Safety Monitor VAS-2A-K12-S1 Pepperl+Fuchs 184766
Safety Monitor VAS-2A-K12-S1 Pepperl+Fuchs 184766

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VAS-2A-K12-S1 184766 Pepperl+Fuchs Safety Monitor

Manufacturer

Pepperl+Fuchs

Country

Germany

Name

VAS-2A-K12-S1

Part number

184766

Type

Safety Monitor

Description

  • Two dependent or independent open circuits
  • Fulfills technical safety requirements for Category 4 according to EN 954-1, EN 61508, SIL 3 and Performance Level e (PLe)
  • Logic configuration by means of drag & drop with diagrammatical display on the PC
  • Extended logic functions

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On request

Price: On request

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Specifications VAS-2A-K12-S1 184766

When used in accordance with requirements, the AS-Interface safety monitor makes it possible to operate sensor-controlled personal protection equipment and other safety components up to and including Category 4 in accordance with EN 954-1. If additional sensors of lower categories are connected, the maximum category that can be achieved for the safety path in question is determined by these sensors. For example, laser scanners can be classified to a maximum of Type 3 in accordance with EN 61496-3. If laser scanners are included in the AS-Interface safety circuit, the maximum safety category that can be achieved for the path in question is Category 3. Any safety light curtain of Type 4 connected to the same safety monitor remains unaffected by this. Category 4 is still possible for the safety light curtain. The safety monitor is also responsible for the compulsory EMERGENCY OFF function of all non-manually controlled machines (Stop Category 0 or 1), dynamic monitoring of the restart function and the protection control function.

Features VAS-2A-K12-S1 184766

Product Description
Safety Monitor, 2 integrated safe outputs
General specifications
AS-Interface specificationV2.1
Switch-on delay< 10 s
Response delay< 50 ms
Functional safety related parameters
Safety Integrity Level (SIL)SIL 3
Performance level (PL)PL e
MTTFd389 a
B10d2 E+5
Indicators/operating means
LED greenOff: contacts of the safety output (OSSD) open constantly lit: contacts of the safety output (OSSD) closed flashing: delay time running for Stop Category 1
LED yellowoff: - constantly lit: startup/restart lock active flashing: external test required
LED redOff: contacts of the safety output (OSSD) closed constantly lit: contacts of the safety output (OSSD) open flashing: error
LED POWERfrom: no power supply green, continuous illuminated: AS-Interface power supply available
LED AS-ifrom: normal operation red, continuous illuminated: communication error
Electrical specifications
Rated operating voltage24 V DC ± 15 % Residual ripple &le, 15 % 26.5 ... 31.6 V from AS-Interface
Rated operating current&le, 200 mA &le, 45 mA from AS-Interface
Surge protectionovervoltage category III for rated operating voltage 300 V DC acc. to VDE 0110 Part 1
Interface
Interface typeRS 232, serial
Transfer rate9600 baud, no parity, 1 start bit, 1 stop bit, 8 data bits
Input
Number/Type2 opto-coupling inputs (high-active) Start and protection control (EDM), input currents about 10 mA at 24 V DC
Output
Safety output2 x 2 potential-free NO contacts, max. contact loading: 1 A DC-13 at 24 V DC, 3 A AC-15 at 230 V AC
Output typeSignal output: PNP transistor output, 200 mA, short-circuit and reverse-polarity-proof
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EUEN 62026-2:2013 EN 61000-6-2:2006, EN 61000-6-4:2007
Low voltage
Directive 2006/95/ECEN 60947-5-1:2005
Machinery Directive
Directive 2006/42/ECEN 954-1:1996, EN 61496:2005, EN 60204-1:2006
Standard conformity
Degree of protectionEN 60529:2000
Electrical safetyEN 50178:1998
AS-InterfaceEN 62026-2:2013
Functional safetyISO 13849-1:2008 (up to category 4/PL e), IEC 61508:2000/IEC 62061:2005 (up to SIL3)
StandardsNFPA 79:2002
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Storage temperature-30 ... 70 °C (-22 ... 158 °F)
Mechanical specifications
Degree of protectionIP20 (only for use in electrical operating rooms / switch cabinet suitable with minimum protection type IP54)
Connectionscrew terminals
Material
HousingPolyamide PA 66 , black
Mass450 g
MountingDIN rail mounting