Euchner AS-i Safety Output Relay with four standard inputs Uživatelský manuál Strana 11

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AS-i Safety Output Relay with four standard inputs
Product Description
Subject to reasonable modifications due to technical advances Id.-No.: 103573 Issue date - 28.5.2009 EUCHNER GmbH + Co. KG
11
Kohlhammerstraße 16 • D-70771 Leinfelden-Echterdingen Tel. +49/711/75 97-0 • Fax. +49/711/753316
4. Product Description
This chapter is intended to inform the reader about the special characteristics of
the AS-i Safety Output Relay with four standard inputs. It describes the design
and the functionality of the devices.
4.1 AS-i Safety at Work
AS-i Safety at Work combines safe and non-safe data on a bus system. The clas-
sification AS-i Safety at Work identifies the safe data transfer that enables the in-
tegration of safety procedures in an AS-i network.
The components of AS-i Safety at Work conform to EN 50295 and are compatible
with all other AS-i components. Therefore, existing AS-i applications can easily
be extended with safety-relevant functions.
AS-i Safety at Work always requires a Safety Monitor (as a stand-alone device or
integrated into a Gateway), that evaluates the safe signals on the bus, and a safe
AS-Interface bus connection, that enables the transfer of safe signals from safe-
ty-relevant components (AS-i SaW input).
Additionally, decentralized safe AS-I SaW outputs can be added. Controlled by
the Safety Monitor these outputs can be used to safely switch off safe actuators.
Several Safety Monitors and safe input and output slaves can be used on an
AS-i system. At the same time, the Safety Monitors can be parameterized and,
thus, be checked through AS-i and the configuration software.
In order to satisfy the requirements of these safety categories, all peripheral com-
ponents, for instance the Safety Monitors, all safe bus connections, and all con-
nected sensors must satisfy these standards.
4.1.1 Special characteristics of the AS-i Safety Output Relay
Two redundant, force-guided relays
Two parallel, galvanically isolated contact sets
4 standard inputs
External sensors supplied from AS-i
Programming jack
Operating mode selector switch
Warning!
This chapter must be read before installation and operation of the device in conjunction
with other safety components on protected machinery.
Information!
By utilizing AS-i Safety at Work safety requirements up to category 4 according to
EN 954-1 and additionally performance level "e" according to EN 13 849 as well as SIL
3 according to EN 62 061 can be satisfied.
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