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4SignalConditionersIndicatorsPowerTransducersWeb Data LoggersTemperatureControllersLimit Alarms4-wire Signal Conditioners2-wire Signal ConditionersFunction Modules & Retrofit ProductsTower LightsRecordersPID ControlComponentsRemote I/OMultiplex Transmission SystemElectric ActuatorsLightning SurgeProtectorsSignal Conditioners Selection Guide 1Focused New Products for JapanSignal Conditioners Selection Guide 2M-SystemCompanyM2VS DC input, fixed rangeW2VS DC input, fixed range, signal splitterM6xXV DC input, programmable rangeSame panel oradjacent panelsDesigned primarily for front-ending PLC/DCS systems which are mounted within the same panel or adjacent to it.The isolator module is powered from terminals separate from signal lines.• Test and measurement applications• Manufacturing cells• Monitoring systems located in-line with the manufacturing processFour-wire isolator : 4-20 mA (passive) input / 4-20 mA output / Line powerede.g.DCSPLCBasic isolator designed to interface a PLC and DCS system with a field instrument.The isolator module supplies 24 Vdc power to the field device and provides a linearized output signal if necessary.• Remote field signal monitored by control system• Water/wastewater treatment• Petrochemical, tank farms, large manufacturing sitesFour-wire isolator / current loop supply : 4-20 mA (active) input / 4-20 mA output / Line powered4-20 mAM2DYS Fixed rangeW2DYS Fixed range, signal splitterM3LDY Programmable linearization4-20 mAPLC / DCS250ΩFlowmeterLevel controlField device4-20 mAField device250Ω4-20 mAe.g.24Vdc excitationand signal lineRecorder, IndicatorSecond PLCChoose by Housing and Terminal Access Styles• Plug-in base socket mounted• Terminal block style• Euro terminal block style• Ultra-slim housing• Installation base mounted• Rack mounted• Field enclosure mounted• Sensor head mounted• PCB mounted• Connector outputChoose by I/O Signal Types• Universal input• DC mV, V, mA• Two-wire transmitter• Temperature• Potentiometer• Strain gauge• CT & VT• Frequency and pulse• Pneumatic• AC power• And othersChoose by Functions• Isolation / Amplification• Conversion / Transmission• Signal splitting• Limit alarm• Filtering• Math / Process function• LinearizationChoose by Power Supply• AC line powered (4-wire)• DC line powered (4-wire)• Output loop powered (2-wire)• Input loop powered (self powered)Signal ConditionersISOLATOR APPLICATIONSIsolator is installed between a transmitter (i.e. sensor) and a receiver to galvanically isolate DC signals.Breaking the path between a field instrument and a control room device minimizes various influences coming from the field site to the control room.In addition, each instrument separated by galvanic isolation can choose its own ground point independently from other ones, avoiding the ‘ground loop’ problem.Lastly, the isolator can provide impedance conversion to beat loop impedance constraints, and signal level conversion (e.g. from 10-50 mA to 4-20 mA) function. A signal conditioner is used to condition and convert a field sensor signal suitable for processing with the PLC/DCS in a wide variety of process plants and factories. Typical applications are:Signal conversion Signal isolation to stop ground loops Signal boosting to increase load drive capabilityM-System signal conditioners are available with wide combinations of process signal I/O, power input and mounting configuration. Additionally, M-System offers the broadest line of signal splitters available.1

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