special features ? three optimized safety barriers for intrinsically safe installation according to a t ex for hbm strain gage load cells ? ec type examination certificate bas01a t ex7005 (ex ii (1) gd, [eex ia] iic) ? certificate of conformity to en50039 for a load cell system: bas no. ex 02e2186 (eex ia iic) ? usable with hbm electronic types we2108, we 2110 and aed system safety barriers SB01A dimensions of one safety barrier (in mm; 1mm=0.03937 inches) 12.5 115 11 0 b1012-11 en data sheet http://
connecting diagram 1 sense + excitation + excitation ? sense ? signal ? signal + 6 1 4 8 5 z76 3 z76 4 z76 4 1 4 8 5 1 4 8 5 amplifier (we2108, we2110 or aed...) junction box safety barriers SB01A 1 ... 6 load cells excitation signal sense + ? + ? ? + hazardous area safe area 2 observe max. permissible cable length limits! in accordance to the values of inductivity and capacity specified in the certificate of conformity , the following cable length limits between the safety barriers and the junction box are permissible with hbm cable type kab8/00-2/2/2 (blue): maximum permissible extension between SB01A and junction box; load cells tested to ptb 01 atex 2208, gas group iic 300 m maximum permissible extension between SB01A and junction box; load cells tested to ptb 01 atex 2209, gas group iic 300 m maximum permissible extension between SB01A and junction box; load cells tested to ptb 01 atex 2211, gas group iic 100 m attention: with cable lengths of more than 50 m, the shield must not be layed on both sides. hottinger baldwin messtechnik gmbh im t iefen see 45, d-64293 darmstadt, germany tel.: +49 6151 8030; fax: +49 6151 803 9100 e ? mail: support@hbm.com www.hbm.com modifications reserved. all details describe our products in general form only . they are not to be understood as express warranty and do not constitute any liability whatsoever . b1012-11 en
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