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SYSTEM CONFIGURATION
2.3 About Use of the QD64D2 on the MELSECNET/H Remote I/O Station
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1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
SPECIFICATIONS
4
PROCEDURES AND
SETTINGS BEFORE
OPERATION
5
FUNCTIONS
6
UTILITY PACKAGE (GX
Configurator-CT)
7
PROGRAMMING
8
TROUBLESHOOTING
2.3 About Use of the QD64D2 on the MELSECNET/H Remote I/O
Station
This section explains how to use the QD64D2 on the MELSECNET/H remote I/O station.
(1) Number of QD64D2 that can be installed when the remote I/O station is
used
Refer to Section 2.1 concerning the number of the QD64D2 that can be installed
when the remote I/O station is used.
(2) Limitations when using the remote I/O station
(a) The coincidence detection interrupt function cannot be used.
(b) When the QD64D2 is used on the MELSECNET/H remote I/O station, a delay will
occur due to the link scan time. Therefore, fully verify that there will be no problem
with controllability in the target system.
(Example) When processing is executed using the counter value input by a
sequence program, variations will occur due to a delay in the link scan time.