Mitsubishi Electric FX5-DP-M User Manual page 157

Slave status area (Alarm detection)
■Slave status area (Alarm detection) (Un\G26416 to Un\G26420)
This area stores alarm occurrence status of DP-Slaves. ( Page 32 Alarm acquisition function)
Address Name
Un\G26416 All stations' alarm
status
Un\G26417 to Un\G26420 Each station's
alarm status
Address b15 b14
Un\G26417 16 15
Un\G26418 32 31
Un\G26419 48 47
Un\G26420 64 63
The values in the table indicate which number of DP-Slave each bit represents.
Description
Stores the alarm detection status of all the DP-Slaves.
When an alarm has detected even on one DP-Slave in 'Each station's alarm status'
(Un\G26417 to Un\G26420), 1 is stored in 'All stations' alarm status' (Un\G26416).
• 0: No alarm detected
• 1: Alarm detected
When 1 is stored as 'All stations' alarm status' (Un\G26416), BF LED and DIA LED turn on.
The alarm detection status of each DP-Slave is stored by turning the appropriate bit on.
• 0: No alarm detected (including reserved stations, temporarily reserved stations, not-
configured stations, and alarm-unsupported stations)
• 1: Alarm detected in
b13 b12 b11 b10 b9
14 13 12 11 10
30 29 28 27 26
46 45 44 43 42
62 61 60 59 58
b8 b7 b6 b5 b4
9 8 7 6 5
25 24 23 22 21
41 40 39 38 37
57 56 55 54 53
Initial
value
0000H
0000H
b3 b2 b1 b0
4 3 2 1
20 19 18 17
36 35 34 33
52 51 50 49
APPX
Appendix 3 Buffer Memory
A
155