Mitsubishi Electric MELDAS C6 Maintenance Manual page 11

Do not alter.
Use a noise filter, etc. to reduce the effect of electromagnetic disturbances. Electromagnetic
disturbances could adversely affect the electronic devices used near the servo drive unit.
Use the servo drive unit, servomotor and each regenerative resistor with the designated
combination. Failure to observe this could result in fires or faults.
The combination of the servomotor and servo drive unit that can be used is determined. Be sure to
check the models of servomotor and servo drive unit before test operation.
The brakes (electromagnetic brakes) mounted in the servomotor are used for the purpose of
holding, and must not be used for normal braking. Also, do not run the motor with the motor brake
applied. Motor brake is used for the purpose of holding.
For the system running via a timing belt, install a brake on the machine side so that safety can be
ensured.
Be sure to confirm SERVO OFF (or READY OFF) when applying the magnetic brake. Also, be sure
to confirm SERVO ON prior to releasing the brake.
When using the DC OFF type electromagnetic brake, be sure to install a surge absorber on the
brake terminal.
Do not connect or disconnect the cannon plug while the electromagnetic brake's power is ON. The
cannon plug pins could be damaged by sparks.
After changing programs/parameters, or after maintenance/inspection, always carry out a test
operation before starting actual operation.
Use the power (input voltage, input frequency, tolerable instantaneous power failure time) that are
complied with the power specification conditions indicated in each Specifications manual.
When making detector cables, do not mistake connection. Failure to observe this could result in
malfunction, runaway or fire.
When using NC card, first power ON the NC card, and then the base I/O unit. If the base I/O unit is
powered ON first, current flows from the connection cable to the NC card, resulting in malfunction in
the PC or the cards installed in the PC.
CAUTION
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