Mitsubishi MELSEC-Q QD77MS, Руководство пользователя

Страница: 121 / 976

4 - 20
Chapter 4 Installation, Wiring and Maintenance of the Product
4.5 Maintenance
4.5.1 Precautions for maintenance
The precautions for servicing the QD77MS are given below. Refer to this section as
well as Section 4.1.3 "Handling precautions" when carrying out the work.
DANGER
Completely turn off the externally supplied power used in the system before clearing or
tightening the connector screws.
Not doing so could result in electric shocks.
CAUTION
Never try to disassemble or modify the modules.
It may cause product failure, operation failure, injury or fires.
Completely turn off the externally supplied power used in the system before installation or
removing the module.
Not doing so could result in electric shock, damage to the module or operation failure.
4.5.2 Disposal instructions
When you discard QD77MS, servo amplifier, a battery (primary battery) and other
option articles, please follow the law of each country (area).
CAUTION
This product is not designed or manufactured to be used in equipment or systems in situations
that can affect or endanger human life.
When considering this product for operation in special applications such as machinery or
systems used in passenger transportation, medical, aerospace, atomic power, electric power,
or submarine repeating applications, please contact your nearest Mitsubishi sales
representative.
Although this product was manufactured under conditions of strict quality control, you are
strongly advised to install safety devices to forestall serious accidents when it is used in facilities
where a breakdown in the product is likely to cause a serious accident.