Ferrostat Speed Sensor Series DSF Explosion Proof …

1 JAQUET AG, Thannerstrasse 15, CH 4009 Basel nderungen : Speed SensorSeries DSFE xplosion Proof Versions EExDSF ..10.** .HVExATEXO perating Instructions374E-64368 Valid from lot nr. 0103 GeneralFunctionThe DSF Series Ferrostat Speed sensors are suitable for use with a pole wheel to gener-ate Speed proportional frequency signals. They exhibit dynamic behaviour, whereby pulsegeneration down to Hz is guaranteed. The sensing element is a magnetically biasedHall device, followed by an amplifier having a trigger characteristic and short circuit proofoutput in potentially explosiveenvironment EExFor operation in hazardous areas the restrictions given in the EC Type ExaminationCertificate must be adhered xHV Ex Series sensors are certified intrinsically safe II 2 G EEx ia IIC T6-T1 for use in flammable gas atmospheres, and as II 2 D T147 C IP65 for use in flammabledust atmospheres.

2 EC Type Examination Certificate no. ZELM 03 ATEX copy of the EC Type Examination Certificate forms a constituent part of these DataSupply voltage *8 .. 28 VDC, max. superimposed AC ripple of voltage drop as a result of the cable impedance and Zener barrier Series resistancemust be allowed for!Protected against reverse consumptionmax. 15mA (without load)Signal output *Square wave from push-pull output stage, DC coupled to the supply (0V = reference volt-age ), Load current max. 25mA,Output voltage HI: > Supply voltage - 4 Volt at Isource = 25mAOutput voltage LO: < 2 Volt at Isink = 25mAThe voltage drop as a result of the cable impedance and Zener barrier Series resistancemust be allowed for!

3 Short circuit Proof and protected against reverse range0, kHzNoise immunityIn accordance with 89/336/EG / EN 50081-2 / EN 50082-2 IsolationHousing, cable screen and electronics galvanically separated (500 V/50 Hz/ 1 Min.)Operating temperature *See tables on following pages. The restrictions given in the EC Type Examination Cer-tificate must be adhered *Stainless steel X12 CrNiS188, material number , front side hermetically sealed,electronic components potted in a chemical and age Proof according to table and drawings.

4 Maximum permissible tightening torque:12 Nm for M12x125 Nm for M14x135 Nm for M16x150 Nm for M18x175 Nm for M22x1 Protection classIP68 (Head), IP67 (cable connection), IP 54 (where connector used)Ex protection *II 2 G EEx ia IIC T6-T1 (explosive gas)II 2 D 147 C IP 65 (explosive dust)The restrictions given in the EC Type Examination Certificate must be adhered immunity5 gn in the range AG, Thannerstrasse 15, CH 4009 Basel nderungen : immunity50 gn during 20 ms, half sine wave to tablePole wheelFerromagnetic toothed wheel, material USt37-2, involute gear wheels preferred, Mod-ule 1, tooth width min.

5 6 mm, sidewise movement at min. tooth width< 0,2 mm, eccentricity < 0,2 mm. Pole wheel Sensor gap withModule 1: 0, ,0 mm Module 2: 0, ,5 mm Module 4: 0, ,5 mmVersion AHConnector per SHTeflon cable, 824L-35053, 4-pole, 4 x 0,24 mm (AWG 24), screened wires (meshscreen, isolated from housing), white outer shell max. 4,0 mm, bending radius min. 60mm, weight 32 g/m. The brown wire is not S2 HSilicone cable, Art-Nr. 824L-36622, 6-pole, 6* (AWG 20), screened wires (meshscreen, isolated from housing), black outer shell max.

6 13,0 mm, bending radius min. 30mm, weight 200 g/m. The brown, blue and orange wires are not used.* The maximum permissible operating temperature depends upon the following parameters, as shown in the table below: Sensor housing size Maximum available electrical power from the intrinsically safe Sensor power supply and from the intrinsically safe input circuit ofthe attached instrumentation and any Zener barriers. Ex Temperature class (T1-T6)Operating temperature for II 2 D T 147 C IP65 : -20 / + 100 CWhere dust clouds are present, the surface temperature of the Sensor must not exceed 2/3 of the ignition temperature ofthe corresponding dust / air the event of dust coatings being present, the surface temperature of the Sensor must not exceed the limits defined inEN temperature for II 2 G EEx ia T6-T1 : per table.

7 Sensor Typeormaximumavailablemaximum permissible operatingTemperature [ C]Housingsizeelectricalpower[mW]Ex hazardousareas:Temperature classExample Zener Barriers from STAHL (PTB 01 ATEX 2053)(Connection diagrams page 4)T1T2T3T4T5T6 Power supply & Signal path9001251251258348331 x 9001/011-280-075-10 & 1 x 9001/01-280-050-1016301251251259661462 x 9001/01-168-075-10152512512512510267521 x 9001/01-168-075-101 & 1 x 9001/01-168-050-10149012512512510469541 x 9001/01-280-050-101 & 1 x 9001/01-280-020-10139912512512510873581 x 9001/01-168-075-101 & 1 x 9001/01-168-020-1013001251251251137863-2 001251251251178267-1001251251251208974-D SF1210.

8 **501251251251209176-9001251251259055401 x 9001/01-280-075-101 & 1 x 9001/01-280-050-10163012512512510267522 x 9001/01-168-075-10152512512512510671561 x 9001/01-168-075-101& 1 x 9001/01-168-050-10149012512512510772571 x 9001/01-280-050-101 & 1 x 9001/01-280-020-10139912512512511176611 x 9001/01-168-075-101 & 1 x 9001/01-168-020-1013001251251251158065-2 001251251251208570-1001251251251208974-D SF1810.**501251251251209176-900125125125 9863481 x 9001/01-280-075-101 & 1 x 9001/01-280-050-10163012512512510772572 x 9001/01-168-075-10152512512512511075601 x 9001/01-168-075-101 & 1 x 9001/01-168-050-10149012512512511176611 x 9001/01-280-050-101 & 1 x 9001/01-280-020-10139912512512511479641 x 9001/01-168-075-101 & 1 x 9001/01-168-020-1013001251251251188368-2 001251251251208671-1001251251251209075-D SF2210.

9 **501251251251209176-JAQUET AG, Thannerstrasse 15, CH 4009 Basel nderungen : type tem-peratureThread(1) LEMO Connec-torMatingconnectorsupplied (2)Cablelength(4)[g][ C](1)DSF SHV Ex atex374Z-05066M12x12mClass T6-T1 DSF SHV Ex atex374Z-05067M18x12mClass T6-T1 DSF S2HV atex374Z-05068M18x15mClass T6-T1 DSF SHV Ex atex374Z-05069M22x12 mClass T6-T1 DSF S2HV Ex atex374Z-05071M22x15mClass T6-T1 DSF AHV Ex atex374Z-05072M22x1 ERA 2S-304 CLL(3)-Class T6-T1 DSF SHV Ex atex374Z-05070M22x12 mClass T6-T1(1)

10 The temperature and atmosphere limitations for each Sensor housing size, as shown in the table, must be observed and therestrictions given in the EC Type Examination Certificate must be adhered to.(2) Mating connector for cable diameter , other diameters on request.(3) Type FFA 2S 304 CLA C42 820A-35732(4) The limitations relating to permissible cable capacitance and inductance detailed in the EC Type Examination Certificate underEx power supply and instrumentation Ex input must be adhered to!ConnectionThe Sensor wires are sensitive to electrical following 2 points should therefore be noted: A screened 3 core cable must always be used for Sensor connections.