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3 SPECIFICATIONS
3 - 34
(b)
Reading of data by the FROM command in a sequence program
The special register is designated using the FROM command by the
address.
The designated address is 2400
(Reading of data)
Sequence
program
Program example
The following shows a program where a value in the special register
address 2400
signal (X0B) is ON.
To read data from the special register to the programmable controller
CPU, use the multitask execution start signal (X0B) as an interlock.
Read
Command
X0B
Sequence
(Reading of data)
Program
(1-word units)
to 247F
H
QD51(-R24)
Special Register
b15
2400
H
2401
H
FROM
2402
H
2403
H
2404
H
to
247D
H
247E
H
247F
H
is read into D0 when the multitask execution start
H
Interlock that enables or disables FROM execution.
QD51(-R24)
Expansion Register
FROM
2400
H
2401
H
2402
H
2403
H
to
247C
H
247D
H
247E
H
247F
H
MELSEC-Q
, in 1-word units.
H
to
b0
ED9000
ED9001
ED9002
ED9003
ED9004
to
ED9125
ED9126
ED9127
FROM H0 H2400 D0 K1
ED9000
ED9001
ED9002
ED9003
to
ED9124
ED9125
ED9126
ED9127
3 - 34
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