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92 •
Programmable Field Bus Controller 750-833
Diagnostics
3.9.5 Device Status
The device status includes the required overhead 7 byte and transmits internal
status information as well as information relating to the internal bus,
PROFIBUS DP and the PFC-RTS to the master or the higher ranking controls.
Byte
15
16
17
18
19
20
21
Information
0
0
0
0
0
1
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
q
q
n
n
n
n
x
x
x
x
x
x
0
0
0
0
0
0
Description
1
1
Header byte
(7 byte status information
incl. header)
0
0
Status type
(manufacturer specific device status)
0
0
Slot number 0
0
0
Status differentiation
(none)
n
n
Status message
q – Status source
'00'
Internal status
'01'
Internal bus status
'10'
PROFIBUS DP status
'11'
PFC-RTS status
n – Status number
x
x
Status argument
0
0
Reserved
WAGO-I/O-SYSTEM 750
Bus System
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