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3.3
Well-known Instructions
3.3.1
Sequence instructions
As with the programmable controller, there are the following sequence instructions, all
o f
which are
of the instantaneous progressing type (1 msec or less).
Contact instructions such as LD/LDI, AND/ANI, and
OR/ORI
are used to drive coil instructions such
as SET/RST and CJ/CJN (see page 126).
Series contact connection
(NO-contact)
Parallel contact connection
(NO-contact)
m]
AND BLOCK
1 1
/ I
Series connection of circuit block
\
LOAD INVERSE
Logical operation start
.
(NCcontact)
(1)
X0 toX6
Relevant elements
(general-purpose input)
AND INVERSE
Series contact connection
(NCcontact)
(2)
YO to Y6
(3)
Y440 to Y444
(general-purpose output)
(programmable controller)
Parallel contact connection
(NC-contact)
(5)
General aux. relays
M110to M127
OR BLOCK
Parallel connection of circuit block
NO
OPERATION
.
Instruction not accompanied by
Non-processing
a relevant element
mi
: :
; u t
holding instruction
RESET
Output holding reset
-i
Relevant elements:
YO to Y6
MlOO to M127
For others, see pages 34, 43.
-
An OR instruction is used as an addition and subtraction operation instruction as well as a parallel contact connection instruction
Example
1
ADR +1,000
ADR +2,000 Set value register
SVR stores +1 ,000 +2,000 = +3,000.
OR
i
Example
2
EXT
K654
When the digital switch DSW#654
= 100,
set value register SVR stores 100 -400 = -300.
OR
I
ADR
-400 (EXT K designated
by a DSW is regarded as a positive number.)
Example 3
EXT K70
EXT K654
OR
OR
t
W h e n B F M # l l a n d #10 = +500, DSW#654 = 100, and BFM#13 and #12 = 1000,
+500 + l o 0 = +600 and +600 -1000
=
-400.
Set value register stores -400.
EXT -71
The above examples show an addition of set values designated by 2 ADR or EXT instructions.
The following additions use
OR
instructions.
Page
134
gives details about the applicable versions of the
F 2 - 3 0 T P .
- 4 2 -
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