Glossary
SIPART PS2 with PROFIBUS communication
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Operating Instructions, 09/2007, A5E00127926-07
NEMA 4
An enclosure standard of the National Electrical Manufacturers Association. The NEMA 4
compliant devices are suitable for use in indoor and outdoor applications. Protection is
provided against dust particles, rain as well as spray and splash water.
NEMA 4x
The same protection like NEMA 4. Additional protection of the enclosure from corrosion.
Parameterization
During parameterization, individual parameter settings are specifically changed to adjust the
positioner as per the actuator or other requirements. Parameterization is carried out after the
complete commissioning of the positioner.
Piezoelectric effect
Name of a physical phenomenon. Due to mechanical compression loads on a crystal, an
electric potential develops on specific crystal surfaces. In a reverse case, applying an electric
field to specific crystal surfaces leads to crystal deformation.
Potentially explosive gaseous atmosphere
Mixture of air, combustible gases, vapors or mist.
Process device manager
PDM is a Siemens software package for project planning, parameterization, commissioning
and maintenance of network configuration and field devices. Part of SIMATIC Step7. Used
for the configuration and diagnostics of SIPART PS2.
PROFIBUS
PROFIBUS stands for process fieldbus. PROFIBUS is a manufacturer-independent standard
to network the field devices (e.g. PLCs, actuators, final controlling elements and sensors).
PROFIBUS is compatible with protocols such as DP (decentralized peripherals), FMS
(fieldbus message specification) and PA (process automation).
PROFIBUS PA
PA is an abbreviation of process automation. PROFIBUS PA is used in process engineering.
This fieldbus is used to control the measuring devices using a process control system. This
version of PROFIBUS is suitable for hazardous areas of zones 0 and 1. Only a weak current
flows through an intrinsically safe circuit in the bus cables, and hence sparks are not
generated even in case of a fault.
PA enhances PROFIBUS DP with an intrinsically safe transmission technique compliant with
the international standard IEC 61158-2.
Содержание SIPART PS2 PA 6DR55 Series
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