Encoders without bearings - absolute Magnetic sensor bore max. ø12 mm Magnetic single- or multiturn encoders / kit 12 bit ST / 13 bit MT BMSK 58, BMMK 58 SSI - MAGRES Features –– Encoder kit single- or multiturn / SSI –– Magnetic sensing –– Resolution: singleturn 12 bit, multiturn 13 bit –– High protection standard –– High resistance to shock and vibrations –– Reset input Technical data - mechanical design Voltage supply 5 VDC ±10 % 10...30 VDC Size (flange) ø58 mm 100 mA (5 VDC, w/o load) 50 mA (24 VDC, w/o load) Shaft type ø12 mm (magnet bore) Protection DIN EN 60529 IP 67 Gap tolerance ≤0.3 mm axial ≤0.1 mm radial Operating temperature -20...+85 °C Operating speed ≤12000 rpm (mechanical) ≤6000 rpm (electric) Resistance DIN EN 60068-2-6 Vibration 30 g, 10-2000 Hz DIN EN 60068-2-27 Shock 100 g, 6 ms Materials Housing: steel/aluminium Flange: aluminium Relative humidity 95 % Connection Connector M12, 8-pin Connector M23, 12-pin Cable Weight approx. 300 g Consumption typ. Sensing method Magnetic Initializing time typ. 170 ms after power on Steps per turn 4096 / 12 bit Output stages SSI data: linedriver RS485 Absolute accuracy ±1 ° Interface SSI Code Gray or binary Code sequence CW: ascending values with clockwise sense of rotation; looking at flange Inputs SSI clock Zero setting input Interference immunity DIN EN 61000-6-2 Emitted interference DIN EN 61000-6-3 Approval UL approval / E217823 BMSK 58 Function Singleturn BMMK 58 Number of turns 8192 / 13 bit Function Multiturn 1 www.baumer.com/motion 7/3/2014 Technical data - electrical ratings Subject to modification in technic and design. Errors and omissions excepted. BMMK 58 SSI kit Encoders without bearings - absolute Magnetic sensor bore max. ø12 mm Magnetic single- or multiturn encoders / kit 12 bit ST / 13 bit MT BMSK 58, BMMK 58 SSI - MAGRES Part number Singleturn Multiturn BMSK 58S1 12/00 12 BMMK 58S1 12/13 12 Connection 5 Cable radial A Connector M23, radial N Connector M12, radial Connection 5 Cable radial A Connector M23, radial N Connector M12, radial Solid shaft 12 ø12 mm magnet bore Solid shaft 12 ø12 mm magnet bore Resolution 12/00 12 bit singleturn Resolution 12/13 12/13 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 10116717 Female connector M23, 12-pin, straight 10153334 Female connector M23, 12-pin, straight, 2 m cable 10153335 Female connector M23, 12-pin, straight, 5 m cable 10146775 Female connector M12, 8-pin, straight 10127844 Female connector M12, 8-pin, straight, shielded, 2 m 10129332 Female connector M12, 8-pin, straight, shielded, 5 m cable Mounting accessories for BMSK 58 10110616 Clamp set ø15 mm Mounting accessories for BMMK 58 2 10110616 Clamp set ø15 mm 10112432 Hexagon wrench 2.5 mm www.baumer.com/motion Subject to modification in technic and design. Errors and omissions excepted. Connectors and cables tm 7/3/2014 T=1/f Encoders without bearings - absolute Magnetic sensor bore max. ø12 mm Magnetic single- or multiturn encoders / kit 12 bit ST / 13 bit MT BMSK 58, BMMK 58 SSI - MAGRES Terminal significance Terminal assignment +Vs Encoder supply voltage. 0V Encoder ground connection relating to +Vs. Cable / Connector M23 male for connection references -A and -5 Data+ Positive, serial data output of differential linedriver. Connector Core colour Signals Description Pin 1 yellow Clock- Clock signal Data- Negative, serial data output of differential linedriver. Pin 2 green Clock+ Clock signal 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. Pin 3 grey Data+ Data signal Pin 4 pink Data- Data signal Pin 5 blue Zero Zero setting input Pin 6 – n.c. – Pin 7 – n.c. – Pin 8 – n.c. – Pin 9 red d.u. do not use Pin 10 – n.c. – Pin 11 brown +Vs Supply voltage Pin 12 white 0V Supply voltage 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 Ascending position values when looking at the flange and rotating the shaft clockwise. 9 8 1 2 12 10 7 6 3 4 11 5 Connector M12 male for connection reference -N 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 5 6 7 4 3 8 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. 7/3/2014 Clock- Encoders without bearings - absolute Magnetic sensor bore max. ø12 mm Magnetic single- or multiturn encoders / kit 12 bit ST / 13 bit MT BMSK 58, BMMK 58 SSI - MAGRES Dimensions BMSK/BMMK 58 SSI cable radial 14,8 ±0,3 BMSK/BMMK 58 SSI connector M23 radial M4x6 3x120° 14,8 ±0.3 M4x6 3 x 120° 60° M4 M4 42 2,2 2 1 ø 12 H7 x 8 ø 12 H7 x8 ø 31,1 ø 31,1 60° 50 31 0 -0,025 2,2 2 58 h10 1 42 50 38 0 -0.025 58 h10 BMSK/BMMK 58 SSI connector M12 radial M4x6 3x120° 60° M4 2 1 42 50 31 Subject to modification in technic and design. Errors and omissions excepted. 2,2 0 -0.025 58 h10 4 www.baumer.com/motion 7/3/2014 ø 12 H7 x 8 ø 31,1 14,8 ±0.3