction
2
byte
s
0x00, 0x02
Data
N×2
byte
s
Desired 16-bit data
[Response]
Echo of request
[Request]
Function
1
byte
0x08
Subfunction
2
byte
s
0x00, 0x04
Data
2
byte
s
0x00, 0x00
[Response]
None
[Request]
Function
1
byte
0x08
Subfunction
2
byte
s
0x00, 0x0A
Data
2
byte
s
0x00, 0x00
[Response]
Echo of request
[Request]
Function
1
byte
0x08
Subfunction
2
byte
s
0x00, 0x0B
Data
2
byte
s
0x00, 0x00
[Response]
Function
1
byte
0x08
Subfunction
2
byte
s
0x00, 0x0B
Data
2
byte
s
Message count
Summary of Contents for F701-P
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