Mitsubishi FX3U Series Operation Manual

(ii)
Safety Precautions
(Read these precautions before using.)
2. INSTALLATION PRECAUTIONS
3. STARTUP AND MAINTENANCE PRECAUTIONS
Reference
• Make sure to cut off all phases of the power supply externally before starting the installation or
wiring work.
Failure to do so may cause electric shock.
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Reference
• Fit the extension cables, peripheral device connecting cables, input/output cables and battery
connecting cable securely to the designated connectors.
Contact failures may cause malfunctions.
• Make sure to attach the terminal cover offered as an accessory to the product before turning on
the power or starting the operation after installation or wiring work.
Failure to do so may cause electric shock.
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Reference
• Do not touch any terminal while the PLC's power is on.
Doing so may cause electrical shock or malfunctions.
• Before cleaning or retightening terminals, externally cut off all phases of the power supply.
Failure to do so may expose you to shock hazard.
• Before modifying the program under operation or performing operation for forcible output, running
or stopping, carefully read the manual, and sufficiently ensure the safety.
An operation error may damage the machine or cause accidents.
• To test Zero-return, JOG operation and Positioning data, throughly read this manual, ensure the
safe system operation
An operation error may damage the machine or cause accidents.
The response, such as the JOG operation, may be slow according to the running state of the
personal computer at the time of the test operation. In the test operation, the PLC performance can
be slower due to the busy state of personal computer.
- End all other applications running except FX Configurator-FP.
- At destination specification (refer to chapter 6), set the transmission speed at 38.4kbps or
higher.
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Reference
• Do not disassemble or modify the PLC.
Doing so may cause failures, malfunctions or fire.
For repair, contact your local Mitsubishi Electric distributor.
• Before connecting or disconnecting any extension cable, turn off power.
Failure to do so may cause unit failure or malfunctions.
• Before attaching or detaching the following devices, turn off power.
Failure to do so may cause device failure or malfunctions.
- Peripheral devices, expansion boards and special adapters
- I/O extension blocks/units and terminal blocks
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Mitsubishi FX3U Series Specifications

General

Brand	Mitsubishi
Model	FX3U Series
Category	Controller
Language	English