8000 Zone2.pdf

Pulse Input Module2-channel pulse input8223-PI-ISCONFIGURABLE PARAMETERSINPUTSChannel ..........................................................enable / disableSensor type............NAMUR prox. type (select low / high speed)......................................................................current pulse input.....................................................................voltage pulse input...............................................................................switch inputFrequency ranges...... 0.1, 0.3, 0.5, 1, 3, 5, 10, 30, 50, 100*kHzSample period ...................................................50ms to 200sQuadrature ....................................................enable / disableThreshold level ...........................................user defined valuesTriggering..........................................rising edge / falling edgeFiltering...................................................off, 1, 5, 20, 100kHzAlarms.................................................frequency / accelerationAlarm limits ............................................................high / lowAlarm deadband (hysteresis) ....................user defined valueLine fault detect .............................................enable / disableChannel status................................................active / inactiveCounter...........................................................enable / disableCounting direction ................................count up / count down* While measurements can be made in the upper half of this range,the stated accuracy applies only to frequencies up to 50kHz.In quadrature mode, the upper limit is 12.5kHz.DISCRETE OUTPUTFunction selection......................................................disabled.......................................................................high / low alarm.....................................................................acceleration alarm.......................................................counter preset value reached..............................................quadrature output (channel 1 only).........................................scaled retransmission (channel 1 only)Retransmission scaling (K factor – channel 1 only) ......1 – 256CONTROL GATE INPUTCounter (channel 1)....................................start (count)/pauseDYNAMIC DATA (READ ONLY)PROCESS VALUESFrequency ........................................................16 bit unsignedCount ...................................................................32 bit signedAcceleration ........................................................16 bit signedSTATUS VALUESFrequency / acceleration alarms.........................High / low....................................................................missing pulse detectLine fault detect............................................open/short circuitQuadrature direction.............1 = clockwise, 2 = anti-clockwiseCounter alarms ........................................preset value reachedCONTROL DATA (WRITE ONLY)Counter preset value .........................................32 bit signed..................................................load preset value = 0 to disableCounter commands....................................start / stop / resetNote: Channel 1 counter can also be controlled by control gateinput: 1= start(count), 0 = pauseISOLATIONAny channel to Railbus..............................................60V acBetween input channels ............none (common 0V connection)Between output channels ..........................................30V acRESPONSE TIMEResponse time......................................................25ms (max.)(Signal change to availability on Railbus)POWER SUPPLIESRailbus current (both channels @22mA) ........300mA (max.)Power dissipation (both channels @22mA)......2.8W (max.)(no load).................................................................2.0W (max.)MECHANICALModule Key Code ..............................................................F2Module width ...............................................................42mmWeight ............................................................................260gTERMINAL ASSSIGNMENTSTerminal1 Current input2 Voltage input3 NAMUR input Channel #14 Common5 Power supply +ve6 Power supply +ve7 Current input8 Voltage input Channel #29 NAMUR input10 Common11 NAMUR gate/control input12 Common13 Output +veChannel #114 Output –ve15 Output +ve16 Output –veChannel #2FIELD TERMINALField wiring typeDescriptionIntrinsically safe, standardRecommendedField Terminal8621-FT-ISEUROPE (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