Mitsubishi A2USCPU(S1), User Manual

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APP - 45
APPENDICES
Table App2.2 Special Register List (Continue)
Number Name Description Details
D9196
Faulty station
detection Bit pattern of the faulty
station
• Bit which corresponds to faulty I/O module or remote
terminal module is set (1).
(Bit which corresponds to a faulty station is set when
normal communication cannot be restored after
executing the number of retries set at D9174.)
• If automatic online return is enabled, bit which
corresponds to a faulty station is reset (0) when the
station is restored to normal.
• Data configuration
—
Usable with
A2C and A52G.
D9197
D9198
D9199
POINTS
(1) Special registers are cleared when the PC is switched off or the RESET
switch is set to LATCH CLEAR or RESET. Data remains unchanged when
the RUN/STOP key switch is set to STOP.
(2) The above special registers marked *1 above are latched and their data will
remain unchanged after normal status is restored. For this reason, use one
of the following methods to clear the registers.
(a) Method by user program
Insert the circuit shown at right into
the program and turn on the clear
execution command contact to clear
the contents of register.
(b) Method by peripheral equipment
Set the register to "0" by changing the present value by the test function
of peripheral equipment or set to "0" by forced reset. For the operation
procedure, refer to the Instruction Manual for peripheral equipment.
(c) By moving the RESET key switch at the CPU front to the RESET
position, the special register is set to "0".
(3) Data is written to special registers marked *2 above in the sequence
program.
(4) Data is written to special registers marked *3 above in test mode of the
peripheral equipment.
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
Stasion
16
Address
D9197
D9198
D9199
D9196
1: Error
0: Normal
Stasion
32
Stasion
48
Stasion
64
Stasion
15
Stasion
31
Stasion
47
Stasion
63
Stasion
14
Stasion
30
Stasion
46
Stasion
62
Stasion
13
Stasion
29
Stasion
45
Stasion
61
Stasion
12
Stasion
28
Stasion
44
Stasion
60
Stasion
11
Stasion
27
Stasion
43
Stasion
59
Stasion
10
Stasion
26
Stasion
42
Stasion
58
Stasion
9
Stasion
25
Stasion
41
Stasion
57
Stasion
8
Stasion
24
Stasion
40
Stasion
56
Stasion
7
Stasion
23
Stasion
39
Stasion
55
Stasion
6
Stasion
22
Stasion
38
Stasion
54
Stasion
5
Stasion
21
Stasion
37
Stasion
53
Stasion
4
Stasion
20
Stasion
36
Stasion
52
Stasion
3
Stasion
19
Stasion
35
Stasion
51
Stasion
2
Stasion
18
Stasion
34
Stasion
50
Stasion
1
Stasion
17
Stasion
33
Stasion
49
Clear execution
command
RST D9005
Special function register to be cleared