Mitsubishi Electric C70 Connection Manual page 12

CAUTION
Install an external emergency stop circuit so that the power will turn OFF followed by the immediate operation
stop. A contactor, etc., is required in addition to the shutoff function mounted in the controller.
Turn OFF the power immediately if any smoke, abnormal noise or odor is generated from the controller, servo
drive unit or servomotor.
Only a qualified technician may disassemble or repair this product.
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.