6-4
<Toc> <Ind>
<6. Module Access >
IM 34M6H28-01E
1st Edition : Feb.01,1999-00
6.3
Access from the CPU Module
The method for accessing from the CPU module is explained in this section. See the
sample programs in Sections 7 to 9 for more details.
6.3.1
Access Using Ladder Sequence
When using the ladder sequence, use the following instructions to access from the CPU
module. For details on each instruction, see “Sequence CPU Instruction Manual”
(IM34M6P12-03E).
Using the following instructions, the reading and writing of the I/O data registers can be
performed.
• Special Module Read command (READ command)
READ
SL
n1
D
k
F060301-1.EPS
SL : Slot number of the module (3 digits)
n1 : First data position number to read
D : First device number in which to write the data read
k : Number of words transmitted
• Special Module Write command (WRITE command)
WRITE
S
SL
n2
k
F060301-2.EPS
S : First device number for write data
SL : Slot number of the module (3 digits)
n2 : First data position number to write
k : Number of words transmitted
• Special Module High-speed Read command (HRD command)
HRD
SL
n1
D
k
F060301-3.EPS
SL : Slot number of the module (3 digits)
n1 : First data position number to read
D : First device number in which to write the data read
k : Number of words transmitted
• Special Module High-speed Write command (HWR command)
HWR
S
SL
n2
k
F060301-4.EPS
S : First device number for write data
SL : Slot number of the module (3 digits)
n2 : First data position number to write
k : Number of words transmitted
Содержание FA-M3 Vitesse
Страница 2: ...Blank Page...
Страница 28: ...Blank Page...
Страница 40: ...Blank Page...
Страница 94: ...Blank Page...
Страница 116: ...Blank Page...
Страница 118: ...Blank Page...