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

4 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 procedures that are required to perform the data link
operation:
Module switch settings
• Set the operation conditions of the network module
• Install the network module.
• Stop the CPU (to prevent unintentional outputs)
• Check the input power supply voltage.
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
Remote master station's parameter settings
• Network type, start I/O No., network No., total number of
(slave) stations
• Common parameters, redundant settings, and other
settings
• Write the parameters to the CPU, and perform other operations.
Remote I/O station parameter settings
• System settings, RAS settings, I/O allocations
• Intelligent parameters, others
• Writing parameters to remote I/O module
Connect cables
Offline tests from GX Developer
• 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
(STATION No., MODE)
End
· · · · · · Section 4.2 to Section 4.5
· · · · · · Section 4.6
· · · · · · Section 4.7
· · · · · · Section 5.1
· · · · · · Section 5.2 (Set as needed)
· · · · · · Section 4.8
· · · · · · Section 4.9
· · · · · · Section 4.10
· · · · · · Chapter 6
MELSEC-Q
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