1
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
module
• A1SJ71AT23BQ type MELSECNET/B local station data link
module
(1) The following shows the application, applicable cable, and
mounting position of the local module.
*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
module conversion adapter
(2) After unpacking, make sure that the following products are
included.
Table 1.1 Application, applicable cable, and mounting position
Model name
Application
Applicable cable
Mounting position
A1SJ71AP23Q
For local
station
Optical fiber cable
I/O slot of extension
base unit *
1
A1SJ71AR23Q
Coaxial cable
A1SJ71AT23BQ
Shielded twisted pair cable
Table 1.2 Products
Model name
Product name
Quantity
A1SJ71AP23Q
A1SJ71AP23Q type MELSECNET local station data link module
1
A1SJ71AR23Q
A1SJ71AR23Q type MELSECNET local station data link module
1
A1SJ71AT23BQ
A1SJ71AT23BQ type MELSECNET/B local station data link
module
1
Terminating resistor (110 , 1/2W)
1
