6
Digitax ST Installation Guide
www.controltechniques.com
Issue: 2
The SAFE TORQUE OFF function has been approved
1
as meeting the requirements of
EN954-1 category 3 for the prevention of unexpected starting of the drive. It may be
used in a safety-related application. The system designer is responsible for ensuring
that the complete system is safe and designed correctly according to the relevant safety
standards.
1
Independent approval by BGIA is pending.
1.4
Environmental limits
Instructions regarding transport, storage, installation and use of the drive must be
complied with, including the specified environmental limits. Drives must not be
subjected to excessive physical force. Refer to the
Technical Data Guide
.
1.5
Compliance with regulations
The installer is responsible for complying with all relevant regulations, such as national
wiring regulations, accident prevention regulations and electromagnetic compatibility
(EMC) regulations. Particular attention must be given to the cross-sectional areas of
conductors, the selection of fuses or other protection, and protective ground (earth)
connections.
Within the European Union, all machinery in which this product is used must comply
with the following directives:
98/37/EC: Safety of machinery.
89/336/EEC: Electromagnetic Compatibility.
1.6
Motor
Ensure the motor is installed in accordance with the manufacturer’s recommendations.
Ensure the motor shaft is not exposed.
The values of the motor parameters set in the drive affect the protection of the motor.
The default values in the drive should not be relied upon.
It is essential that the correct value is entered in Pr
0.46
Motor rated current
. This affects
the thermal protection of the motor.
1.7
Adjusting parameters
Some parameters have a profound effect on the operation of the drive. They must not
be altered without careful consideration of the impact on the controlled system.
Measures must be taken to prevent unwanted changes due to error or tampering.
1.8
Electrical installation
1.8.1
Electric shock risk
The voltages present in the following locations can cause severe electric shock and may
be lethal:
•
AC supply cables and connections
•
DC bus, dynamic brake cables and connections
•
Output cables and connections
•
Many internal parts of the drive, and external option units
Unless otherwise indicated, control terminals are single insulated and must not be
touched.
1.8.2
Isolation device
The AC supply must be disconnected from the drive using an approved isolation device
before any cover is removed from the drive or before any servicing work is performed.