Encoders without bearings - absolute Magnetic sensor bore max. ø8 mm Magnetic single- or multiturn encoders / kit 10 bit ST / 15 bit MT BMSK 30, BMMK 30 SSI - MAGRES Features –– Mini encoder / kit single- or multiturn / SSI –– Magnetic sensing –– Resolution: singleturn 10 bit, multiturn 15 bit –– Housing ø30 mm –– High protection standard –– High resistance to shock and vibrations –– Reset input Technical data - mechanical design Voltage supply Size (flange) ø30 mm Shaft type ø5 mm (magnet bore) ø6 mm (magnet bore) ø8 mm (magnet bore) 5 VDC ±10 % 10...30 VDC Consumption typ. 100 mA (5 VDC, w/o load) 50 mA (24 VDC, w/o load) Sensing method Magnetic Protection DIN EN 60529 IP 67 Initializing time typ. 70 ms after power on Gap tolerance Steps per turn 1024 / 10 bit ≤0.3 mm axial ≤0.1 mm radial Output stages SSI data: linedriver RS485 Operating temperature -20...+85 °C Absolute accuracy ±1 ° Operating speed ≤6000 rpm Interface SSI Resistance Code Gray or binary Code sequence CW: ascending values with clockwise sense of rotation; looking at flange DIN EN 60068-2-6 Vibration 30 g, 10-2000 Hz DIN EN 60068-2-27 Shock 100 g, 6 ms Materials SSI clock Zero setting input Housing: steel Flange: aluminium Relative humidity 95 % Connection Connector M9, 8-pin Cable 1 m Inputs Interference immunity DIN EN 61000-6-2 Emitted interference DIN EN 61000-6-3 Approval UL approval / E217823 BMSK 30 Weight approx. BMSK 30 Function BMMK 30 Singleturn Weight approx. BMMK 30 Number of turns 32768 / 15 bit Function Multiturn 60 g 1 70 g www.baumer.com/motion 27/1/2015 Technical data - electrical ratings Subject to modification in technic and design. Errors and omissions excepted. BMMK 30 SSI kit Encoders without bearings - absolute Magnetic sensor bore max. ø8 mm Magnetic single- or multiturn encoders / kit 10 bit ST / 15 bit MT BMSK 30, BMMK 30 SSI - MAGRES Part number Singleturn Multiturn BMSK 30S1 10/00 BMMK 30S1 10/15 Connection 4 Cable 1 m, axial 5 Cable 1 m, radial 6 Connector M9, axial 9 Connector M9, radial Connection 4 Cable 1 m, axial 5 Cable 1 m, radial 6 Connector M9, axial 9 Connector M9, radial Solid shaft 05 ø5 mm magnet bore 06 ø6 mm magnet bore 08 ø8 mm magnet bore Solid shaft 05 ø5 mm magnet bore 06 ø6 mm magnet bore 08 ø8 mm magnet bore Resolution 10/00 10 bit singleturn Resolution 10/15 10/15 bit single-/multiturn Voltage supply / signals 05C 5 VDC / SSI 24C 10...30 VDC / SSI Voltage supply / signals 05C 5 VDC / SSI 24C 10...30 VDC / SSI Code G Gray code N Binary code Code G Gray code N Binary code Accessories Data transfer clock data tv bit n bit n-1 bit 3 bit 2 bit 1 Clock frequency f 100...1000 kHz Duty cycle of T 40...60 % Delay time tv 200 ns Monoflop time tm 20 µs + T/2 10132983 Female connector M9, 8-pin, straight 11094664 Female connector M9, 8-pin, straight, shielded, 2 m cable 11094665 Female connector M9, 8-pin, straight, shielded, 5 m cable Mounting accessories 2 10106004 Clamp set ø10 mm 10112433 Hexagon wrench 2 mm www.baumer.com/motion Subject to modification in technic and design. Errors and omissions excepted. Connectors and cables tm 27/1/2015 T=1/f Encoders without bearings - absolute Magnetic sensor bore max. ø8 mm Magnetic single- or multiturn encoders / kit 10 bit ST / 15 bit MT BMSK 30, BMMK 30 SSI - MAGRES Terminal significance Terminal assignment +Vs 0V Encoder ground connection relating to +Vs. Cable for connection references -4 and -5 Data+ Positive, serial data output of differential linedriver. Core colour Signals Description brown +Vs Supply voltage Data- Negative, serial data output of differential linedriver. white 0V Supply voltage Clock+ Positive SSI clock input. Clock+ together with Clock- forms a current loop. A current of approx. 7 mA towards Clock+ input means logic 1 in positive logic. grey Data+ Data signal pink Data- Data signal green Clock+ Clock signal yellow Clock- Clock signal blue Zero Zero setting input red d.u. do not use Rot. direction Input for setting a zero point anywhere within the encoder resolution. The zero setting operation is triggered by a Low impulse. Connect to +Vs after setting operation for maximum interference immunity. Impulse duration >2 ms. Screen connected to housing Cable data 8 x 0,14 mm2 Connector M9 male for connection references -6 and -9 Ascending position values when looking at the flange and rotating the shaft clockwise. Connector Signals Description Pin 1 0V Supply voltage Pin 2 +Vs Supply voltage Pin 3 Clock+ Clock signal Pin 4 Clock- Clock signal Pin 5 Data+ Data signal Pin 6 Data- Data signal Pin 7 Zero Zero setting input Pin 8 d.u. do not use 4 5 6 3 8 7 1 2 Trigger level 3 Control inputs Input circuit Input level Low <0,4 V (>2 ms) Input level High +Vs or open www.baumer.com/motion Subject to modification in technic and design. Errors and omissions excepted. Zero Negative SSI clock input. Clock- together with Clock+ forms a current loop. A current of approx. 7 mA towards Clock- input means logic 0 in positive logic. 27/1/2015 Clock- Encoder supply voltage. Encoders without bearings - absolute Magnetic sensor bore max. ø8 mm Magnetic single- or multiturn encoders / kit 10 bit ST / 15 bit MT BMSK 30, BMMK 30 SSI - MAGRES Dimensions BMSK/BMMK 30 SSI cable axial 8,5 ±0,3 BMSK/BMMK 30 SSI cable radial 8,5 ±0,3 M3 x 5 3 x 120° M3 x 5 3 x 120° 5,5 M3 M3 13 ø 14 0 -0,018 2,2 2 1 BMSK/BMMK 30 SSI connector output axial 8,5 ±0,3 23 30 38,5 BMSK/BMMK 30 SSI connector output radial 8,5 ±0,3 M3 x 5 3 x 120° M3 x 5 3 x 120° 5,5 M3 M3 8 0 -0,018 0 -0,084 ø 14 2 38,5 23 30 4 www.baumer.com/motion 27/1/2015 Subject to modification in technic and design. Errors and omissions excepted. 1 11,5 ø d H7 x 9 10 2,2 ø 16 38,5 23 30 ø 27 1 2,2 2 ø d H7 x 9 ø 14 0 -0,018 ø 16 ø 27 0 -0,084 6 5,5 8,5 ø d H7 x 9 14 23 30 ø 16 38,5 0 -0,084 2,2 2 ø 27 1 ø d H7 x 9 ø 14 0 -0,018 ø 16 ø 27 0 -0,084 7,5 5,5