Responsibilities Of Users Of Pds(Sr); Safety Precautions - Danfoss VLT Safety Option MCB 150 Installation Manual

Installation Guide | VLT® Safety Option MCB 150/151
• Are qualified electrical engineers, or persons who have received training from qualified electrical engineers and are suitably
experienced to operatre devices, systems, plant, and machinery in accordance with the general standards and guidelines for safety
technology.
• Are familiar with the basic regulations concerning health and safety/accident prevention.
• Have read and understood the safety guidelines given in this manual and also the instructions given in the operating guide of the
drive.
• Have good knowledge of the generic and specialist standards applicable to the specific application.

2.5 Responsibilities of Users of PDS(SR)

Context:
In EN ISO 12100, risk assessment is defined as an overall process comprising a risk analysis and a risk evaluation.
Procedure
1. Carry out a hazard and risk analysis of the application according to EN ISO 12100.
2. Ensure that the qualified personnel has experience with working in ATEX areas according to Directive 99/92/EC (also known as the
ATEX Workplace Directive).
3. Identify safety functions required, and allocate SIL to each of the functions.
4. Identify other subsystems and validate the signals and commands from those subsystems.
5. Design appropriate safety-related control systems (hardware, software, parameterization, and more).

2.6 Safety Precautions

HIGH VOLTAGE
AC drives contain high voltage when connected to AC mains input , DC supply , or load sharing. Failure to perform installation ,
start-up, and maintenance by qualified personnel can result in death or serious injury.
Only qualified personnel must perform installation, start-up, and maintenance.
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UNINTENDED START
When the drive is connected to the AC mains, DC supply, or load sharing, the motor may start at any time, causing risk of death,
serious injury, and equipment, or property damage. The motor may start by activation of an external switch, a fieldbus
command, an input reference signal from the LCP or LOP, via remote operation using MCT 10 Set-up software, or after a cleared
fault condition.
Press [Off] on the LCP before programming parameters.
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Disconnect the drive from the mains whenever personal safety considerations make it necessary to avoid unintended
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motor start.
Check that the drive, motor, and any driven equipment is in operational readiness.
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