Mitsubishi MELSEC-A AJ71PT3 User Manual page 33

Table of Contents

Advertisement

3. SPECIFICATIONS
/MELSEC;4
(9) Receive data for batch refresh (addresses 110 to 141)
(a) Stores ON/OFF data input to the input remote I/O stations.
(b) Buffer memory assignment is as indicated below:
I
AJ71 PT32
I
I
Remote 1/0 station
I
Station 63
Station 64
Station 1
Station 2
bO
b8 b7
0
0
Station 2
Station 1
X7 X6 X5
x41 X3
X2
xtlxo
l
Station 4
I
Station 3
Station 6
Station 5
X7 X6 X5 X4 X3 X2
xi
i
xot
Station 62
Station 61
eX7 X6
X5 X4 X3 X2
xi
t
xot
Station 64
.&
Station 63
...
X5
x41 X3
X2
xi
I
xot
I
I
rX71X6
Address b15
II;) 466
111
112
140
141
(c) Batch refresh receive data is made up of 8 bits per remote I/O
station as shown below:
1: ON
0: OFF
*.
n depends on the remote I/O station number.
bO to b7 for odd-numbered stations 1,3
63
b8 to b15 for even-numbered stations 2, 4
·.. ·.. ·
· 64
(10) Line error retry counter (address 160)
(a) Stores the number of retry times after a line error has
occurred.
(b) Reset to 0 when communication is restored.
(c) Stores the value from address 1 (number of retries) when X7 is
switched on.
I
Station 2
Station 1
Station 4
Station 3
Station 6
Station 5
Station 62
Station 61
Station 64
Station 63
191
192
(11) Retry counter (addresses 161 to 192)
(a) Receives the number of retries made to the faulty remote I/O
station.
(b) Reset to 0 when communication is restored.
(c) Buffer memory assignment is as indicated below:
Address b15
to
b8 b7
to
bO
161
162
163
(d) The retry counter has 8 bit locations per remote I/O station as
shown below:
bn+7
bn+S
bn+S
bn+4
bn+3
bn+2
bn+l
bn+O
~
L
'l :
Faulty station
*:
n depends on the remote I/O station number.
bO to b7 for odd-numbered stations 1,3
63
b8 to b15 for even-numbered stations 2, 4
64
3-13
16 INA) 66164·A

Advertisement

Table of Contents
loading

Table of Contents