Mitsubishi Electric M80 Series Maintenance Manual page 14

(6) Usage
CAUTION
Install an external emergency stop circuit so that the operation can be stopped and the power turns OFF
immediately when unforeseen situation occurs. A contactor, etc., is required in addition to the shutoff func-
tion mounted in the controller.
Turn OFF the power immediately if any smoke, abnormal noise or odor is generated from the controller,
drive unit or motor.
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 in the case where electromag-
netic disturbances could adversely affect the electronic devices used near the drive unit.
Use the drive unit, motor and each regenerative resistor with the designated combination. Failure to ob-
serve this could result in fires or faults.
The combination of the motor and drive unit that can be used is determined. Be sure to check the models
of motor and 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 electromagnetic 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 termi-
nal.
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 be-
fore starting actual operation.
Use the power that are complied with the power specification conditions (input voltage, input frequency,
tolerable time for instantaneous power interruption) indicated in each specifications manual.
When making encoder cables, do not mistake connection. Failure to observe this could result in malfunc-
tion, runaway or fire.
Surge absorber to be selected varies depending on input power voltage.
Always keep the touchscreen surface clean. When it gets dirty, remove the dirt immediately. Do not perform
any operation on the dirty touchscreen.
Pay close attention to the sequence operation when carrying out forced data setting (forced output) in the
I/F diagnosis screen during machine operation.