Incremental encoders Mini series - blind or through hollow shaft 10…2048 pulses per revolution BHK Features –– Mini encoder with blind or through hollow shaft –– Optical sensing method –– Max. 2048 pulses per revolution –– Housing ø40 mm –– Operation speed max. 12000 rpm –– Blind or through hollow shaft –– Versatile mounting accessories Technical data - mechanical design Voltage supply Size (flange) ø40 mm Shaft type ø6 mm (through hollow shaft) ø12 mm (blind hollow shaft) Protection DIN EN 60529 IP 42, IP 65 Operating speed ≤12000 rpm Operating torque typ. 0.0021 Nm (IP 42) 0.0075 Nm (IP 64) Materials Housing: polyamide black Flange: aluminium 5 VDC ±10 % 10...30 VDC Consumption typ. 60 mA (5 VDC, w/o load) 30 mA (24 VDC, w/o load) Pulses per revolution 10...2048 Reference signal Zero pulse, width 90° Sensing method Optical Output frequency ≤100 kHz Output signals A 90° B, N + inverted Output stages Linedriver/RS422 Push-pull short-circuit proof Operating temperature -20...+85 °C Relative humidity 95 % non-condensing Interference immunity DIN EN 61000-6-2 Resistance Emitted interference DIN EN 61000-6-3 Approval UL approval / E217823 DIN EN 60068-2-6 Vibration 10 g, 10-200 Hz DIN EN 60068-2-27 Shock 50 g, 11 ms Connection Connector M9, 5-pin Connector M9, 8-pin Cable 1 m Weight approx. 100 g 1 www.baumer.com/motion 13/8/2015 Technical data - electrical ratings Subject to modification in technic and design. Errors and omissions excepted. BHK with blind hollow shaft Incremental encoders Mini series - blind or through hollow shaft 10…2048 pulses per revolution BHK Part number Accessories BHK 16. - Connectors and cables Connection 5 Cable 1 m, radial 9 Connector radial Hollow shaft B2 Blind hollow shaft ø12 mm, IP 42, with clamping ring B6 Through hollow shaft ø6 mm, IP 42, with clamping ring E6 Through hollow shaft ø6 mm, IP 64, with clamping ring 10132983 Female connector M9, 8-pin, straight 11094664 Female connector M9, 8-pin, straight, 2 m cable 11094665 Female connector M9, 8-pin, straight, 5 m cable 11094660 Female connector M9, 5-pin, straight, 2 m cable 11094662 Female connector M9, 5-pin, straight, 5 m cable Mounting accessories Pulse number - see table Voltage supply / signals 05A 5 VDC / antivalent (TTL compatible) 24K 10...30 VDC / push-pull short-circuit proof 10158423 Set of spring washers (round) for hollow shaft encoder (<ø8 mm) 10158424 Set of spring washers (square) for hollow shaft encoder (≥ø8 mm) Pulse number 10 20 30 50 60 100 120 200 250 360 500 1000 1024 2000 2048 Other pulse numbers on request. Complementary Linedriver RS422 Output level High >2,4 V (I = -20 mA) Output level Low <0,4 V (I = 20 mA) Load High <20 mA Load Low <20 mA Outputs 24K (125 Ω) Push-pull short-circuit protection Output level High >+Vs - 5,7 V (I = -30 mA) Output level Low <5,7 V (I = 30 mA) Load High <30 mA Load Low <30 mA 2 www.baumer.com/motion 13/8/2015 Outputs 05A Subject to modification in technic and design. Errors and omissions excepted. Trigger level Incremental encoders Mini series - blind or through hollow shaft 10…2048 pulses per revolution BHK Terminal assignment Cable for connection reference -5 05A Connector M9 male for connection reference -9 05A 24K Core colour Signals Core colour brown +Vs brown green CHA green red CHA compl. – – Pin 3 green CHA yellow CHB yellow CHB Pin 4 yellow CHB Signals Connector Core colour* Signals +Vs Pin 1 white 0V CHA Pin 2 brown +Vs blue CHB compl. – – Pin 5 grey CHN compl. pink CHN pink CHN Pin 6 pink CHN grey CHN compl. – – Pin 7 blue CHB compl. 0V Pin 8 red CHA compl. Connector Core colour* Signals Output signals Pin 1 white 0V Counter clockwise rotating direction when looking at the flange. 05A Pin 2 brown +Vs Pin 3 brack CHA Pin 4 blue CHB CHA Pin 5 grey CHN CHA comp. *these core colours are valid for the assembled mating connectors (see accessories) white 0V white Cable data 8 x 0.14 mm2 5 x 0.14 mm2 Screen connectedtoflange 24K 4 5 6 CHB 3 8 7 1 2 3 4 2 5 1 90° CHN comp. Counter clockwise rotating direction when looking at the flange. 24K CHA CHB CHN 90° 3 www.baumer.com/motion 13/8/2015 CHN Subject to modification in technic and design. Errors and omissions excepted. CHB comp. Incremental encoders Mini series - blind or through hollow shaft 10…2048 pulses per revolution BHK Dimensions BHK clamping ring BHK connector output radial BHK connector dimensions 4 www.baumer.com/motion 13/8/2015 Subject to modification in technic and design. Errors and omissions excepted. ~59 BHK clamping ring and spring washer