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Emerson Chapter, I/O Wiring - Model 2400S Analog Transmitters, 3.1Overview, 3.3I/O options

Models: 2400S

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I/O Wiring – Model 2400S Analog Transmitters

Chapter 3

I/O Wiring – Model 2400S Analog Transmitters

3.1Overview

This chapter describes how to wire I/O for Model 2400S Analog transmitters.

Note: To wire I/O for Model 2400S PROFIBUS-DP and DeviceNet transmitters, see Chapter 4.

The 2400S Analog transmitter can be approved for Exe or Exi installation in Zone 1, or for installation in Zone 2. If you are installing your transmitter in a hazardous area, be sure the transmitter is approved for that area. It is the user’s responsibility to verify that the specific installation meets the local and national safety requirements and electrical codes.

3.2Moisture protection

When rotating or wiring the transmitter, guard against condensation or excessive moisture inside the transmitter housing. Be sure that the conduit openings are completely sealed after all installation and wiring procedures have been performed.

CAUTION

Condensation or excessive moisture entering the transmitter could damage the transmitter and result in measurement error or flowmeter failure.

To reduce the risk of measurement error or flowmeter failure:

•Do not mount the sensor so that the conduit openings on the transmitter point upward.

•Ensure the integrity of gaskets and O-rings.

•Grease the O-rings every time the transmitter housing is opened and closed.

•Install drip legs on conduit or cable.

•Seal the conduit openings.

•Fully tighten all covers.

3.3I/O options

Table 3-1lists the options for the transmitter’s two I/O channels. Before wiring Channel B, ensure that you know how it will be configured. For information on configuring Channel B for function and power, see the manual entitled Micro Motion® Model 2400S Transmitters with Analog Outputs: Configuration and Use Manual.

Before You Begin

Power Supply

I/O Wiring – AN

I/O Wiring – DP and DN

Installation Manual

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Emerson Chapter, I/O Wiring - Model 2400S Analog Transmitters, 3.1Overview, 3.2Moisture protection, 3.3I/O options

Contents

P/N 20003402, Rev. C January Installation ManualInstallation Manual Micro Motion Model 2400S TransmittersPage Contents Micro Motion Model 2400S Transmitters Contents1.1Overview ChapterBefore You Begin 1.2Safety1.4Transmitter installation overview 1.3Flowmeter componentsFigure 1-1 Model 2400S transmitter Table 1-1 Flowmeter documentation resources Power Supply I/O Wiring - ANI/O Wiring - DP and DN 1.5Flowmeter documentationMicro Motion Model 2400S Transmitters 2.2Moisture protection Transmitter Orientation and Power SupplyChapter 2.1OverviewFigure 2-1 Rotating the transmitter on the sensor Table 2-1 Power supply requirements 2.5Power supply requirements2.6Wiring the power supply Model 2400S Analog transmitter Figure 2-3 Wiring the transmitter power supplyI/O Wiring - AN I/O Wiring - DP and DNMicro Motion Model 2400S Transmitters 3.2Moisture protection I/O Wiring - Model 2400S Analog TransmittersChapter 3.1Overview3.4Wiring the outputs Zone 1 Exe and Zone Table 3-1 Terminal configuration options3.4.1mA output wiring Excessive current will damage the transmitter I/O Wiring - Model 2400S Analog TransmittersOPERATING REGION I/O Wiring - Model 2400S Analog Transmitters3.4.2Frequency output wiring Internal power - Figure External power - Figure 3.4.3Discrete output wiring3-36VDC + Pull-upresistor or DC Relay Table 3-2 Input voltage ranges for external power 3.4.4Discrete input wiringMicro Motion Model 2400S Transmitters 3.5Wiring the outputs Zone 1 ExiPLC or other device see TableHazardous area current 3.5.1Hazardous area safetyTable 3-3 Safety parameters Hazardous area voltageHazardous area 3.5.2Hazardous area mA wiringFigure 3-15 Hazardous area mA output wiring Hazardous area inductanceON 2.1 mA OFF 1.2 mA Safe area I/O Wiring - Model 2400S Analog TransmittersHazardous area Hazardous areaI/O Wiring - AN 3.5.4Hazardous area discrete input wiringI/O Wiring - Model 2400S Analog Transmitters Before You Begin Power SupplyMicro Motion Model 2400S Transmitters 4.1Overview I/O Wiring - Model 2400S PROFIBUS-DPandDeviceNet Transmitters ChapterPage I/O Wiring - DP and DN Figure 4-1 Model 2400S PROFIBUS-DPI/O wiringBefore You Begin Power Supply I/O Wiring - ANFigure 4-3 Model 2400S DeviceNet I/O wiring Figure A-1 Transmitter dimensions Dimensions and SpecificationsAppendix A A.1 DimensionsPhysical specifications Dimensions and SpecificationsModel 2400S Analog Dimensions and SpecificationsSpecifications Electrical connectionsWith display Dimensions and SpecificationsA.5 User interface Model 2400S AnalogReturn Policy Index Dimensions and SpecificationsSpecifications Interface functionsA.6 Input/output signals Dimensions and SpecificationsModel 2400S Analog Zone 1 Exe or Zone Model 2400S PROFIBUS-DP Dimensions and SpecificationsSpecifications Model 2400S Analog Zone 1 ExiAll versions Dimensions and SpecificationsA.8 Host interface Digital communicationsA.10 Environmental effects Dimensions and SpecificationsSpecifications Environmental limitsMicro Motion Model 2400S Transmitters B.2 Used equipment Appendix BReturn Policy B.1 New and unused equipmentMicro Motion Model 2400S Transmitters Index mA output 13 external power 14 HART multidrop Page Micro Motion Europe 20003402Micro Motion Inc. USA Worldwide Headquarters