Encoders without bearings - absolute Absolute encoder, sensor head with integrated FPGA signal processing Magnetic sensing, through hollow shaft max. ø340 mm, singleturn 8...17 Bit Additional 1…524288 pulses or 1…32768 sinewave cycles per turn MHAP 400 - HDmag Features –– Absolute encoder with magnetic sensing and without bearings –– Sensor head with integrated FPGA signal processing –– Absolute resolution max. 17 bit singleturn –– Additional incremental output –– Robust and wearless –– Electronics is fully encapsulated –– High protection standard –– Large tolerances: axial ±1 mm, radial max. 0.5 mm –– Simple mounting, easy adaptation Technical data - electrical ratings (SinCos) Interference immunity EN 61000-6-2 Voltage supply 4.5...30 VDC Emitted interference EN 61000-6-3 Consumption w/o load ≤300 mA Approval CE Sinewave cycles per turn 1...32768 Phase shift 90° ±5° Technical data - electrical ratings (SSI) Sensing method Magnetic Voltage supply 4.5...30 VDC Output signals A+, A-, B+, B- Interface SSI Output stages SinCos 1 Vpp Function Singleturn ≤20 mV Steps per turn ≤131072 / 17 bit Difference of SinCos amplitude Sensing method Magnetic Harmonics typ. -40 dB Code Gray or binary DC offset ≤20 mV Code sequence CW default Bandwidth 400 kHz (-3 dB) Additional output signals Square-wave TTL (RS422) Square-wave universal HTL/ TTL SinCos Interference immunity EN 61000-6-2 Emitted interference EN 61000-6-3 Technical data - mechanical design Technical data - electrical ratings (square-wave) Sensor head FPGA signal processing Size (flange) ø406.8 mm Axial tolerance ±1 mm (wheel/head) Radial tolerance 0.1...0.5 mm (wheel/head) Shaft type ø70...340 mm (through hollow shaft) Voltage supply 4.5...30 VDC Protection DIN EN 60529 IP 67 (head), IP 68 (wheel) Consumption w/o load ≤300 mA Operating temperature -20...+85 °C Pulses per revolution 1...524288 Operating speed ≤2000 rpm Phase shift 90° ±10° Resistance Scan ratio 40...60 % Sensing method Magnetic Output frequency ≤2 MHz IEC 60068-2-6 Vibration 30 g, 55-2000 Hz IEC 60068-2-27 Shock 300 g, 2 ms Output signals A+, A-, B+, B- Accuracy of magnetic measure ±150 ″ Output stages HTL TTL/RS422 Connection Flange connector M23, 17-pin 1 www.baumer.com/motion 5/3/2015 Technical data - electrical ratings Subject to modification in technic and design. Errors and omissions excepted. –– Several mounting possibilities MHAP 400 - Version for axial screw mounting Encoders without bearings - absolute Absolute encoder, sensor head with integrated FPGA signal processing Magnetic sensing, through hollow shaft max. ø340 mm, singleturn 8...17 Bit Additional 1…524288 pulses or 1…32768 sinewave cycles per turn MHAP 400 - HDmag Part number MHAP 400 B5 S D Pulse number/sinewave cycles - see table P R U Z Voltage supply / signals 4,5...30 VDC / SinCos 4,5...30 VDC / square-wave (TTL) 5...30 VDC / square-wave (5 VDC = TTL / 10...30 VDC = HTL universal) Without additional output signals Parity bit O Odd E Even N None Resolution Singleturn (bit) 8, 9, 10, 11, 12, 13, 14, 15, 16, 17 Code B Binary code G Gray code Mounting type / hollow shaft (ø mm) Screw mounting G160, G180, G210, G230, G250, G300, G310, G340 Clamping set mounting Z70, Z75, Z80, Z85, Z90, Z95, Z100, Z110, Z120, Z130, Z140, Z150, Z160 Shrink fit mounting H160, H180, H210, H230, H250, H300, H310, H340 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 Maximum sinewave cycles 32768 for SinCos output. 2 www.baumer.com/motion 5/3/2015 1 2 4 8 Subject to modification in technic and design. Errors and omissions excepted. Pulse number/sinewave cycles Encoders without bearings - absolute Absolute encoder, sensor head with integrated FPGA signal processing Magnetic sensing, through hollow shaft max. ø340 mm, singleturn 8...17 Bit Additional 1…524288 pulses or 1…32768 sinewave cycles per turn MHAP 400 - HDmag Data transfer Terminal assignment Without parity bit T View A Flange connector M23, 17-pin, male, CW Clock Tm Data Dn Dn-1 Dn-2 Dn-3 D3 D2 MSB D1 LSB With parity bit T Clock Tm Data Dn Dn-1 Dn-2 Dn-3 D3 D2 MSB T = Tm = D1 Pty LSB Assignment 1 Do not use 2 Do not use 3 Do not use 4 Do not use 5 Do not use 6 Do not use 7 +UB 8 SSI Clock+ 9 SSI Clock- 10 Parity bit 0.5 ... 10 µs 15 µs Taktfrequenz Pin ≤2MHz Output signals 11 Internal shield 12 B+ * 13 B- * 14 SSI Data+ 15 A+ * 16 A- * 17 SSI Data- * Do not use in version without incremental output Version with additional square-wave signals HTL oder TTL at positive rotating direction 11 1 2 12 10 16 13 3 9 15 17 14 4 8 5 7 6 A+ A90° B- 0.5 V Version with additional SinCos signals at positive rotating direction 2.5 V A+ A- 1V 360° el. Cos = [A+] – [A-] Sin = [B+] – [B-] 1V 90° el. 3 www.baumer.com/motion 5/3/2015 Subject to modification in technic and design. Errors and omissions excepted. B+ Encoders without bearings - absolute Absolute encoder, sensor head with integrated FPGA signal processing Magnetic sensing, through hollow shaft max. ø340 mm, singleturn 8...17 Bit Additional 1…524288 pulses or 1…32768 sinewave cycles per turn MHAP 400 - HDmag Dimensions Version for axial screw mounting el En co Positive rotating direction ° = 360 6x 60 ° ø ø ø ø ø 6x ø6.5 ø Check the flush alignment of the encoder wheel and the sensor head on mounting ø ø 3x Jack-screw thread M6 Air gap Zero position * With air gap 0.3 mm Incremental track ø he de r w Absolute track Sensor head A ±1 mm øA = 160-340 øB = øA+20 HM08M28781 Version for clamping set mounting ø ø ø ø Clamping set Check the flush alignment of the encoder wheel and the sensor head on mounting * With air gap 0.3 mm A Sensor head Air gap Zero position ø ø ±1 mm øA = 70-160 4 HM08M28935 www.baumer.com/motion Subject to modification in technic and design. Errors and omissions excepted. Positive rotating direction 5/3/2015 el ø he Incremental track En co de rw Absolute track Encoders without bearings - absolute Absolute encoder, sensor head with integrated FPGA signal processing Magnetic sensing, through hollow shaft max. ø340 mm, singleturn 8...17 Bit Additional 1…524288 pulses or 1…32768 sinewave cycles per turn MHAP 400 - HDmag Dimensions Version for shrink fit mounting el Incremental track Positive rotating direction ø En co ø he de r w Absolute track ±1 mm HM08M28866 ø Subject to modification in technic and design. Errors and omissions excepted. øA = 160-340 øB = øA+20 5 www.baumer.com/motion 5/3/2015 Air gap A ø ø * With air gap 0.3 mm Check the flush alignment of the encoder wheel and the sensor head on mounting 3x Jack-screw thread M8 Zero position Sensor head Shrink fit ø ø ø ø Encoders without bearings - absolute Absolute encoder, sensor head with integrated FPGA signal processing Magnetic sensing, through hollow shaft max. ø340 mm, singleturn 8...17 Bit Additional 1…524288 pulses or 1…32768 sinewave cycles per turn 6 www.baumer.com/motion 5/3/2015 Subject to modification in technic and design. Errors and omissions excepted. MHAP 400 - HDmag