Serviceline Industrial Sensors
Phone: 330-486-0001
Fax: 330-405-4710
Serviceline Explosion Protection
Phone: 330-486-0002
Fax: 330-963-5827

AS-Interface sensor/actuator module VAA-4E4A-KE-ZE/R

  • Housing with removable, mechanical and color coded terminals
  • Communication monitoring
  • Inputs for 2- and 3-wire sensors
  • Isolated relay output
  • Addressing jack
  • Selectable supply to the sensors: External or from the module
  • Function display for bus, internal sensor supply, inputs, and outputs
Unit Price:  259.00 USD
 in stock

Download the complete datasheet as a PDF:

Datasheet excerpt: Technical data of VAA-4E4A-KE-ZE/R

Product Description
KE switch cabinet module
4 inputs (PNP) and 4 relay outputs
General specifications
Slave typeStandard slave
AS-Interface specificationV2.1
Required master specification≥ V2.0
UL File NumberE106378
Functional safety related parameters
MTTFd300 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Indicators/operating means
LED FAULTFault display; Red LED
red: Communication fault or address is 0
red, flashing: Overload, internal input supply
LED INTInternal input supply active; LED green
LED PWRAS-Interface voltage; LED green
LED INswitching state (input); 4 LED yellow
LED OUTSwitching state (output); 4 LED yellow
Electrical specifications
Auxiliary voltage (input)12 ... 30 V DC PELV
Rated operating voltage26.5 ... 31.6 V from AS-Interface
Rated operating current≤ 35 mA (no sensors)/max. 210 mA
Surge protectionO1 ... O4: Over voltage category II
UEXT, Ue: Over voltage category III, safe isolated power supplies (PELV)
Number/Type4 inputs for 2- or 3-wire sensors (PNP), DC
Supplyfrom AS-Interface (switch position INT, default settings) or external UEXT (switch position EXT)
Voltage21 ... 31 V DC (INT)
Current loading capacity≤ 150 mA, overload- and short-circuit protected (INT)
Input current≤ 8 mA (limited internally)
Switching pointaccording to DIN EN 61131-2 (Type 2)
0 (unattenuated)≤ 2 mA
1 (attenuated)≥ 4 mA
Signal delay< 2 ms (input/AS-Interface)
Number/Type4 relay outputs, normally open
Nominal load
Per contact2 A / 30 V DC (acc. UL max. 24 V DC); 2 A / 253 V AC
Per module8 A
Control circuit≤ 8 mA per relay (from AS-Interface)
Switching delay< 10 ms (AS-Interface/contact)
Usage categoryDC-13 and AC-14
Mechanical5 x 106
Electrical0.2 x 106 (250 V AC, 2 A, cos φ = 0.4)
Galvanic isolation
Input/Outputsafe isolation, rated insulation voltage 300 V AC
Input/AS-InterfaceSwitch position INT: None Switch position EXT: reinforced insulation, rated insulation voltage 66 V DC
Output/Outputbasic insulation, rated insulation voltage 300 V AC
Output/AS-Interfacesafe isolation, rated insulation voltage 300 V AC
Compliance with standards and directives
Directive conformity
Low Voltage Directive 73/23/EECEN 60947-1:2007
EMC Directive 2004/108/ECEN 61326:2003
Standard conformity
Electromagnetic compatibilityNAMUR NE 21: 1998-08
Galvanic isolationEN 60947-1
Degree of protectionEN 60529:2000
Fieldbus standardEN 50295:1999
Programming instructions
IO code7
ID code0
ID1 codeF
ID2 codeE
Data bits (function via AS-Interface) input output
D0 IN1 O1
D1 IN2 O2
D2 IN3 O3
D3 IN4 O4
Parameter bits (programmable via AS-i)function
P0not used
P1not used
P2not used
P3not used
Ambient conditions
Ambient temperature-25 ... 60 °C (-13 ... 140 °F)
Storage temperature-25 ... 85 °C (-13 ... 185 °F)
Relative humidity85 % , noncondensing
Climatic conditionsFor indoor use only
Altitude≤ 2000 m above MSL
Pollution degree2
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
Mass170 g
MountingDIN mounting rail
Tightening torque of clamping screws0.5 Nm ... 0.6 Nm

Documents: VAA-4E4A-KE-ZE/R

Instruction leafletsLanguageFile TypeFile Size
Instruction leaflet / BeipackzettelALLPDF556 KB


CADFile TypeFile Size
3-D model in IGS format / 3-D-Modell im IGS-FormatIGS138 KB
3-D model in STP format / 3-D-Modell im STP-FormatSTP112 KB

Approvals+Certificates: VAA-4E4A-KE-ZE/R

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-1010APDF162 KB
Canada UL cULE106378 cUL (QUZW7)LINK---
Europe DEMKO ATEX Category 3 GDEMKO 16 ATEX 1750XPDF1876 KB
Russia TUV GOST-R101-KC/542PDF90 KB
UL Non-Sparking nA IECEx Certificate of ConformityIECEx UL 16.0116XLINK---
Worldwide AS-International Association AS-Interface48501PDF578 KB

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