Mitsubishi MELSEC-A AJ71PT3 User Manual page 31

3. SPECIFICATIONS
(3) Transmission data for batch refresh (addresses 10 to 41)
(a) Output to output remote I/O stations.
(b) Buffer memory assignment is as follows:
I
Master module
I
I
Remote 1/0 station
I
Station 2 Station 1
Y7 I Y6 I Y51 Y4 I Y31 Y2 I Y1 I YO I
Station 4 Station 3
Station 6 tenon
Y7 I Y6 I Y51 Y4 Y31 Y21 Y' I YOI
Station 62 Station 61
I
[ j Y 7
Y6 Y5 Y4 Y3\Y2IY'IYOI
Station 64 Station 63
I
-1Y7 Y6 Y5 Y4 Y31 Y2 Y' YO
I
Address b15
'0
"
1 2
40
4'
to
b8 b7
to bO
Station 1
Station 2
Station 63
Station 64
•
(c) Batch refresh transmission data is made up of 8 bits per
remote I/O station as shown below.
1: ON
0: OFF
e .
n depends on the remote 1/0 station number.
bO to b7 for odd-numbered stations 1,3 63
b8 to b15 for even-numbered stations 2, 4 64
(4) Remote I/O station card data (addresses 70 to 77)
(a) Stores the card data of the I/O units used as remote I/O
stations.
(b) There are three types of card data which are expressed in two
bits.
00: Indicates that there is no remote I/O station or the station
could not make initial communication.
01: Indicates an input remote I/O station.
10: Indicates an output remote I/O station.
(c) Data is made up as indicated below:
(d) Remote I/O station card data is processed only once when Y18
is switched on.
II
b2 bl
b1S b14 b13 b12 bll bl0 b9
.
Station 8 Station 7
Station 6
Station 5 Station 4
Station 3 Station 2 Station 1
Station 16 Station 15 Station 14 Station 13 Station 12 Station 11 Station 10 Station 9
Stetlon
21 Station 20 Station 19 Station 18 Station 17
rstation
56 Station 55 Station 54 Station 5
I
Station 64
Station 63
Station 62!Station 61
I
Station 60
I
Station
591
Station
581
Station
571
Add'e.
70 •
71
76
77
(5) Accumulative faulty station detection (addresses 90 to 93)
(a) Sets 1 to the bit corresponding to the faulty remote I/O station.
(b) The corresponding bit is not reset to 0 if the faulty station is
restored. Addresses 90 to 93 indicate accumulative faulty
stations indicated in the faulty station detection area (addres-
ses 100 to 103).
(c) Reset to 0 when Y18 is switched on.
(d) The data make-up is as indicated below:
.
." ."
• n
.
"
.,
.
.
"
ea ee
"'
. .
ss
~
ea
"'
.,
so
Station 16 Station 15 Station 14 Station 13 Station 12 Station 11 Station 10 Station 9 Station 8 Station 7 Station 6 Station 5 Station 4 Station 3 Station 2 Station 1
Station 32 Station 31 Station 30 Station 29 Station 28 Station 27 Station 26 Station 25 Station 24 Station 23 Station 22 Station 21 Station 20 Station 19 Station 18 Station 17
Station 48 Station 47 Station 46 Station 45 Station 44 Station 43 Station 42 Station 41 Station 40 Station 39 Station 38 Station 37 Station 36 Station 35 Station 34 Station 33
Station 54 Station 53 Station 62 Station 61 Station 60 Station 59 Station 58 Station 57 Station
5&
Station 55 Station 54 Station 53 Station 52 Station 51 Station 50 Station 49
90
91
92
93
Add,es
1: Error
0: Normal
3-11