Serviceline Industrial Sensors
Serviceline Explosion Protection

AS-Interface Safety Monitor VAS/M-2A8L-KE4-8SE-C1

  • Compact safety controller up to SIL 3/PLe
  • 4 integrated, safe inputs
  • 2 integrated, safe outputs (OSSDs)
  • 8 logical, safe output groups (switchable)
  • Increased functionality through integrated expansion port
  • Parameterizable muting, timer and logic functions using SIMON+ software
  • Integrated data decoupling

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  VAS/M-2A8L-KE4-8SE-C1

Product Description
Safety Monitor, 8 decentralized output circuits
General specifications
AS-Interface specificationV3.0
UL File NumberE223772
Functional safety related parameters
Safety Integrity Level (SIL)SIL 3
Performance level (PL)PL e
Mission Time (TM)20 a
PFHd5.08 E-9
Indicators/operating means
LED AS-i MStatus of AS interface master, multicolored LED
green: Master OK
LED SMStatus of safety monitor, multicolored LED
green: Safety monitor OK
LED S1 ... S8Status of inputs S1 ... S8, yellow LED
yellow: Contact open
LED O1, O2Status of outlputs, multicolored LED
yellow: Output on
Electrical specifications
Auxiliary voltage (input)20 ... 30 VDC PELV
Insulation voltage500 V AS-Interface/UAUX:
Rated operating voltage18,0 ... 31.6 V from AS-Interface
Rated operating current≤ 200 mA from AS-Interface;
≤ 4 A from AUX
Interface 1
Interface typeChip card slot
Interface 2
Interface typeMicro USB
Number/Type8 / 4 safe inputs cat. 4
8 standard inputs and outputs
Supply24 V UAUX
Current loading capacity10 mA per signal output
1.4 A OSSD supply output
Input currentStatic switching current 4 mA at 24 V, dynamic 30 mA at 24 V (T=100 μs)
Number/TypeOutput circuits 1 and 2
max. contact rating:
700 m ADC-13 at 24  V
Supply24 V UAUX
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EUEN 62026-2:2013 EN 61000-6-2:2005/AC:2005
EN 61000-6-4:2007/A1:2011
Machinery Directive
Directive 2006/42/ECEN 13849-1:2008/AC:2009 EN 62061:2005
Standard conformity
Electromagnetic compatibilityEN 50295:1999 EN 61000-6-2:2005/AC:2005
EN 61000-6-4:2007/A1:2011
Degree of protectionEN 60529:2000
Electrical safetyIEC 61508:2010 and EN 62061:2005 (up to SIL3) EN 13849-1:2008/AC:2009 EN 61326-3-1:2008
AS-InterfaceEN 62026-2:2013
Programming instructions
IO code0
ID codeB
ID1 codeF
Ambient conditions
Ambient temperature0 ... 55 °C (32 ... 131 °F)
Storage temperature-25 ... 85 °C (-13 ... 185 °F)
Mechanical specifications
Degree of protectionIP20
Connectionremovable terminals
rated connection capacity:
rigid/flexible (with and without wire-end ferrules): 0.25 mm2 ... 2.5 mm2
for multiple-wire connection with two wires of equal cross-section:
flexible with twin wire-end ferrules: 0.5 mm2 ... 1.5 mm2
HousingPA 66-FR
MountingDIN mounting rail

Documents: VAS/M-2A8L-KE4-8SE-C1

ManualsLanguageFile TypeFile Size
Mounting Instruction VAS*-2A8L-KE4-8SE* / Montageanleitung VAS*-2A8L-KE4-8SE*ALLPDF5045 KB
Manual Safety Basis MonitorENGPDF5865 KB
Handbuch Safety Basis MonitorGERPDF5882 KB
Instruction manuals
Instruction Manual VAS/M-2A8L-KE4-8SE-C1 / Betriebsanleitung VAS/M-2A8L-KE4-8SE-C1ALLPDF413 KB


CADFile TypeFile Size
3-D model in IGS format / 3-D-Modell im IGS-FormatIGS13206 KB
3-D model in STP format / 3-D-Modell im STP-FormatSTP2752 KB
CAD Portal / CAD PortalLINK---

Approvals+Certificates: VAS/M-2A8L-KE4-8SE-C1

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-2491DPDF268 KB
TUV Nord Functional Safety44 205 13078305PDF58 KB
US CA ULE223772LINK---

Software: VAS/M-2A8L-KE4-8SE-C1

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

Associated Products: VAS/M-2A8L-KE4-8SE-C1

Software for configuration of K30 Master Monitors/K31 and KE4 Safety Monitorsfa
USB Type A to Micro-USB connectorfa