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4.
LINKING TO THE AnACPU (WITH DEDICATED INSTRUCTIONS)
AND THE AJ71 PT32-S3
MELSEC-A
4.
LINKING TO THE AnACPU (WITH DEDICATED INSTRUCTIONS) AND THE
AJ71 PT32-S3
This section gives the linking procedures when dedicated instructions to the
MELSECNET/MINI-S3 (master station is AJ71PT3243) of the AnACPU are
used and the communication of control I/O signals with the A68ADC is set for
automatic refresh.
Use the SW4GP-GPPAEE system disk for automatic refresh setting.
IMPORTANT
If dedicated instructions are used, the communication
of control I/O signals
with the A64RDC must be set for automatic refresh.
Section
5
gives details on how to link an AnACPU to an AJ71 PT32-S3.
4.1
System Configuration
The following diagram shows when the A64RDC is used as a remote terminal
module of the MELSECNET/MINI-S3 with the AJ71 PT32-S3 master module
linked to the A2ACPU, A2ACPU-S1 or A3ACPU.
4.1.1
Overall configuration
I
CPU module
1
=
Main
base
unit
i
I
I
Extension cable
ACOGB, AC128,
Extension base unit
4
4
Twisted-wire-pair cable
Master
module
Power
supply
module
Model
AJ71
PT32-S3
A66PC
Model General-puve
MELSECNEThlINLS3 data link
stabilized power
supply
r - - -
_ _ _ _ - - - _ - - _ _ _ _ - _ -
- l
MELSECNET/MINI
remote I/O
I
. . . . . . . . . . . . . . . . . . . . . .
A2CCPU
I
remote 1 / 0 module
4 - 1
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