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OVERVIEW
1.3 Devices and Instructions Convenient for Programming
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1.3 Devices and Instructions Convenient for Programming
The CPU module has devices and instructions convenient for program creation.
The main devices and instructions are outlined below.
(1) Flexible device designation
CPU modules allow devices to be specified flexibly.
(a) Word device bits are handled as contacts/coils
By specifying the bit of the word device, each bit of the word device can be
handled as a contact/coil.
(b) Input need not be pulsed by use of differential contact
An input need not be pulsed by use of a differential contact(
/
).
Diagram 1.8 Designation of word device bit
Diagram 1.9 Use of differential contact
D0.5
SET
Y100
X100
SET
D0.5
Word device bit designation (Turns ON
(1) Bit 5 (b5) of D0.)
Word device bit designation (Turns ON/OFF
depending on 1/0 of Bit 5 (b5) in D0.)
X100 X102
Y100
M0
X100
Y100
Y100
X102
Y100
Differential contact
ON at leading
edge of X100
M0
PLS
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