EF6 Pressure transmitter for railway applications Main features Robust stainless housing for harsh environment conditions Accuracy of 0.5% FS Compensated temperature range -40 °C ... +85 °C for stable pressure measurements Tested according railway standard EN 50155:2007 External programming of zero point and span with FlexProgrammer 9701 Applications Railway braking systems Railway cooling systems for power generation Interior cooling systems Pneumatic subsystems Technical specifications Measuring principle Thick film on ceramic Measuring ranges 0 … 2.5 bar up to 0 … 250 bar Type of pressure Relative Accuracy (20 °C) 0.5% FS (includes linearity, hysteresis, repeatability, error of span and zero point according limit point adjustment) Zero thermal drift ≤ ± 0.08% FS/10 K Span thermal drift ≤ ± 0.08% FS/10 K Long term stability 0.2% FS / Year Response time (10 … 90%) ≤ 5 ms Process connections See page 3 Output signal / Power supply Load impedance Current ouput Voltage output 4 … 20 mA / 8 … 32 VDC 0…10 V / 13 … 32 VDC Dielectric strength 500 VAC for 1 min -55 ... + 120°C -20 ... + 60°C -50 ... + 125°C -50 ... + 85°C RΩ = (Usupply-8 V) / 20 mA > 5 KΩ Insulation resistance >100 MΩ at 500 VDC (optional >100 MΩ at 1000 VDC) Electrical connections See page 3 Material Process connection SS 1.4404 AISI 316L Housing Environment Temperature Storage Compensated range Medium Ambient Electrical specification SS 1.4301 AISI 304 Diaphragm Ceramic (96% Al2O3) Sealing FVMQ, NBR, EPDM, FKM (Viton®) IP65 (EN 60529) up to IP67 depending on electrical connection Shocks & Vibrations test IEC 61373 2014-07-15 Protection rating Design and specifications subject to change without notice Temperature specifications can differ in dependance of sealing material www.baumer.com Data sheet A11.32 Page 1 / 4 EF6 Pressure transmitter for railway applications Approvals CE conformity Directive 2004/108/CE Railway standard EN 50155:2007 EMC EN 55011 EN 61000-4 (2, 3, 4, 5, 6, 8, and 11) EMC testing procedure EN 50121-3-2 Measuring ranges and overpressure safety Pressure in bar Pressure range 0 ... 2.5 0 ... 4 0 ... 6 0 ... 10 0 ... 16 0 ... 25 0 ... 40 Over pressure 4 8 12 20 32 50 80 Burst pressure 7 12 18 30 48 75 120 Pressure in bar Pressure range 0 ... 60 0 ... 100 0 ... 160 0 ... 250 Over pressure 120 200 320 360 Burst pressure 180 300 480 480 *Increased overpressure resistance on request Total error band Accuracy 0.5 % FS -10 °C … + 60 °C % +1 0.5 0 -0.5 -10 +20 +60 +85 °C 2014-07-15 -40 Design and specifications subject to change without notice -1 www.baumer.com Data sheet A11.32 Page 2 / 4 EF6 Pressure transmitter for railway applications Electrical connections Signal at 4...20 mA Connector DIN 43650 M12 4-pins +VS 3 IOUT n.c. 4 1 3 2 n.c. IOUT +VS 1 2 n.c. earth earth Signal at 0...10V Connector DIN 43650 Field housing M12 Cable 4-pins output +VOUT +VS 3 GND (Red) / +VS / +VS 4 1 3 2 n.c. / +VOUT (Blue) / IOUT / GND GND IOUT / GND +VOUT (White) / n.c. / +VOUT +VS / +VS (Shield) / earth +VOUT 2 4 3 2 1 1 Not included in delivery clamping range: 8...10 mm +V S (Shield) / earth earth earth Dimensions (mm) Ø 34.5 Field housing 12.5 M12 (Red) / +VS / +VS (Blue) / IOUT / GND n.c. / +VOUT IOUT / GND (White) / n.c. / +VOUT +VS / +VS 4 3 2 1 (Shield) / earth 49.5 52.5 (Shield) / earth Not included in delivery clamping range: 8...10 mm Ø 22.1 7.5 7.5 Ø 22.1 Hexa.: 23/flat Hexa.: 23/flat Ø25 / angle Ø25 / angle Design and specifications subject to change without notice Cable output www.baumer.com G1/4 EN837 23 G1/2 EN837 G1/4 Female Data sheet A11.32 2014-07-15 G 1/4 DIN 3852-E 15 15 Hydraulic connections Page 3 / 4 EF6 Pressure transmitter for railway applications Ordering details EF6 Model Pressure transmitter Customer name Electrical + Process connection DIN 43650 + G½ EN837 M12 + G½ EN837 M12 + G¼ EN837 DIN 43650 + G¼ female DIN 43650 + G¼ EN837 DIN 43650 + G¼ DIN 3852 M12 + G¼ DIN 3852 Options With DIN 43650 standard screw or no connector when M12 With DIN 43650 with knurl screw Pressure range and unit in bar 0...2.5 0...4 0...6 0...10 0...16 0...25 0...40 0...60 0...100 0...160 0...250 *Customized pressure ranges on request EF6 – EF6 – xxxx . x . x . xxx . x . xx . x xxxx . 1 2 3 4 5 6 7 . 0 1 . B18 B19 B20 B22 B24 B26 B27 B29 B31 B33 B35 . Kind of pressure Relative R Output signal 4...20mA 0...10V . A1 A2 Sealing FVMQ (standard) NBR EPDM FKM (Viton®) . 2014-07-15 Design and specifications subject to change without notice 0 1 2 3 www.baumer.com Data sheet A11.32 Page 4 / 4