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6

EN

ZT235-256AS-C-EN

Operating instructions

Position switch with safety function

Z/T 235/236 AS

Z/T 256 AS

9. EU Declaration of conformity

Place and date of issue:

Wuppertal, December 6, 2016

Authorised signature

Philip Schmersal

Managing Director

EU Declaration of conformity

Original

KA Schmersal GmbH & Co KG

Möddinghofe 30

42279 Wuppertal

Germany

Internet: wwwschmersalcom

We hereby certify that the hereafter described components both in their basic design and construction conform 

to the applicable European Directives 

Name of the component:

Z/T 235 AS, Z/T 236 AS, Z/T 256 AS 

Type:

See ordering code

Description of the component:

Positive break position switch for safety functions with integrated 

AS-i Safety at Work

Relevant Directives:

Machinery Directive

EMC-Directive

RoHS-Directive

2006/42/EC

2014/30/EU

2011/65/EU

Applied standards:

DIN EN 60947-5-1:2010,

DIN EN ISO 13849-1:2016,

IEC 61508 parts 1-7:2010

Person authorised for the compilation  

of the technical documentation:

Oliver Wacker

Möddinghofe 30

42279 Wuppertal

The currently valid declaration of conformity can be  

downloaded from the internet at wwwschmersalnet

K. A. Schmersal GmbH & Co. KG

Möddinghofe 30, D - 42279 Wuppertal

Postfach 24 02 63, D - 42232 Wuppertal 

Phone:  +49 - (0)2 02 - 64 74 - 0 

Telefax:  +49 - (0)2 02 - 64 74 - 1 00

E-Mail: [email protected]

Internet: http://www.schmersal.com

Summary of Contents for Z/T 235 AS

Page 1: ...ety switchgear must be exclusively used in accordance with the versions listed below or for the applications authorised by the manufacturer Detailed information regarding the range of applications can be found in the chapter Product description 1 5 General safety instructions The user must observe the safety instructions in this operating instructions manual the country specific installation stand...

Page 2: ...ace Safety at Work component functions on the basis of an individual code generator 8 x 4 bit This safety code is cyclically transmitted over the AS i network and monitored by the ASM safety monitor The component status can be evaluated through a PLC with AS Interface master The safety related functions are enabled by means of the AS i safety monitor The user must evaluate and design the safety ch...

Page 3: ...uthorised tampering The enclosure must not be used as an end stop Any mounting position To ensure a proper functioning the switch must be installed so that the required switch travel is obtained For safety functions at least the positive break travel indicated in the switch travel diagram refer to catalogue must be obtained All components have sufficient after travel to compensate for inaccuracies...

Page 4: ...ing the lever H 10 10 10 10 The roller lever can be repositioned over 360 on the toothed shaft in 10 steps Unscrew the hexagonal screw approx 4 mm reposition the lever in the desired position and retighten the screw Length adjustable lever 7H 2138 To adjust the length of the lever unscrew the fixing screw of the lever Firmly retighten the screw after the length adjustment Position switches with 7H...

Page 5: ...atus signal from a Safety at Work slave can be cyclically queried by the control system through the AS i master To that effect the 4 input bits with the varying SaW code of a Safety at Work slave are evaluated through an OR operation with 4 inputs in the control system 6 Diagnostic 6 1 LED indications The LED s have the following meaning to EN 62026 2 Yellow LED Channel 1 AS i SaW Bit 0 1 LED gree...

Page 6: ...S Z T 256 AS Type See ordering code Description of the component Positive break position switch for safety functions with integrated AS i Safety at Work Relevant Directives Machinery Directive EMC Directive RoHS Directive 2006 42 EC 2014 30 EU 2011 65 EU Applied standards DIN EN 60947 5 1 2010 DIN EN ISO 13849 1 2016 IEC 61508 parts 1 7 2010 Person authorised for the compilation of the technical d...

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