MTL830-Multiplexer-User-Manual操作说明书手册

Cuts installation andcable costs for all Ishazardous-area circuitsMTL830 SERIES(€◆Reduce the cost of installingConnect directly to host systemshazardous-area cablingthrough serial-data outputsSave installation time,spaceAnaloque inputs to controllersand weightwith Modbus communications◆Highlight problems quicklyRedundant data highwayswith status reporting systems◆Protect the process with sensorfailure detection and safety drivesMTL830 Series multiplexers with ModbusMultiplexer systems can communicate the statusoutputs provide a cost-effective alternative to singleof up to 32 inputs,reducing the number ofloop isolation.The cost of installed wiring is reducedhazardous area wiring pairs from 32 to two.by up to 50%by communicating the input of multiplehazardous-area sensors over dual-redundant dataReduce costs by eliminating long runs of expensivehighways.Further savings are achieved by reducingthermocouple compensation cable from thethe number of inputs to the host,cabinet space andhazardous to the safe area.Also,if 3 or 4wire RTDsweight.are used,costs are reduced by temminating each RTDat the transmitter or its enclosure.A multiplexer transmitter,mounted in thehazardous area,caters for thermocouple,RTD andDual redundant highways increase systemmV analogue inputs.A compatible safe-area recelverreliability.Fallure detectors and safety drives protectprovides serial Modbus outputs for feeding to hostagainst the consequences of sensor failure,whilePLC,PC or DCS controllers.builtin systems report fallures to the host controller.Dual-redundant data highways between theAccessorles include steel and stainless-steeltransmitter and the receiver allow continuous normalenclosures,earth-leakage detectors and a PCbasedoperation with only one highway connected.Theconfiguration software package.highway cable,a simple twisted pair or a pair ofwires within an IS multi-core cable,camries bothFor more information see AN9010,A user's guldepower and data,over distances up to 2km.If theto multlplexers'and TP1098,'Cut the cost of intrinsicmultiplexer transmitter is located in the hazardoussafety by multiplexing!'area,each data highway must be protected by anMTL3052 digital isolator.ASIA PACIFICTd4654877887Fae+654877997ay2004Email:.com Wb si:ww.mtHinst.com