m58 incremental optical encoder bei industrial encoders tel: 805-968-0782 /800-350-2727 | fax: 805-968-3154 / 800-960-2726 | 7230 hollister ave., goleta, ca 93117-2807 | www.beiied.com specification no. 924-02103-001 rev.08-09 the m58 is a rugged industrial grade metric incremental encoder providing a unique combination of performance and flexibility. the m58 features a wide range of resolutions, up to 80,000 cycles per turn. the robust design of the m58 provides it with excellent resistance to shock and vibration. ip65 environmental protection level is stan- dard (or ip67 is available with sealing flange). the m58 is an ideal replace- ment encoder for metric equipment used in many industries in the us. mechanical specifications shaft diameter: 10mm, (0.39") standard, 6mm (0.24") option bearings: series 6000 shaft material : stainless steel bearing housing: die cast aluminum with iridite finish cover: zinc alloy shaft loading: up to 50 n (11 lbs.) axial and 100 n, (22 lbs.) radial starting torque at 25 c: 0.004 nm (0.6 in-oz) max enclosure: aluminum maximum rpm: 9,000 rpm moment of inertia: 0.7 x 10 -6 kgm 2 (1.0 x 10 -4 oz-in-sec 2 ) weight: approximately .285 kg (10 oz.) electrical specifications code: incremental supply voltage: 5-28 vdc (see table 1) voltage/output: 28v/v: line driver, 5?8 vdc in ,v out =v in 28v/5: line driver, 5?8 vdc in ,v out =5vdc current requirements: 75ma typical + output load protection level: reverse, overvoltage and output short circuit output format: 2 incremental channels in quadrature, with gated index and complements. cycles per shaft turn: see table 2 frequency response: to 300khz (see table 1) output terminations: (see table 3 back page) environmental specifications enclosure rating: ip65, nema 4x & 13 (ip67 with pilot flange) temperature: operating, -0 to 70?; storage (non-operating), -40 to 80?. consult factory for extended temperature ratings. shock: 50 g s for 6 msec duration vibration: 55 to 2000 hz @ 10 g s humidity: 98% rh without condensation notes & tables: all notes and tables referred to in the text can be found on the back of this page. m58 metric incremental encoder ordering options for assistance call 800-350-2727 use this diagram, working from left to right, to construct your model number. example: m58-e-6-1024-abzc-28v/v-sm23 (-s: special shaft, diameter/ length, output level or termination) output termination: sm23 = side mounted 12 pin, m23 connector, ccw special features: consult factory m58 abzc sm23 type : heavy duty 58mm diameter housing face mount: blank = pilot flange e = servo cycles per turn: see resolution table 2 channels abzc = dual with index and complements supply/output voltage 28v/v = 5-28v in/out 28v/5 = 5-28v in/ 5v out shaft diameter: 6 = 6 mm 10 = 10 mm the m58 incremental encoder is available with the following certifications: en 55011 and en 61000-6-2
dimensions figure 1 output waveform m58 incremental optical encoder bei industrial encoders tel: 805-968-0782 /800-350-2727 | fax: 805-968-3154 / 800-960-2726 7230 hollister ave., goleta, ca 93117-2807 | www.beiied.com pilot flange, shown with 10mm shaft diameter servo, shown with 6mm shaft diameter notes 1. mounting is usually done either using the d-style square flange mount, e- or g- style servo mounts, or one of the standard face mounts, f1 for example. consult factory for additional face mount options. 2. the shaft seal is recommended in virtually all installations. the most com- mon exceptions are applications requiring a very low starting torque or those requiring operation at both high temperature and high speed. 3. non-standard index widths and multiple indices are available by special order. consult factory. 4. complementary outputs are recommended for use with line driver type (source/sink) outputs. when used with differential receivers, this combination provides a high degree of noise immunity. 5. output ic?s: output ic's are available as either line driver (ld) or npn open collector (oc) types. open collectors require pull-up resistors, resulting in higher output source impedance (sink impedance is similar to that of line drivers). in general, use of a line driver style output is recommended. line drivers source or sink current and their lower impedance mean better noise immunity and faster switching times. warning: do not connect any line driv- er outputs directly to circuit common/ov, which may damage the driver. unused outputs should be isolated and left floating. our applications special- ists would be pleased to discuss your system requirements and the compati- bility of your receiving electronics with line driver type outputs. 28v/v: multi-voltage line driver (7272*): 100 ma source/sink. input voltage 5 to 28 vdc +/- 5% standard (note: v out = v in ). this driver is ttl compatible when used with 5 volt supply. supply lines are protected against overvoltage to 60 volts and reverse voltage. outputs are short circuit protected for one minute. supply current is 120 ma typical (plus load current). this is the rec- ommended replacement for 3904r and 7406r open collector outputs with internal pullup resistors. it is also a direct replacement for any 4469, 88c30, 8830 or 26ls31 line driver 28v/5: multi-voltage line driver (7272*): 100 ma source/sink. input voltage 5 to 28 vdc +/- 5% standard, internally regu- lated with 5v (ttl compatible) logic out. supply lines are protected against overvoltage to 60 volts and reverse voltage. outputs are short circuit protect- ed for one minute. supply current is 90 ma typical (plus load current). note: limit encoder load to 2.5w max at ambient. example at 12 vdc: 2.5w/(+12vdc minus +5vdc) = 357 ma total allowed current. consult factory for your specific requirements. 15v/v: multi-voltage line driver (4469*): 100 ma source/sink. input voltage 5 to 15 vdc +/- 5% standard (note: v out = v in ). ttl compatible when used with 5 volt supply. supply lines are protected against overvoltage to 60 volts and reverse voltage. outputs are short circuit protected for one minute. supply current is 90 ma typical (plus load current). this is a direct replacement for the 4469 line driver. 28v/oc: npn open collector (3904*, 7273*). current sink of 80 ma max. current sourced by external pull- up resistor. output can be pulled up to volt- age other than supply voltage (30 v max). input voltage 5 to 28 vdc + /- 5% standard. supply current is 120 ma typical. this replaces prior ic's with des- ignations of 3904, 7406, 3302, 681 and 689. 5v/ocr, 15v/ocr, 24v/ocr: open collector (3904r*, 7406r*, 7273r*): current sink of 70 ma max. includes internal pull-ups sized at approximately 100 ohms/volt. max current source is 10 ma. supply current is 100 ma typical, 120 ma with internal pull-ups. the 5v/ocr, 15v/ocr and 24v/ocr are often replaced by the 28v/v in system upgrades. 6. special es at the end of the model number is used to define a variety of non-standard features such as special shaft lengths, voltage options, or spe- cial testing. please consult the factory to discuss your special requirements. 7. higher frequency response may be available. please consult with the factory. 8. extended temperature ratings are available in the following ranges: -40 to 70?c, -40 to 85?c, e20 to 105?c and e40 to 105?c depending on the particular model. some models can operate down to -55?c. extended temperature ranges can affect other performance factors. consult with factory for more specific information. 9. mating straight plug receptacles may be ordered from the factory: for mating connector, order part number 924-81201-024 for 2 meter cable, order part number 924-31186-2302 for 10 meter cable, order part number 924-31186-2310 tables table 2em58 disc resolutions table 3eoutput terminations 256 360 500 512 720 768 1000 1024 1080 1280 1440 1500 1800 2000 2048 2500 2560 2880 3072 3600 4000 4096 4320 5000 5120 5760 6000 8000 8192 10000 10240 12288 15000 16384 20000 25000 40000 50000 60000 80000 resolutions in bold are interpolated and will be noted by (example t2 or other value). additional resolutions are available, please consult factory. sm23 12 pin connector, ccw pin 10 + 11 2 + 12 8 5 3 1 6 4 connector body 9 channels ov (circuit common) +v (supply) a b z a b z case ground n/c supply: 5 to 285% cons. without load: 75ma max current per channel: 40ma max 0 max (is=20ma): v 0l =o,5vdc 1 min (is=20ma): v cc -2, 5vdc note: ttl and rs422 compatible if the voltage power supply at the level of the encoder is 5 vdc. see notes for information on output devices. table 1eelectrical
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