Mitsubishi MELSEC-A AJ71PT3 User Manual page 35

3. SPECIFICATIONS
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~/MELSEC;4
(14) Accumulative input faulty station detection (address 598)
(a) Stores the 1/0 refresh states of the partial refresh type remote
1/0 stations. 1 indicates that the input data could not been read
within the given period of time.
(b) The corresponding bit is not reset to 0 ifthe input faulty station
is restored to normal, and has the accumulative result of the
faulty stations detected by input faulty station detection
(address 599).
(c) Reset to 0 when Y18 is switched on.
(d) The buffer memory stores the following data. The error data
locations for individual stations depend on the partial refresh
station setting.
b15 b14 b13 b12 bl1 bl0 b9 be b7 b6 b5 b4 b3 b2 bl bO
-I/O refresh state of station set to address 278
L.---I/O refresh state of station set to address 280
(15) Input faulty station detection (address 599)
(a) Stores the 1/0 refresh states of the partial refresh type remote
1/0 stations. 1 indicates that the input data could not been read
within the given period of time.
(b) The buffer memory stores the following data. The error data
locations for individual stations depend on the partial refresh
station setting.
•
b15 b14 b13 b12 bl1 b1Q b9 be b7 b6 b5 b4 b3 b2 bl bO
1: Error
0: Normal
110
refresh state of station set to address 250
L.-
110 refresh state of station set to address 252
~----
I/O refresh state of station set to address 254
I/O refresh state of station set to address 278
L.---I/O refresh state of station set to address 280
I
3-15 - - - - - - - - - - - - - - - - - -
IS (NAI66164-A