Siemens SED2 Manuel de service Page 30

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SED2 Operation & Maintenance Manual
22 Siemens Building Technologies, Inc.
Chapter 5 — Commissioning
:$51,1*
Only authorized personnel trained in the setup, installation, commissioning, and
operation of the SED2 may work on the product and plant.
SED2 drives operate at high voltages. In some components, operation of electrical
equipment involves using dangerous voltages.
In cases where faults in the control equipment could cause significant equipment
damage or severe physical injury (such as potentially dangerous short circuits), use
external precautions to ensure and to enforce safe operation (such as independent
limit switches and mechanical interlocks).
Emergency stop facilities in accordance with EN 60204, IEC 204 (VDE 0113) must
remain functional in all operating modes of the control equipment. Resetting the
emergency stop facility must not result in an uncontrolled or undefined restart. Do not
use the SED2 drive as an emergency stop mechanism (per EN 60204, section
9.2.5.4).
The equipment incorporates internal motor overload protection in accordance with
UL508C, Section 42. See Motor l2t Temperature Reaction parameter P0610; 1
2
T is
ON by default. Motor overload protection can also be provided with an external PTC
temperature sensor (disabled by default via Motor Temperature Sensor parameter
P0601). For reliable motor overload protection, the motor parameters must be
configured accurately.
Certain parameter settings can cause the SED2 to restart automatically after a fau
lt or
a power failure (provided the fault is eliminated/acknowledged or the supply voltage is
restored).
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