Mitsubishi QJ71MB91 - 2.3 Precautions for System Configuration

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SYSTEM CONFIGURATION
2.3 Precautions for System Configuration
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OVERVIEW
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SYSTEM CONFIGURATION
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SPECIFICATIONS
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MODBUS(R) STANDARD FUNCTIONS
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FUNCTION
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PRE-OPERATIONAL PROCEDURES AND SETTINGS
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PARAMETER SETTING
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UTILITY PACKAGE (GX Configurator-MB)
2.3 Precautions for System Configuration
(1) For Use with Redundant CPU
(a) About dedicated instructions
Dedicated instructions cannot be used.
Instead of the MBRW instruction, use the automatic communication function.
( Section 9.2.1, Section 9.3.1)
The MBREQ instruction cannot be used.
The UINI instruction cannot be used.
(b) GX Configurator-MB
GX Configurator-MB cannot be used when accessing the redundant CPU via an
intelligent function module on an extension base unit from GX Developer.
Connect a personal computer with a communication path indicated below.
Figure 2.12 Communication paths available for GX Configurator-MB
Main base unit
Extension base unit
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Direct connection to the CPU
Connection through an intelligent function module on the main base unit
(Through Ethernet module, MELSECNET/H module, or CC-Link module)
(GX Configurator-MB cannot be used.)
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