Serviceline Industrial Sensors
Serviceline Explosion Protection

AS-Interface safety module VAA-2E-KE1-S

  • 2 safe inputs for mechanical contacts such as EMERGENCY-STOP switch
  • Housing with removable terminals
  • Communication monitoring
  • Power supply of inputs from the module
  • Function display for bus and inputs
  • Cross-circuit detection
  • Addressing jack

Please note: All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH, also apply to Pepperl+Fuchs AG.

Download the complete datasheet as a PDF:

Datasheet excerpt: Technical data of  VAA-2E-KE1-S

Product Description
KE1 safety module for the control cabinet
2 Safety-related inputs
General specifications
Slave typeSafety-Slave
AS-Interface specificationV2.1
Required master specification≥ V2.0
UL File NumberE87056
Functional safety related parameters
Safety Integrity Level (SIL)SIL 3
MTTFd200 a
Indicators/operating means
LED FAULTerror display; LED red
red: communication error or address is 0
LED PWRAS-Interface voltage; LED green
LED INswitching state (input); 2 LED yellow
Electrical specifications
Rated operating voltage26.5 ... 31.6 V PELV from AS-Interface
Rated operating current≤ 70 mA
Protection classIII
Number/Type2 safety-related inputs for mechanical contacts, cross-circuit monitored:
2 single-channel contacts: up to category 2 in accordance with EN 954-1 or
1, 2-channel contact: up to category 4 in accordance with EN 954-1
Cable length must not exceed 300 m per input.
Supplyfrom AS-Interface
Voltage20 ... 30 V DC pulsed
Current loading capacityinput current limited ≤ 15 mA,
overload and short-circuit resistant
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EUEN 62026-2:2013
Standard conformity
Insulation coordinationEN 50178:1998
Electromagnetic compatibilityEN 61000-6-2, EN 61000-4-5 1 kV asymmetric, criterion B, EN 61000-6-4
Degree of protectionEN 60529:2000
Fieldbus standardEN 62026-2:2013
Electrical safetyEN 50178:1998 IEC 60204-1:2007
Emitted interferenceEN 61000-6-4:2001
AS-InterfaceEN 62026-2:2013
Functional safetyEN 954-1:1996 (up to category 4), BIA Final Draft "Proposal for a principle to the verification and certification of field busses for transmission of safety related signals" 28.05.2000, IEC 61508 up to SIL3
StandardsNFPA 79:2002
Programming instructions
IO code0
ID codeB
ID1 codeF
ID2 code0
Data bits (function via AS-Interface) input output
D0 dyn. safety code 1 -
D1 dyn. safety code 1 -
D2 dyn. safety code 2 -
D3 dyn. safety code 2 -
Parameter bits (programmable via AS-i)function
P0not used
P1not used
P2not used
P3not used
Ambient conditions
Ambient temperature-25 ... 50 °C (-13 ... 122 °F)
Storage temperature-25 ... 85 °C (-13 ... 185 °F)
Shock and impact resistance10 g, 16 ms in 6 spatial directions 1000 shocks
Vibration resistance0.75 mm 10 ... 57 Hz , 5 g 57 ... 150 Hz, 20 cycles
Mechanical specifications
Degree of protectionIP20
Connectionremovable terminals, terminal connection ≤ 2.5 mm2
HousingPA 66-FR
Mass80 g
MountingDIN mounting rail

Documents: VAA-2E-KE1-S

Instruction manualsLanguageFile TypeFile Size
Instruction Manual VAA-2E-KE1-SENGPDF1803 KB
Betriebsanleitung VAA-2E-KE1-SGERPDF1776 KB

Approvals+Certificates: VAA-2E-KE1-S

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-2909APDF162 KB
AS-Interface61701PDF88 KB
Russia TUV GOST-R101-KC/542PDF90 KB
TUV Rheinland Functional Safety968/EZ 192.00/05PDF772 KB
US TUV Rheinland USA Functional SafetyUS 72060083LINK---

Software: VAA-2E-KE1-S

Software ToolsRelease InfoFile TypeFile Size
SISTEMA Library AS-Interface Safety / SISTEMA-Bibliothek AS-Interface SafetyZIP622 KB

Associated Products: VAA-2E-KE1-S


AS-Interface Handheld with accessoryfa

Adapter cable module/hand-held programming devicefa
AS-Interface Product Range

Get to know our full range of AS-Interface products.