Sector Contents Page
1 Safety Instructions 5
1.1 Prerequisites for the utilisation of the safety light curtains 5
2 Terminology 6
3 System Description and Technical Data 8
3.1 Features 8
3.2 Application Areas 8
3.3 Structure and Function 9
3.4 Tables: Protective fields, constructional lengths, ranges, resolutions, beam spacing, number of beams 9
3.5 LED-displays (in general) 10
3.6 Operating modes selector (with/without restart interlock, with/without contactor check, equivalent/antivalent outputs) 10
3.7 Technical data 11
3.8 Dimensions drawing (Light curtain and standard fastening brackets) 12
4 Installation 13
4.1 Response times ULVT, BLVT, cascaded systems and optional safety switching units 13
4.2 Safety distance from the hazardous areas 14
4.2.1 - vertical protection for hazardous areas (≤ 40 mm resolution) 14
4.2.2 - horizontal protection for hazardous areas 15
4.2.3 - vertical protection for hazardous areas by light grids (> 40 mm resolutiion and single beams) 16
4.3 Construction requirements 17
4.3.1 - Installation without additional screening 17
4.3.2 - Protection against reaching over or under barriers 17
4.3.3 - Protection against avoiding barriers through cascading or additional screening 17
4.3.4 - Distance from reflective surfaces 18
4.3.5 - Arrangement of two safety light barriers 18
4.4 Mounting and Adjustment 19
4.4.1 Adjustment Instructions with standard fastening brackets / Isolated mounting on EMV disturbances 19
4.4.2 Option: angular brackets (dimension drawing included) 20
4.4.3 Option: rubber-metal connection (to avoid intense vibrations) 21
4.4.4 Option: multi-sided screening by using tilted mirrors (dimension drawing included) 21
4.4.5 Option: Assembly columns / Shock Protection (dimension drawing included) 23
5 Electric Connection ULVT / BLVT 25
5.1 Integrated connector plug 25
5.2 Electric connection ratings 25
5.3 Connectors 25
5.4 Connection examples - without optional safety switching units 26
5.4.1 ULVT 500/2R: connecting advice 26
5.4.2 Safety mode with restart interlock/ with valve or contactor check 26
5.4.3 Safety mode without restart interlock/ without valve or contactor check 26
5.4.4 SPS drive 26
6 Commissioning 27
6.1 Commissioning 27
6.2 Adjustment instructions / LED-displays 27
6.3 Trouble-shooting / LED-displays 28
chapters 7 ... 11 --->>
Table of contents
FIESSLER
E L E K T R O N I K
3
Fiessler Elektronik GmbH & Co. KG
Doku Nr. 958 Stand 22.01.2018 RK
Phone: +49 (0) 711 / 91 96 97-0 Internet: http://www.fiessler.de
Fax : +49 (0) 711 / 91 96 97-50 eMail: info@fiessler.de
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