GE VersaPoint IC220PBI002 User Manual page 140

Profibus-dp niu
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8
Abort/Error Fragment:
Byte 1
Byte 2
...
Byte n
Byte 1 - Service in abort/error fragment
7
Request/
response
Bit 7
Bits 6 to 5
Bits 4 to 0
Communication can be reset using 60
communication are set to their initial status.
When a service is complete, this should be acknowledged (clear) using service 00
(the other bytes of the Virtual C1 module are then "don't cares"). A handshake is
implemented, which indicates to the Profibus DP/V1 NIU that the result has been
received by the master. The Virtual C1 module can then receive the next service.
8-20
VersaPoint™ I/O System Profibus-DP NIU User's Manual – August 2005
Service
Error code, if required
Error code, if required
6
5
4
1
1
Request/response
0 = Request
1 = Response
Fragment type
11 = Abort/error fragment
Reserved
so that all buffers involved in the
hex
3
2
1
Reserved
0
GFK-1911B

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