1. OVERVIEW
This manual describes the specifications and part names of the data link
module shown below used in the MELSECNET or MELSECNET/B data
link system (hereinafter referred to as a local module).
• A1SJ71AP23Q type MELSECNET local station data link module
• A1SJ71AR23Q type MELSECNET local station data link
• A1SJ71AT23BQ type MELSECNET/B local station data link
(1) The following shows the application, applicable cable, and
mounting position of the local module.
Table 1.1 Application, applicable cable, and mounting position
Model name
A1SJ71AP23Q
For local
A1SJ71AR23Q
station
A1SJ71AT23BQ
*1
A local module can be mounted to the following extension base unit.
• QA1S5 B type extension base unit
• QA1S6 B type extension base unit
• QA6 B type extension base unit + A1ADP-SP type A-A1S
(2) After unpacking, make sure that the following products are
included.
Model name
A1SJ71AP23Q
A1SJ71AP23Q type MELSECNET local station data link module
A1SJ71AR23Q
A1SJ71AR23Q type MELSECNET local station data link module
A1SJ71AT23BQ type MELSECNET/B local station data link
module
A1SJ71AT23BQ
Terminating resistor (110
module
module
Application
Optical fiber cable
Coaxial cable
Shielded twisted pair cable
module conversion adapter
Table 1.2 Products
Applicable cable
Product name
, 1/2W)
1
Mounting position
I/O slot of extension
1
base unit *
Quantity
1
1
1
1