www.a-ts.cn A-TS Technology
FT50
7
1.2 Safety Instructions
When working with FT50 series frequency converter and related systems, the
Warning
,
Caution
,
Notice
and
Prompt
listed in this section are usually involved.
The special
Warning
,
Caution
,
Notice
and
Prompt
are suitable for special operations. They
are placed at the beginning of the related chapter, and repeated or supplemented where
necessary in the chapter.
Please read these
Warning
,
Caution
,
Notice
and
Prompt
carefully. They provide you with
guidelines for the protection of personal safety and help to extend the service life of the FT50
series frequency converter and the equipment connected to it.
Proper transport, storage, installation, assembly, commissioning, operation and maintenance
are required to ensure that the products operate safely and without any problems. The
permissible ambient conditions must be complied with. The information in the relevant
documentation must be observed.
-
The earth point. The voltage reference of the earth point can reach the
same as the ground voltage. Usually, this point is used to ground the motor.
WARNING
This equipment carries dangerous voltage, and it controls potentially
dangerous rotating parts. If you do not follow the Warning regulations, or do
not operate in accordance with the requirements of this manual, it may cause
death, serious personal injury or major property damage.
Only qualified professionals are allowed to operate this equipment
, and
before using the equipment, be familiar with all the safety instructions and
regulations on installation, operation and maintenance in this manual.
Pay attention to the risk of electric shock
. Even if the power supply has
been cut off, there is still dangerous voltage on the DC circuit capacitor of the
frequency converter. Therefore,
it is only allowed to open the device 10
minutes later after the power supply is turned off
.
Even when the frequency converter is not working, the following terminals may
carry dangerous voltage:
- Power supply terminal R, S, T
- Motor connection terminal U, V, W
- Depends on the frame size, te, -, BR
CAUTION
Prevent children and the public from touching or approaching this device.
This equipment can only be used for the purpose specified by the
manufacturer. Unauthorized modification or use parts and accessories not sold
or recommended by the manufacturer of this equipment may cause fire,
electric shock and other injuries.