Special features Nominal (rated) torque: 15 kN?m, 20 kN?m, 25 kN?m, 30 kN?m, 40 kN?m, 50 kN?m, 60 kN?m, 70 kN?m and 80 kN?m Nominal (rated) rotational speed up to 8000 rpm (dependent on the measuring range) Compact design High permissible lateral forces High radial and torsional stiffness Without bearings or slip rings Digital transmission of measured values Large measurement frequency range up to 6 kHz (3 dB) Optional: rotational speed measuring system, reference signal Torque Flange T40FM Data sheet B32938.0 en 1 Overall concept Specifications TypeT40FM Accuracy class0.1 Torque measuring system, frequency output Nominal (rated) torque MnomkNm152025304050607080 Nominal (rated) rotational speed optional rpm rpm 6000 8000 4000 6000 3000 4500 Non-linearity including hysteresis, related to nominal (rated) sensitivity For a max. torque in the range: between 0% of Mnom and 20% of Mnom 20% of Mnom and 60% of Mnom 60% of Mnom and 100% of Mnom % % % ?0.03 (optional ?0.015) ?0.065 (optional ?0.035) ?0.1 (optional ?0.05) Relative standard deviation of reproducibility (variability), per DIN 1319, related to the variation of the output signal%?0.05 Temperature effect per 10 K in the nominal (rated) temperature range on the output signal, related to the actual value of the signal span %?0.1 on the zero signal, related to the nominal (rated) sensitivity %2 Output signal at zero torque Option SU2 Option DU2 Option HU2 kHz kHz kHz 10 60 240 Nominal (rated) output signal (RS422, 5 V symmetrical) with positive nominal (rated) torque, Option SU2 with positive nominal (rated) torque, Option DU2 with positive nominal (rated) torque, Option HU2 with negative nominal (rated) torque, Option SU2 with negative nominal (rated) torque, Option DU2 with negative nominal (rated) torque, Option HU2 kHz kHz kHz kHz kHz kHz 15 90 360 5 30 120 Load resistance 1)k?2 Long-term drift over 48 h at reference temperature, related to nominal (rated) sensitivity %?0.03 Measurement frequency range (3 dB) Option SU2 Option DU2 Option HU2 kHz kHz kHz 1 3 6 Group delay Option SU2 Option DU2 Option HU2 s s s 400 220 20% of Mnom and 60% of Mnom 60% of Mnom and 100% of Mnom % % % ?0.03 (optional ?0.015) ?0.065 (optional ?0.035) ?0.1 (optional ?0.05) Relative standard deviation of reproducibility (variability), per DIN 1319, related to the variation of the output signal%?0.05 Temperature effect per 10 K in the nominal (rated) temperature range on the output signal, related to the actual value of the signal span %?0.2 on the zero signal, related to the nominal (rated) sensitivity %10 Long-term drift over 48 h at reference temperature, related to nominal (rated) sensitivity %0.03 Measurement frequency range (3 dB) Option SU2 Option DU2 Option HU2 kHz kHz kHz 1 3 6 Residual ripple 3)mV 40 (peak-to-peak) Maximum modulation range 4) invalid measured value V V ?12 13 to 15 Torque measuring system in general Energy supply Nominal (rated) supply voltage (separated extralow voltage) VDC18 to 30 Current consumption in measuring modeA1 (typ. 0.3 for a 20 V supply voltage) in startup modeA4 (typ. 2) for max. 50s Nominal (rated) power consumptionW10 (typ. 6) Maximum cable lengthm50 Shunt Tolerance of the shunt signal, related to Mnom at reference temperature %2.5 Shunt signal offV0.7 3) Signal frequency range 0.1 to 10 kHz. 4) Output signal range in which there is a repeatable correlation between torque and output signal. B32938.0 enHBM 3 Specifications (continued) Rotational speed measuring system Nominal (rated) torque MnomkNm152025304050607080 Measurement systemMagnetic, via AMR sensor (Anisotropic Resistive Effect) and magnetized plastic ring with embedded steel ring Magnetic poles158186204 Maximum positional variation of the poles?50 angular seconds Output signalV5 V symmetrical (RS422); 2 square wave signals approx. 90 phase shifted Pulses per revolution1024 Minimum rotational speed for sufficient pulse stability rpm 0 Pulse tolerance 5)degrees?0.05 Maximum permissible output frequencykHz420 Group delays150 Radial nominal (rated) distance between sensor head and magnetic ring (mechanical distance) mm1.6 Working distance range between sensor head and magnetic ring 6) mm0.4 to 2.5 Max. permissible axial displacement of the rotor to the stator 7) mm?1.5 Hysteresis of direction of rotation reversal in the case of relative vibrations between rotor and stator Torsional vibration of the rotordegreesapprox. 0.2 Horizontal stator vibration displacementmmapprox. 0.5 Load resistance 8)k2 Reference signal measuring system (0 index) Measurement systemMagnetic, with Hall sensor and magnet Output signalV5 V symmetrical (RS 422) Pulses per revolution1 Minimum rotational speed for sufficient pulse stability rpm 2 Pulse width, approx.degrees0.088 Pulse tolerance 5)degrees?0.05 Group delays100200350 Longitudinal limit force (static)kN60120240 Lateral limit force (static)kN80160240 Limit bending moment (static)Nm60001200024000 Oscillation wi