8000 Zone2.pdf

32-channel Discrete Input24V dc, non-isolated, module-powered8125-DI-DC◆◆◆◆◆up to 32 input channelsfor dry contact switches or proximity detectorspulse counting and latching option24V dc bussed field power requiredline fault detection on all inputsResistors are requiredfor line fault detection1kW9kWSafe areaor Zone 2/Div 2 hazardous areaChannel 1 of 32RegulatorsmPMODULE SPECIFICATIONSee also System SpecificationRailbusINPUTNumber of channels .........................................................32OFF current ...............................................................< 1.2mAON current ............................................................... > 2.1mAShort circuit current.............................................8.6mA (typ.)Output resistance .................................................950Ω (typ.)Open circuit output voltage..............................8.2V dc (typ.)Line fault detectionShort Circuit .............................................................< 100ΩOpen Circuit.............................................................< 50µAInput voltage range without damage .............0 to +12V dcIsolation (channel to Railbus) ..................................250V acInput sampling rate (all 32) .........................................8kHzInput pulse width ...............................................250µS (min.)DI counting frequency without loss.................500Hz (max.)Applicable specification .........................NAMUR, DIN 19234SAFETY24 VdcBussed Field PowerFM non-incendive field wiring parameters (each channel)..................V oc = 8.64V; I sc = 18.5mA; C a = 28µF; L a = 23.6mHPOWER SUPPLIESRailbus (12V) current ................................................< 50mABussed field power ...........................190mA (max.) at 24V dcMECHANICALModule Key Code..............................................................B3Module width ...............................................................42mmWeight ............................................................................185gCONFIGURABLE PARAMETERSInput filter...................................0 to 8.192secs in 250µs stepsPulse counting ..............................................................on/offLatching.........................................................................on/offRESPONSE TIMEInput module scan time ...............................................< 1ms(Inputs sampled at 8kHz and processed every 1ms)FIELD TERMINALField wiring Recommended CompatibleField Terminal Field TerminalGeneral purpose 8617-FT-NI 8619-FT-MT16/30 channel DI 44-pin MTAClass 1, Div 2 8617-FT-NI 8619-FT-MTor Zone 2 16/30 channel DI 44-pin MTAhazardous areasEUROPE (EMEA) Tel: +44 (0)1582 723633 Fax: +44 (0)1582 422283AMERICAS Tel: +1 603 926 0090 Fax: +1 603 926 1899ASIA PACIFIC Tel: +65 487 7887 Fax: +65 487 7997E-mail: enquiry@mtl-inst.com Web site: www.mtl-inst.comOct 2006