Mitsubishi Electric MELSEC iQ-R Series Migration Manual page 10

[Startup and Maintenance Precautions]
●
Shut off the external power supply (all phases) used in the system before mounting or removing
the module. Failure to do so may cause the module to fail or malfunction.
●
Tighten the screws within the specified torque range. Undertightening can cause drop of the
component or wire, short circuit, or malfunction. Overtightening can damage the screw and/or
module, resulting in drop, short circuit, or malfunction.
●
After the first use of the product, do not mount/remove the module to/from the base unit, and
the terminal block to/from the module, and do not insert/remove the extended SRAM cassette
to/from the CPU module more than 50 times (IEC 61131-2 compliant) respectively. Exceeding
the limit of 50 times may cause malfunction.
●
After the first use of the product, do not insert/remove the SD memory card to/from the CPU
module more than 500 times. Exceeding the limit may cause malfunction.
●
Do not touch the metal terminals on the back side of the SD memory card. Doing so may cause
malfunction or failure.
●
Do not touch the integrated circuits on the circuit board of an extended SRAM cassette. Doing
so may cause malfunction or failure.
●
Do not drop or apply shock to the battery to be installed in the module. Doing so may damage
the battery, causing the battery fluid to leak inside the battery. If the battery is dropped or any
shock is applied to it, dispose of it without using.
●
Startup and maintenance of a control panel must be performed by qualified maintenance
personnel with knowledge of protection against electric shock. Lock the control panel so that
only qualified maintenance personnel can operate it.
●
Before handling the module, touch a conducting object such as a grounded metal to discharge
the static electricity from the human body. Failure to do so may cause the module to fail or
malfunction.
●
Before testing the operation, set a low speed value for the speed limit parameter so that the
operation can be stopped immediately upon occurrence of a hazardous condition.
●
Confirm and adjust the program and each parameter before operation. Unpredictable
movements may occur depending on the machine.
●
When using the absolute position system function, on starting up, and when the module or
absolute position motor has been replaced, always perform a home position return.
●
Before starting the operation, confirm the brake function.
●
Do not perform a megger test (insulation resistance measurement) during inspection.
●
After maintenance and inspections are completed, confirm that the position detection of the
absolute position detection function is correct.
●
Lock the control panel and prevent access to those who are not certified to handle or install
electric equipment.
CAUTION
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