www.baumerelectric.com bmd bmc voltage supply 10 - 30 vdc with reverse polarity protection max. supply current 50 ma (at 24 vdc) no load max. resolution from 2 up to 4096 steps/rev any and from 1 up to 4096 steps/rev programmable in base 2 pulse tolerance 1/2 step input signal f/r-input, store/enable, zero set input code switching speed 400 khz programmable optical absolute multi-turn shaft encoders bmc/bmd parallel general data ambient conditions features mechanical data high-resolution multi-turn encoder parallel interface resolution up to 24 bit gray-, bcd- and binary-code high protection class max. revolutions mechanical 10,000 /min electrical 6000 /min rotor inertia 2 x 10 -6 kgm 2 torque <0.010 nm (no clamping ring) <0.015 nm (with clamping ring max. shaft load axial: 20 n radial: 40 n max. protection class ip 65 material housing: steel flange: aluminum weight approx. 600 g temperature range -20 to +70 c relative humidity max. 95% non condensing vibration din en 60068-2-6 ( 100 m/s 2 / 16-2000 hz) shock din en 60068-2-27 ( 2000 m/s 2 / 6 ms) noise immunity din en 61000-6-2 emitted interference din en 61000-6-4
bmc bmd www.baumerelectric.com -j bmc -j bmd -k 36 f8 48 58 m3 x 7 3 x 120 unc4-40 70 42 75 ?10 0 -0.009 3 10 3 20 9 15 20 15.5 13 16 42 50 58 0 -0.025 m4 x 7 3 x 120 unc4-40 70 42 ?6 -0.010 -0.018 3 4 3 10 79 20 5.5 9 13 16 1 5.5 unc4-40 70 42 15 21 -k unc4-40 70 42 15 21 cable length 1 m cable length 1 m cable length 1 m cable length 1 m housing and connection dimensions
www.baumerelectric.com 1 - 24 24 parallel output signals. d0 - d23 data lines d0 to d23. with pnp, pull down; with npn, 4.7 k 1 pull up resistors recom- mended for each data line. 27 zero ze ro setting input for setting a zero at any point within the programmed encoder resolution. the zero setting process is triggered by a high pulse and should take place after direction of rotation selection (f/r). for maximum interfer- ence immunity after zero setting, connect to gnd. pulse duration * 100 ms. 28 enable if this i nput is at low level, the output drivers will be activated. on application of high po- tential (or unconnected), the output drivers assume a high-resistance state. 29 store by applying a low level, the data of the absolute encoder will be buffered. if this input is connected to high potential or remains open, the current position data of the abso- lute encoder will be switched through to the output drivers. for reliable readout of the data, this line must be used in the case of binary-code. 30 f/r by applying a high potential, ascending val- ues will be output when the shaft rotates cw (looking at shaft). if low potential is applied, descending values will be output. 34 gnd- sense this contact is connected internally to gnd and assists, together with v s -sense, to meas- ure the supply voltage at the encoder via the follow-up electronic. 35 v s - sense this contact is connected internally to +v s . if the sensor line is not to be used, this contact must be isolated (danger of short circuit). 36 +v s supply voltage. 37 gnd ground connection to encoder. programmable optical absolute multi-turn shaft encoders bmc/bmd parallel assignment signals for parallel input interface screen: in the case of encoders with cable output, the screen is connected to the housing. signal designation parallel cable connector 37-pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 d11 d12 d13 d14 d15 d16 d17 d18 d19 d20 d21 d22 d23 - - zero enable st ore f/r - - - gnd-sense v s -sense +v s gnd white brown green ye llow grey pink black violet grey/pink red/blue white/green brown/green white/yellow ye llow/brown white/grey grey/brown white/pink pink/brown white/black brown/black grey/green ye llow/grey pink/green ye llow/pink - - ye llow/blue brown/blue brown/red green/blue - - - white/blue white/red red blue wh bn gn ye gy pk bk vt gy/pk rd/bu wh/gn bn/gn wh/ye ye/bn wh/gy gy/bn wh/pk pk/bn wh/bk bn/bk gy/gn ye/gy pk/gn ye/pk - - ye/bu bn/bu bn/rd gn/bu - - - wh/bu wh/rd rd bu cable color
www.baumerelectric.com bmc bmd needed for programming - pc with rs 232-interface and windows-operating system - progeber software and handbook - programming cable, connects encoder with pc order designation signal characteristic store/enable inputs outputs one control signal each enable for activation of the output driver, store for storing the output data, f/r for selection at positive direction of rotation and zero for zeroing in any position. wiring: inputs with 10 k 1 to v s , except zero set input with 10 k 1 to gnd. 10 - 30 vdc t1/t2 60 s t3/t4 200 s t1 t ristate t3 store enable t2 t4 store enable time typically signals level high (pnp) * +v s - 4.5 v (at i = -15 ma) level low (npn) ) 3.5 v (at i = 15 ma) load high (pnp) ) -20 ma load low (npn) ) 20 ma tristate ) 200 a 24 parallel output signals with store and tristate function (enable). all outputs with short circuit protection pnp or npn output stages (oc). input voltage (v s = 10 - 30 vdc) level high 0.7 v s up to v s level low 0 up to 0.3 v s bm 3p . 24 4 0 9 6 connection cable shaft output signals j axial with d-sub connector cable length 1 m k radial with d-sub connector cable length 1 m c6 6 mm ip 65 (bmc) c0 10 mm ip 65 (bmd) n npn (short-circuit protection), oc p pnp (short-circuit protection), oc c servo flange d clamping flange housing accessories mounting adapter part nr. 117667 fixing screws and servo clamps part nr. 117668 mounting bracket part nr. 117698 programming software with cable and user manual (cable length 2 m) part nr. 117666
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