Contact Extension for Typ 4 devices FSEM

Sicherheitsintegritätslevel SIL 3 (IEC 62061) 
Performance Level PL e (ISO 13849-1)
Sicherheitskategorien Kat 4 (EN 954-1)

Function description

The safe expander module FSEM expands an existing circuit. As the output relays are monitored with the base unit feedback loop it is possible to reach the same safety level to the contact expander module. Base units can be all safety devices with a monitored

feedback loop. Fiessler Elektronik offers the safety light curtains series ULVTULCT and BLVTBLCT as well as the programmable safety controller FMSC. It is possible to realise application up to cat. 4 ref. EN 954-1. The achievable category is depending on the base unit and the electrical connection.

Operating mode

Input circuitSingle channelDual channel
Base unit:
Safety relay
-
Base unit:
Safety light curtains series ULVT and BLVT
-
Base unit:
Programmable safety controller FPSC
 
Feedback loopSingle channelDual channel
EDM and Ex.x are inputs on the base unit. They are evaluating the feedback loop signal. In case of FPSC we recommend to use the Software block valve monitoring.

block diagram

Technical data

Supply voltage:UB DC 24V
Switch-on delay:≤ 20 ms
Switch-off delay:≤ 15 ms
Measures (without plugs):H: 85,5 mm B: 35 mm T: 58 mm
Operating temperature:0° C ... 60°C

Downloads

ProductDocumentation
FSEM - contact extension ULVT, ULCT, BLVT, BLCT and FPSCAppliance descritionPDF-------
SISTEMA BibliothekFiessler Sistema LibrarySISTEMA Bibliothek

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