Krohne ALTOFLUX IFM4042K EEx EN Instrukcja Użytkownika

7.xxxxx.xx.xx12/01Electromagneticflowmeter in 2-wiretechnologyALTOFLUX 2WIFM 4042 K-EExCompact flowmeterAddition to theinstallation andoperatinginstru

94. REPLACEMENT OF ELECTRONICS UNITIMPORTANT !The following instructions must be followed carefully, when the IFC 040-EEx signalconverter housing has

105. EQUIPOTENTIAL BONDING SYSTEMThe IFM 4042 K-EEx electromagnetic compact flowmeter must be incorporated into theequipotential bonding system. The

118. CONNECTION DIAGRAMFlow tubeHazardous locationsof Zone 1 and 2EIFS 4000…-EExPrimary HeadIntrinsically safe electrode circuitsIncreased safe field

129. ORDERING INFORMATIONIn case of questions about spare or replacing parts contact your local Krohne representative.The part number of the IFC 040-

13Figure 6: Data plate IFM 4042 K-EEx, type EEx e [ib].

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1511. EC-TYPE EXAMINATION CERTIFICATE

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1WARNING !No changes may be made to the devices. Unauthorized changesmight affect the explosion safety of the devices.These additional instructions ar

21. SYSTEM COMPONENTS1.1 General informationThe Altoflux 2W IFM 4042 K-EEx electromagnetic compact flowmeter in 2-wire technology isin accordance wi

3Meter size Type of protectionDN10 up to DN20Field coils: Increased safety "e" according to EN 50019Encapsulation "m" according to

41.3.3 Cable or conduit entriesDependent on the explosion protection type that the terminal compartment is configured with,(see description on the pr

5Galvanical separation of circuits:• The internal electrode circuit with type of protection "EEx ib" is galvanically connected tothe alumin

6• The current output (terminals I, I⊥) and the additional power supply (terminals 1L=, 0L=)must be galvanically separated connected and driven from

7Figure 2: Connection of IFM 4042 K-EEx in 2-wire mode.The entity parameters of the "EEx i" approved transmitter power supply, including the

8Figure 3 on the previous page shows an example of the connection of the IFM 4042 K-EEx in2x2-wire mode. As in the previous example (figure 2), the te