3 - 40 3 - 40
MELSEC-Q
3 SPECIFICATIONS
(b) Reading data by the FROM command in a sequence program
With the FROM command, special relays are designated by addresses.
Designation addresses are 2500
H
to 2507
H
, in 1-word units.
Special Relay
b15 to b0
EM9000 to EM9015
EM9016 to EM9031
EM9032 to EM9047
EM9080 to EM9095
EM9112 to EM9127
2500
H
2501
H
2502
H
2506
H
2507
H
EM9048 to EM9063
EM9064 to EM9079
EM9096 to EM9111
2505
H
2504
H
2503
H
QD51(-R24)
FROM
(Reading of data)
Sequence
program
Program example
The following shows a program where a value in the special relay
address 2500
H
is read into D0 when the multitask execution start
signal (X0B) is ON.
To read data from the special relay to the programmable controller
CPU, use the multitask execution start signal (X0B) as an interlock.
Read
Command
X0B
FROM H0 H2500 D0 K1
Interlock that enables or disables FROM execution.
EM9000 to EM9015
EM9016 to EM9031
EM9112 to EM9127
EM9096 to EM9111
2500
H
2501
H
2507
H
2506
H
EM
9001
EM
9014
EM
9015
EM
9000
EM
9016
EM
9017
EM
9030
EM
9031
EM
9096
EM
9097
EM
9110
EM
9111
EM
9112
EM
9113
EM
9126
EM
9127
b15 to b0
FROM
(Reading of data)
Sequence
Program
(1-word units)
QD51(-R24)
Special Relay
to
to
to
to
to
to
Summary of Contents for QD51
Page 1: ......
Page 2: ......
Page 154: ...App 7 App 7 MELSEC Q APPENDIX MEMO ...
Page 159: ......
Page 160: ......