Ex relevant specificationsD184B097U02 FV4000 / FS4000 101Change from one to two columns11.3 Ex "d" / Ex "ib" / Ex "n" design for VT42/ST42and VR42/SR42 (4 ... 20 mA / HART)ImportantThe devices may only be operated in explosive areas if thehousing covers have been fully closed.EC type-examination certificate TÜV 08 ATEX 554955 XDesignation• Transmitter / FlowmeterII 2G Ex d [ib] IIC T6II 2G Ex ib IIC T4II 2D Ex tD A21 T 85 °C ... Tmed IP 67• Flowmeter sensorII 2G Ex ib IIC T4II 2D Ex tD A21 T 85 °C ... Tmed IP 67Declaration of conformity TÜV 08 ATEX 554956 XDesignation on sensor / transmitter / flowmeterII 3G Ex nA [nL] IIC T4II 3D Ex tD A22 T85°C...Tmed IP67Certificate of conformity IECEx TUN 08.0010 XDesignation:Ex d [ib] IIC T6 to T1Ex ib IIC T4 to T1Ex tD A21 IP6X T85°C...TmediumEx nA [nL] IIC T4 to T1G00673Eex d [ib]Ex ibEx nA [L]12 3UUmm++++818283848586868742 4241 4132 3231 31VR42/SR42VT42/ST42Ex d [ib]Ex ibEx nA [nL]Ex ibEx nA [nL]PA1)1)= 60 V= 60 V2)2)PA PAEx d [ib]Ex ibEx nA [nL]Fig. 52: Electrical connection for VT42 / ST42 and VR42 / SR421 Flowmeter sensor2 Transmitter3 FlowmeterFlowmeter sensor wire colorsTerminal Wire color81 Red82 Blue83 Pink84 Gray85 Yellow86 Green86 Brown87 White1) Supply power terminals 31 / 32a) Ex ib: Ui = 28 V DCb) Ex d [ib] / Ex nA [nL] UB = 14 … 46 V DC2) Switching output, terminals 41/ 42The switching output (passive) is designed as an optocoupler. Ifrequired, the switching output (passive) can be designed as aNAMUR contact (to DIN 19234).a) NAMUR with switching amplifierb) Switching output (optocoupler)- Ex ib: Ui = 15 V- Ex d [ib] / Ex nA [nL]: UB = 16 … 30 VIB = 2 … 15 mAImportantSupply current (supply power) and switching output must beeither only intrinsically safe or only non-intrinsically safe. Acombination of the two is not permitted. On intrinsically safecircuits, equipotential bonding must be in place along theentire length of the cable used.
