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[Startup and Maintenance Precautions]
CAUTION
● When modifying data of a running Simple Motion board, configure an interlock in the program to
ensure that the entire system will always operate safely. For other forms of control (such as program
modification, parameter change, forced output, or operating status change) of a running Simple
Motion board, read the relevant manuals carefully and ensure that the operation is safe before
proceeding. Improper operation may damage machines or cause accidents. Determine corrective
actions to be taken in case of a communication failure.
● Especially, when a remote Simple Motion board is controlled, immediate action cannot be taken if a
problem occurs in the Simple Motion board due to a communication failure. To prevent this, configure
an interlock in the program, and determine corrective actions to be taken in case of a communication
failure.
● Do not disassemble or modify the Simple Motion board. Doing so may cause failure, malfunction,
injury, or a fire.
● Use any radio communication device such as a cellular phone or PHS (Personal Handyphone
System) more than 25 cm away in all directions from the Simple Motion board. Failure to do so may
cause malfunction.
● Shut off the external power supply (all phases) used in the system before mounting or removing the
Simple Motion board. Failure to do so may cause the Simple Motion board to fail or malfunction.
● Tighten the board-fixing 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
Simple Motion board, resulting in drop, short circuit, or malfunction. For the tightening torque of the
board-fixing screws, refer to the manual supplied with the personal computer.
● After the first use of the product, do not mount/remove the Simple Motion board to/from the personal
computer more than 50 times. Exceeding the limit of 50 times may cause malfunction.
● Maintenance must be performed by qualified maintenance personnel with knowledge.
● Before handling the Simple Motion board, 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 Simple Motion
board to fail or malfunction.
● The Simple Motion board is included in an antistatic envelope. When storing or transporting it, be sure
to put it in the antistatic envelope. Failure to do so may cause a failure or malfunction.
● The microprocessor built in the Simple Motion board will reach a high temperature during operation.
Do not touch it directly when replacing the Simple Motion board. Doing so may result in a burn.
● 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 Simple Motion board
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.
● Extreme adjustments and changes may lead to unstable operation, so never make them.
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