YOKOGAWA FA-M3V e-RT3 Plus, Hardware Manual

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Appx. A1-1
IM 34M06C11-01E
Appendix A1 System-wide Restrictions
on Module Installation
Restrictions on module installation include a limitation on the number of modules that
can be installed in the system as a whole, in addition to a limitation on the number of
respective CPU and I/O modules that can be installed. This appendix explains how to
check whether or not your system complies with system-wide restrictions on module
installation.
Appendix A1.1 Checking Compliance with
Restrictions on Module
Installation
List the CPU and I/O modules you will use and follow the procedure shown in Appendix
Figure A1.1 to check whether or not your system complies with each restriction. System
operation is not guaranteed unless your system satisfies all of these restrictions.
Sequence CPU module
BASIC CPU module
Restrictions due to the
number of slots into which
modules are installed
Restrictions due to the data
area within the CPU module
Restrictions due to installation
location, number of modules
and combination
Which type of CPU module is it?
Restrictions due to the number
of I/O points the sequence
CPU module has
Restrictions due to the work
area within the BASIC CPU
module
Restrictions due to the current
consumption of a module
Refer to Section A2.9, “Module Current Consumption Tables.”
Refer to Appendix A1.4,
“Restrictions due to the Type of CPU
Module.”
Refer to Appendix A1.3, “Restrictions due to the Size of Data Area.”
Refer to Appendix A1.2, “Restrictions due to the Number of Slots.”
Refer to Section A1.2, “Restrictions on Module Installation.”
Start checking
End checking
FAAP0101.VSD
Appendix Figure A1.1 Flow of Procedure for Checking Restrictions on Module Installation