ABB Orion3 Extended Original Instructions Manual

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ABB Orion3 Extended Original Instructions Manual Manual pdf 9 page image

2TLC172292M0201 Rev B 9 www.abb.com/jokabsafety2018-04-192.4 Minimum installation distanceWarning! The information given in this chapter shall be considered as an overview. For correct positioning, pleaserefer to the latest version of the complete standard EN ISO 13855 ”Safety of machinery – Positioning ofsafe guardswith respect to the approach speeds of parts of the human body”.The safety device must be positioned at a distance that prevents a person or part of a person to reach the hazardzone before the hazardous motion of the machine has been stopped by the AOPD.According to EN ISO 13855:2010, the minimum distance to the hazard zone is calculated using:S = (K × T) + CS Minimum distance (mm) between safeguard and hazard zone.K Approach speed of body parts towards the hazard zone (mm/s). See below for values.T Overall system stopping performance (s) with T = T1 + T2, where:T1 = response time of the AOPD (s).T2 = stopping time of the machine, including the response time of the safety control system (s).C Intrusion distance (mm). C depends on the resolution d and the position of the detection zone. See below.2.4.1 Vertically assembled AOPDThe minimum distance S for a vertically assembled AOPD is determined in three steps:a) Calculation of the minimum distance for reaching through the detection zone, SRT.b) Calculation of the minimum distance for reaching over the detection zone, SRO.c) Comparison of SRT and SRO. The minimum distance S is the greater of the two.NB: If access to the hazard zone by reaching over the AOPD can be excluded, e.g. by the provision of guards or otherprotective measures, steps b) and c) are not necessaryFigure 5 – Minimum distance for a vertically assembled AOPDS = minimum distance in mmH1 = height of the lowest beamH2 = height of the uppermost beamH1 ≤ 300 mm*H2 ≥ 900 mm*400 mm can be used for 2 beams when the riskassessment allows it.