Mitsubishi Electric Melsec A Series - 4.10.2 Setting for MELSECNET Data Link

4.A2CCPU
-------------------- MELSEC·A
4.10.2 Setting for MELSECNETData Link
(1) Setting station
number
The station numbers are determined according to the routing of the
cable (coaxial
and/or fiber-optic cables).
Determine
the station numbers referring to the MELSECNET (II) Data
Link Reference Manual.
(2) Setting operation mode
This manual describes
the setting only for the self-loopback test mode
(link module independent test).
For other setting modes, refer to
the MELSECNET (II) Data Link Refer-
ence Manual.
(3) Setting link parameters
Link parameter setting is necessary only
for the A2CCPUP21/R21 which
is used as
the master station.
For MELSECNET functions, processing methods, device allocation,
refer
to the MELSECNET (II) Data Link Reference Manual.
IREMARKI
To operalelhe A2CCPUP21/R21 independenlly wilhoul connecling 10 Ihe MELSECNET link:
(1) Set the mode selection switch to "2" (offline).
If the link module is used without setting the mode to "offline," the "LINK PARAMETER
ERROR"
occurs. Sequence program operation can be continued correctly even If the link
parameter error occurs.
I
(2) ON/OFF slalus of link slalus Indicaling LEOs is nol known nIhe link cable (coaxial cable,
fiber-optic cable) is not connected to the link module.
To check whether the link module is correct or faulty, execute the self-Ioopback test as in II
Section 4.10.4.
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