User manual

Magelis C - 71
7. Description of dialog-table words
C
 Number of last acknowledged alarm
(1)
When the user acknowledges an alarm (by pressing the key on the
display unit), the display unit sends the acknowledgment number to the
equipment, which generated the alarm. This number is valid during one
cycle of the dialog table, then it returns to -1. This alarm number is stored
in a 16-bit word. This number is the significance of the bit associated with
the alarm in its alarm table (see table below).
 Report
This word is used bit by bit. Each bit has a precise meaning (see the
paragraph on the corresponding word for a detailed description of the
function associated with each bit).
XBT -> PLC Number of last acknowledged alarm
Bit no. F E D C B A 9 8
16 15 14 13 12 11 10 9
32 31 30 29 28 27 26 25
... ... ... ... ... ... ... ...
256 255 254 253 252 251 250 249
Bit no. 7 6 5 4 3 2 1 0
87654321
24 23 22 21 20 19 18 17
... ... ... ... ... ... ... ...
248 247 246 245 244 243 242 241
XBT -> PLC
Report
Bit 15 0
Bit no. Bit name
0 CONFIDENTIAL_MODE
1 reserved (0)
2 END_OF_ENTRY_ON_ENTER
3 END_OF_ENTRY_ON_ESC
4 END_OF_ENTRY_ON_TIMEOUT
XBT ref. Note
N200 (1) No alarm management