
Reference Data
A-12
SIMATIC 505 PROFIBUS-FMS CP User Manual
Mapping of FMS Variables onto 505 Memory (continued)
The
FMS Status request function allows status information to be requested
from the communications partner on the specified FMS connection. The
following information is available in the response:
•
Logical status of the device (whether communication is possible)
•
Physical status of the device (device is operational, or maintenance is
required)
•
Local detail (vendor-specific information)
Figure
A-5 shows how an FMS Status response is mapped in SIMA
TIC 505
memory.
12345678910111213141516
Local
Detail [0]
Local Detail [1]
Local Detail [2]
Logical Status
Physical Status
Note:
*
represents bytes skipped for alignment purposes.
Length of Local Detail
FMS
Status Response
*
Figur
e A-5
Mapping
of FMS Status Response
T
able
A-3 provides information about the codes that the partner device can
supply as a response to an FMS Status request.
T
able A-3
FMS Status Response Codes
Logical Status Physical Status Local Detail
00H – Ready for communication 10H – Operational Vendor-specific
02H – Limited services 11H – Partly operational —
— 12H – Not operational —
— 13H – Maintenance required —
Mapping
of FMS
Status Response in
505 Memory
Comentarios a estos manuales