Pepperl+Fuchs VAS-2A-K12-S1
AS-Interface Safety Monitor

Pepperl+Fuchs VAS-2A-K12-S1
  • 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
Item Number: VAS-2A-K12-S1
1479.78
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Total price: 1479.78
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  • Overview
  • Comments
LED AS-ifrom: normal operation
red, continuous illuminated: communication error
MountingDIN rail mounting
LED redOff: contacts of the safety output (OSSD) closed
constantly lit: contacts of the safety output (OSSD) open
flashing: error
Interface typeRS 232, serial
Degree of protectionEN 60529:2000
Surge protectionovervoltage category III
for rated operating voltage 300 V DC acc. to VDE 0110 Part 1
Mass450 g
Electrical safetyEN 50178:1998
LED yellowoff: -
constantly lit: startup/restart lock active
flashing: external test required
Rated operating voltage24 V DC В± 15 %
Residual ripple 15 %
26.5 ... 31.6 V from AS-Interface
Transfer rate9600 baud, no parity, 1 start bit, 1 stop bit, 8 data bits
LED POWERfrom: no power supply
green, continuous illuminated: AS-Interface power supply available
Safety Integrity Level (SIL)SIL 3
Storage temperature-30 ... 70 В°C (-22 ... 158 В°F)
AS-InterfaceEN 62026-2:2013
Degree of protectionIP20 (only for use in electrical operating rooms / switch cabinet suitable with minimum protection type IP54)
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
Switch-on delay< 10 s
MTTFd389 a
Performance level (PL)PL e
Connectionscrew terminals
Rated operating current 200 mA
45 mA from AS-Interface
StandardsNFPA 79:2002
B10d2 E+5
AS-Interface specificationV2.1
Functional safetyISO 13849-1:2008 (up to category 4/PL e), IEC 61508:2000/IEC 62061:2005 (up to SIL3)
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
Ambient temperature-20 ... 60 В°C (-4 ... 140 В°F)
Output typeSignal output:
PNP transistor output, 200 mA, short-circuit and reverse-polarity-proof
Response delay< 50 ms
Number/Type2 opto-coupling inputs (high-active) ""Start"" and ""protection control (EDM)"", input currents about 10 mA at 24 V DC

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