Setup And Procedures Before Starting The Operation; Procedures Before Starting The Operation - Mitsubishi Electric Melsec QJ71LP21 Reference Manual

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SETUP AND PROCEDURES BEFORE STARTING THE OPERATION

4 SETUP AND PROCEDURES BEFORE STARTING THE OPERATION
This chapter explains the procedures, settings, connections and testing that are
required to start the data link operation.

4.1 Procedures Before Starting the Operation

The following flowchart shows the procedure for the data link operation:
Module switch setting
• Mode setting using the switch on the network module
Module installation
• Network module installation
• CPU module halting (unintentional output prevention)
• Input power supply voltage checking
Power on
• Turn on the power and check that the POWER LED of the
power supply module and the RUN LED of the network
module are turned on.
Standalone check of the network module
• Self-loopback test
• Internal self-loopback test
• Hardware test
Parameter settings
• Network type, start I/O No., network No., total stations
• Send range assignment for each station, pairing setting, redundant
settings, and other parameters
• Writing parameters to the CPU module.
Connect cables
Offline tests from GX Developer
• Station-to-station test
• Forward loop/reverse loop test
Network diagnostics from GX Developer
• Loop test (optical loop test only)
• Setup confirmation test
• Communication test, and other tests
Programming and debugging
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S ta rt
End
MELSEC-Q
· · · · · · Section 4.2
· · · · · · Section 4.3
· · · · · · Section 4.4
· · · · · · Section 4.5
· · · · · · Chapter 5
· · · · · · Section 4.6
· · · · · · Section 4.7
· · · · · · Section 4.8
· · · · · · Chapter 6
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