1
1. Overview
This manual explains the specifications and part names of the A1SJ72QLP25,
A1SJ72QLR25 and A1SJ72QBR15 model MELSECNET/10 network modules
(abbreviated as Network Modules) which are used to construct remote I/O
systems on MELSEC-QnA series MELSECNET/10 network systems.
(1) The use, cable used and installation position of the Network Modules are
indicated on the following chart.
Cable used
Application
Optical
fiber cable
Coaxial
cable
Position
A1SJ72QLP25
-
A1SJ72QLR25
A1SJ72QBR15
For remote I/O station
of MELSECNET/10
-
Main base CPU
slot
(2) After unpacking the Network Modules, confirm that any of the following
products is enclosed.
Model Description
Quantity
A1SJ72QLP25
Model A1SJ72QLP25 MELSECNET/10 network module
(optical loop type)
1
A1SJ72QLR25
Model A1SJ72QLR25 MELSECNET/10 network module
(coaxial loop type)
1
Model A1SJ72QBR15 MELSECNET/10 network module
(coaxial bus type)
1
A1SJ72QBR15
F-type connector (A6RCON-F)
1
(3) The coaxial bus-type network system requires terminal resistors
(A6RCON-R75: 75 ) at both terminal stations of the network. The user
should arrange for terminal resistors, since the A1SJ72QBR15 does not
come with terminal resistors.
Содержание MELSECNET/10 A1SJ72QLP25
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