ABB Sensyflow FMT500-IG Operating Instructions Manual

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ABB Sensyflow FMT500-IG Operating Instructions Manual Manual pdf 29 page image

Electrical connectionsCI/FMT500-IG-EN Sensyflow FMT500-IG EN - 295 Electrical connectionsThe Sensyflow FMT500-IG is a thermal gas mass flowmeter in four-wire technology. It featuresa 0/4 ... 20 mA HART-enabled analog output as well as two digital inputs and two digitaloutputs.Please pay attention to the following version information as regards connection of the standardand Zone 2/22 versions.For connection in accordance with ATEX for Zone 0 / 1 / 21 and FM, comply with drawings andsafety instructions in chapter ‘Designs for potentially explosive atmospheres in accordance withATEX and FM’ on page 50.WARNINGOpening the rear housing cover and the cover for the supply terminal block while the device islive can result in an electric shock. This can result in severe injuries or death. Disconnect thedevice from the supply.IMPORTANT (NOTE)Before connecting the power supply, the signal wiring process must have been completed.5.1 Standard and Zone 2/22 versionTransmitter with integral mount designL / + Phase / + terminalN / - Neutral / - terminalPE GroundingWide-range power supply unit 110 ... 230 V AC / DC ± 10 %orLow-voltage power supply unit 24 V AC / DC ± 20 %Power supplyPROFIBUSor analog / HARTmoduleTransmitter with remote mount designL / + Phase / + terminalN / - Neutral / - terminalPE GroundingWide-range power supply unit 110 ... 230 V AC / DC ± 10 %orLow-voltage power supply unit 24 V AC / DC ± 20 %1:1 cable connection from transmitter terminal block to flowmetersensor terminal block, terminals 1 ... 10 (terminal 6 not assigned).TerminalcoverPowersupplyTransmitterterminal blockAnalog / HARTor PROFIBUSmoduleFlowmeter sensor with remote mount designFlowmeter sensor Terminals 1 ... 10Cable Min. 9 wiresMin. cross section Min. 0.5 mm 2 AWG 20Max. cable length 50 m (164 ft.)(25 m [82 ft.] for Zone 2/22 versionwith constant power method)1:1 cable connection from transmitter terminal block to flowmetersensor terminal block, terminals 1 ... 10 (terminal 6 not assigned).Place one side of the cable shield in the metal cable gland for theterminal box.Flowmeter sensorterminal blockTerminal box