Encoders without bearings - incremental Sensor head with split wheel and magnetic tape for shaft ø90...300 mm 512...131072 pulses or 512...16384 sinewave cycles per turn MIR 350A - HDmag flex Features –– Bearingless incremental encoder with magnetic sensing –– Split wheel design for easiest mounting on installed shafts –– Very large axial tolerances ±8 mm –– Max. 131072 pulses per revolution –– Status indication via system OK output and LED –– Robust and wearless –– Fully encapsulated electronics IP 67 –– Corrosion protection for offshore applications Technical data - electrical ratings Technical data - mechanical design Voltage supply 4.75...30 VDC Dimensions (sensor head) 165 x 25 x 93 mm Consumption w/o load ≤300 mA (24 VDC) 350 mm Sensing method Magnetic Outer diameter adapter wheel Output signals A+, B+, R+, A-, B-, R- 40 mm Initializing time ≤1000 ms after power on Over all depth adapter wheel Status indicator Color-LED, system OK output Shaft type Interference immunity EN 61000-6-2 ø90...300 mm (through hollow shaft) Emitted interference EN 61000-6-3 Axial tolerance ±8 mm (belt to head) Approval CE Radial tolerance 1...3 mm (belt to head) Shaft diameter tolerance -0.4...0 mm Protection DIN EN 60529 IP 67 Operating temperature -40...+85 °C Technical data - electrical ratings (square-wave) Pulses per revolution 512...131072 Operating speed 2000 rpm Phase shift 90° ±2° Resistance Scan ratio 45...55 % Reference signal Zero pulse, width 90° Output frequency ≤500 kHz (HTL) ≤2 MHz (TTL) IEC 60068-2-6 Vibration 30 g, 10-2000 Hz IEC 60068-2-27 Shock 300 g, 6 ms Materials Output stages HTL TTL/RS422 Housing: aluminium alloy Adapter wheel: stainless steel Connection Flange connector M23, 12-pin Weight approx. 880 g (head), 13 kg (wheel with belt, bore size ø90 mm), 12.5 kg (wheel with belt, bore size ø150 mm), 7 kg (wheel with belt, bore size ø299 mm) Technical data - electrical ratings (SinCos) Sinewave cycles per turn 512...16384 Phase shift 90° ±2° Reference signal Zero pulse, width 360° Output frequency ≤500 kHz Output stages SinCos 1 Vpp 1 www.baumer.com/motion 12/11/2015 MIR350A Subject to modification in technic and design. Errors and omissions excepted. Optional Encoders without bearings - incremental Sensor head with split wheel and magnetic tape for shaft ø90...300 mm 512...131072 pulses or 512...16384 sinewave cycles per turn MIR 350A - HDmag flex Part number MIR350A- .... . M . . A Operating temperature A -40...+85 °C Pulse number/sinewave cycles - see table Voltage supply / output stages Q 4,75...30 VDC, HTL (Vin = Vout), 6 channel F 4,75...30 VDC, TTL/RS422, 6 channel T 4,75...30 VDC, SinCos (1 Vpp), 6 channel Connection M Flange connector M23, tangential 12-pin, male contacts ccw Shaft diameter (mm) 0090...0300 Pulse number/sinewave cycles 512 720 1000 1024 2048 4096 5000 8192 10000 Accessories Connectors and cables 16384 32768 131072 Sensor cable for encoders 11068549 Mating connector M23, solder version, 12-pin, CW Subject to modification in technic and design. Errors and omissions excepted. Other pulse numbers/sinewave cycles on request. Maximum sinewave cycles 16384 for SinCos output. HEK 8 2 www.baumer.com/motion 12/11/2015 .... Encoders without bearings - incremental Sensor head with split wheel and magnetic tape for shaft ø90...300 mm 512...131072 pulses or 512...16384 sinewave cycles per turn MIR 350A - HDmag flex Output signals Terminal assignment Version with square-wave signals HTL oder TTL at positive rotating direction View A Flange connector M23, 12-pin, male contacts, CCW A+ A- B+ BR+ (Zero pulse+) 90° R(Zero pulse-) Pin Assignment 1 B- / SIN- 2 System OK- 3 R+ (Zero pulse) 4 R- (Zero pulse inv.) 5 A+ / COS+ 6 A- / COS- 7 Do not use 8 B+ / SIN+ 9 Do not use 10 0V 11 System OK+ 12 +UB No error if „System OK“ output = HIGH Version with sinewave signals at positive rotating direction 1 2 3 0.5 V 2.5 V 12 4 11 7 6 5 A- 90° el. R = [R+] – [R-] (Zero pulse) 1V B = [SIN+] – [SIN-] 0.5 V 360° el. 3 www.baumer.com/motion 12/11/2015 A = [COS+] – [COS-] Subject to modification in technic and design. Errors and omissions excepted. 1V A+ 360° el. 9 8 10 Encoders without bearings - incremental Sensor head with split wheel and magnetic tape for shaft ø90...300 mm 512...131072 pulses or 512...16384 sinewave cycles per turn MIR 350A - HDmag flex Dimensions Positive rotating direction ød = Shaft diameter 90...300 Stretching screw X Detail Y Magnetic belt with stainless steel carrier 1.5+1.5 -0.5 Air gap Sensor head Mating connector ±8 mm 4 www.baumer.com/motion Subject to modification in technic and design. Errors and omissions excepted. A Detail X 12/11/2015 Y Belt lock