Mitsubishi Electric MELSEC-KOJIU Instruction Manual page 82

J
5 . EXPLANATION OF PROGRAM
0 1 0 1 1 0 0 0 1
,
1 0 1 1 1 - 0
1 0
(1) When 12-bit contents starting from Y20 are transferred to 08
.
.
. . .
Y2B 2A 29 28 27 26 25 24 23 22 21 20
20481024 512 256 128 64 32 16 8 4 2
1 1 1
+
8
+
2
+
1 = 1419
1 1 1
1024
+
256+128
(2) When 8-bit contents from
Y30 are transferred to 024
. .
. . . .
Y37' 36 35 34 33 32 31 30
128 64 32 16 8 4 2 1
= 186
1 1 1 1
1
128
+
3 2 + 1 6 + 8
+
2
When K1419 for
Y20.
or K186 for
Y30. is
entered to the specified D by using
MOV
instruc-
tained.
I
tion, the bit pattern in the D becomes as shown above and the standard pattern can be ob-
Y20 transfer command
"ON"
= IK14191 D9 HSET M66
1
I )
I t
1 )
Reset of checked result
Y30 transfer command M80
M81
I , I
t
l M O V l K10241 D l l l
1
t
I
M81
M82
- 1
-+
"12 bit from Y20" is specified
D9 is specified for destination of transfer.
Execution of transfer command
Entered bit pattern is checked against standard
pattern.
When result is acceptable, M66 turns on.
When
it
is not acceptable, M66 turns off.
Y30 transfer command
"ON"
"8 bit from Y30"
is
specified.
024 is specified for destination of transfer.
Execution of transfer command
Checking of entered bit pattern against stand-
ard bit pattern.
When result is acceptable, M82 turns on.
When
it
is not acceptable, M82 turns
off.
.
Fig. 5.4.1 1.2 Y
+
D Data Transfer Circuit.
74