ME15 Magnetic Encoder Manual - Advanced Micro Controls Inc
Contents
1. 15 the time between the last pulse of CLK signal cycle and the first falling edge of the next CLK cycle t Gvid is time between rising edge of CLK and data output valid Optionally if only absolute angular position data is needed then SSI clock with 10 pulses could be used Data transmission timing is outlined in Figure 2 fint TiDLE ku gt e OM CLK 1 8 0 i pe i tbo valid 7 Angular Position Data Figure 2 Multiplexing Option When M15 SSI works as Multiplexing SSI device all M15 s Data DO and SSI Clock SSI CLK lines will be connected together and each device will have separate Enable ENn line as it is outlined in Figure 3 Maximum number of M15 SSI units connected is 32 MASTER DEVICE M15 SSI Figure 3 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 6 Tel 860 585 1254 Fax 860 584 1973 Web www amci com AMG ME15 Magnetic Encoder Manual Revision 1 1 Enable lines have to be controlled in such way that only one M15 unit is enabled at time TsAMPLE ft saMPLE ENn 1 ENn 2 tSHTDWN 3 tsaMPLE 1 _ i ENn n Figure 4 Timing for ENn lines In a case that only one or a very few interrogations is needed during sampling time then the ENn and CLK signal synchronization is necessary and is outlined in Figure 5 tsAMPLE t sAMPLE WK ie EN READY tEN READY ENn_1 ENn 2 CLK A2. If DuraCoder Type C 1 4to 20mA 2 0 to 20mA Angular Range K 360 This is the only option available on a ME15 with SSI output L 180 M 90 N 45 Direction P CW increasing looking at the shaft N CCW increasing looking at the shaft Connection Type E End Connect Mating Connector MS 9 mating connector sold separately FL Integral Cable with flying leads Integral Cable Length Specify the length in feet Standard Lengths 1 5 3 6 and 10 Blank if End Connector specified Web www amci com page 13 Integral Cable Length T Connection Type Direction Angular Readily Available Selections S Servo mount S Shaft seal 2 1 4 Shaft V Analog V 2 0to 10V C 1 4 to 20mA CW increasing E End connector 1 5 TV Te ME15 Magnetic Encoder Manual Revision 1 1 ME15 Mechanical Dimensions 1 50 _ Zero mark 0 2360 or 0 2498 Ae 02356 Q2494 WITH 4 02 DEEP 479 LONG FLAT SHAFT A 5 LONG M3X05 TAP 6mm DEEP ON 024 BG PLACES MEIN Series Front View 4 MIN CLEARANCE 000 L ggedei DIA 0 41775 0 118 SS ef 15 FEET STANDARD 0 098 FLYING LEAD OTHER LENGTHS AVAILABLE 2 07 MIM CLEARANCE FOR MATING CONN 0 39 L Ap 0 000 Lal gos DIA ME15 Series Side View Flying Lead or Connector Versions 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 14
3. Standard Warranty ADVANCED MICRO CONTROLS INC warrants that all equipment manufactured by it will be free from defects under normal use in materials and workmanship for a period of 18 months Within this warranty period AMCI shall at its option repair or replace free of charge any equipment covered by this warranty which is returned shipping charges prepaid within one year from date of invoice and which upon examination proves to be defective in material or workmanship and not caused by accident misuse neglect alteration improper installation or improper testing The provisions of the STANDARD WARRANTY are the sole obligations of AMCI and excludes all other warranties expressed or implied In no event shall AMCI be liable for incidental or consequential damages or for delay in performance of this warranty Returns Policy All equipment being returned to AMCI for repair or replacement regardless of warranty status must have a Return Merchandise Authorization number issued by AMCI Call 860 585 1254 with the model and serial numbers along with a description of the problem A RMA number will be issued Equipment must be shipped to AMCI with transportation charges prepaid Title and risk of loss or damage remains with the customer until shipment is received by AMCI 24 Hour Technical Support Number Technical Support in the form of documents FAQs and sample programs is available from our website www amci com 24 Hou
4. com page 10 ME15 Magnetic Encoder Manual Revision 1 1 The following diagrams show the output waveforms for the four angular ranges of an encoder ordered with CCW increasing output 360 deg angular range default 180 deg angular range CCW INCREASING 90 deg angular range default mode analog resolution 10 bit 1024 steps over 360 deg analog step size 1LSB 0 35 deg 360 deg analog resolution 10 bit 45 deg angular range 1024 steps over 180 deg analog step size 1LSB 0 175 deg 360 deg Figure 8 Angular Ranges with CCW increasing analog resolution 10 bit 1024 steps over 90 deg analog step size 1LSB 0 088 deg 360 deg analog resolution 9 bit 512 steps over 45 deg analog step size 1LSB 0 088 deg H 270 315 360 deg The Analog output version of the ME15 can be ordered to output its minimum to maximum output over the four Angular Ranges listed above However the next minimum to maximum cycle always begins at the start of the next full turn Analog Voltage Output Specifications 0 SVDC Option Current Consumption No Load and 24VDC Power Supply 25mA Current Output Output Load 0 10VDC Option Current Consumption No Load and 24VDC Power Supply 25mA Current Output Output Load sd gee eae ease EEE eee oe ween 10mA max DE 1KOhm min 20 Gear Drive Plymouth
5. AMG ME15 Magnetic Encoder Manual Revision 1 1 Product Overview The ME15 Magnetic Encoder is the newest addition to AMCI s Encoder product line The encoder is designed for lower resolution and lower cost applications and provides 10 bits of resolution The user has a choice either a SSI or 0 to 20mA 4 to 20mA 0 to 5V or 0 to 10V analog output MEI5 s small size high reliability IP67 protection rating and low cost make it an ideal replacement for potentiometers and small industrial encoders Sturdy machined housing and a high resistance to shock and vibration also make these encoders better able to withstand difficult environmental conditions ME15 has two major components A small diametrically polarized magnet and a custom ASIC which contains an array of Hall sensors that generate a voltage when exposed to a magnetic flux field The ASIC detects the change in magnetic flux distribution as the magnet rotates above it delivers a voltage representing its angular position The ASIC cancels magnetic interference permitting it to operate in areas of high external fields The encoder s electronics features a programmable device for converting the signals to a SSI compatible bit stream The encoder is housed in an IP67 Size15 1 5 dia servo mount body with two options for shaft sizes 1 4 and 6mm and two options for connections through a 7 pin connector or built in cable with flying leads of various lengths 20 Gear Drive Plymo
6. Industrial Park Terryville CT 06786 Tel 860 585 1254 Fax 860 584 1973 Web www amci com page 11 AMG ME15 Magnetic Encoder Manual Revision 1 1 Analog Current Output Specifications 0 20mA Option Current Consumption No Load and 24V DC Power Supply 35mA OUND UC TAG EEE EE EE EE 500Ohm max d 20mA Option Current Consumption No Load and 24VDC Power Supply 35mA MT 500Ohm max Cable Pin Assignment Cable Style Color OUTPUT CIRCUIT LOAD 0 5Vdc 500 Ohm min 0 10Vde 1KOhmM min PROTECTION Figure 10 Block Diagram Analog Current Output Analog Output LOAD eegne 500 Ohm max Analog Output Return LLI O st LL ma LLI H 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 12 Tel 860 585 1254 Fax 860 584 1973 Web www amci com 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 Tel 860 585 1254 Fax 860 584 1973 ME15 Magnetic Encoder Manual Revision 1 1 AMCI ME15 Absolute Analog Rotary Shaft Encoder Ordering Guide MELSS S Shaft Diameter Range Output Output Type Scaling Part Number Character Absolute Analog DuraCoder Selections Mounting Style S 1 5 Shaft style servo mount Shaft Seal Type S Shaft seal IP67 rating 2 1 4 6 6mm Shaft Diameter Output Type V Analog Voltage C Analog Current Output Scaling If DuraCoder Type V 1 0 to 5Vdc 2 0to 10Vdc
7. Tel 860 585 1254 Fax 860 584 1973 Web www amci com AMG ME15 Magnetic Encoder Manual Revision 1 1 Manual Revision History Revision 0 0 was created 11 30 08 and was the initial release of the specifications Revision 1 0 was created on 1 30 09 Electrical Specifications revised Revision 1 1 was created on 4 29 09 Electrical Diagrams added 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 15 Tel 860 585 1254 Fax 860 584 1973 Web www amci com
8. able to be select factory preset 45 90 180 and 360 The analog output response is linear for the selected range For 45 and 90 modes the slope is mirrored at 180 For the 180 mode it has a step response at 270 This allows the ME 15 to be used in a variety of applications In these three modes the output remains at its max and min values to avoid a sudden output change when the mechanical angle is rotated beyond the selected analog range In 360 mode a jitter between max and min output value at the 360 point is prevented due to a hysteresis The following diagrams show the output waveforms for the four angular ranges of an encoder ordered with CW increasing output 360 deg angular range default 180 deg angular range CW INCREASING default mode 90 deg angular range analog resolution 10 bit 1024 steps over 360 deg analog step size 1LSB 0 35 deg 360 deg analog resolution 10 bit 45 deg angular range 1024 steps over 180 deg analog step size 1LSB 0 175 deg 360 deg Figure 7 Angular Ranges with CW increasing analog resolution 10 bit 1024 steps over 90 deg analog step size 1LSB 0 088 deg 360 deg analog resolution 9 bit 512 steps over 45 deg analog step size 1LSB 0 088 deg G Lesser 360 deg 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 Tel 860 585 1254 Fax 860 584 1973 Web www amci
9. e S 1 5 Shaft style servo mount Shaft Seal Type S Shaft seal IP67 rating Shaft Diameter 2 1 4 6 6mm Output Type S SSI Output Scaling 1 binary Angular Range K 360 This is the only option available on a ME15 with SSI output Direction P CW increasing looking at the shaft N CCW increasing looking at the shaft Connection Type E End Connect Mating Connector MS 9 mating connector sold separately FL Integral Cable Integral Cable Length Specify the length in feet Standard Lengths 1 5 3 6 and 10 Blank if End Connector specified Integral Cable Length ME15S S S 1 K mg ce Readily Available Selections S Servo mount S Shaft seal 2 1 4 Shaft S SSI 1 Binary K 360 P CW increasing E End connector 1 5 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 Tel 860 585 1254 Fax 860 584 1973 Web www amci com page 9 ME15 Magnetic Encoder Manual ME15 ANALOG OUTPUT OPTION Supply Voltage ETE 20 30VDC 4 5 Power Consumption No Load lt 0 6W Measuring Range Resolupon Position Accuracy Linearity EE Repeat Accuracy fa 360 180 90 45 e one part in 1024 voltage or current TE 0 5 360 measuring range kassen lt 0 5 of output range r de lt 0 1 of output range Revision 1 1 There are four different angular ranges avail
10. ft seal Shaft Loading 10 Ibs radial 5 lbs axial maximum shaft loading Bearing life 2x10 revolutions minimum at maximum shaft load Electrical Supply Voltage 5 30VDC 5 for SSI 20 30VDC 4 5 for Analog Output Over voltage and reverse polarity voltage protected Power up setting time 20ms Environmental Protection Rating IP67 Operating Temperature 40 to 85 deg C Shock 50G I Ims duration Vibration 20G 5 2000 Hz Output Versions Available e SSI e ANALOG OUTPUT o Voltage Output 0 SVDC or 0 10VDC o Current Output 0 20mA or 4 20mA 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 4 Tel 860 585 1254 Fax 860 584 1973 Web www amci com AMG ME15 Magnetic Encoder Manual Revision 1 1 ME15 SSI OPTION SUPPLY e TEE 5 30VDC 5 Power Consumpton lt 0 5W Measuring Range 360 ResolutponidC ode 10 Bit Binary Position ACcuracN 0c cece ees 0 5 linea EE lt 0 5 Repeat ACCULACY siene gege egue lt 0 1 SSI Interface Clock Freouencx 100 KHz 1 MHz Output Driver RS 485 TIA EIA Compliant Short circuit proof outputs Yes Short circuit to OV DC Return or to output when supply voltage is correctly applied The M15 SSI device has two options of operation Standalone Option or Multiplexing Option When M15 works as Standalone SSI device data is continuously read out by simply applying SSI Clock signal with Enab
11. le line pulled low i e tied to the DC Return When M15 works as Multiplexing SSI device Enable line determines whether particular M15 s input output driver is enabled Enable Input low or disabled Enable Input high Only one unit at the time is supposed to be enabled and all others disabled SSI Protocol The serial data transmission timing is outlined in Figure 1 With the first falling edge of the clock CLK signal data is latched into the output shift register Each subsequent rising CLK edge shifts out one bit data The serial word contains 16 bits The first 10 bits D 9 0 are the absolute angular position data MSB is clocked out first The subsequent 6 bits contain system information about validity of data such as OCF Offset Compensation Finished COF Cordic Overflow LIN Linearity Alarm Parity and Magnetic Field status increase decrease out of range and they are used for diagnostic purposes only tint tiDLe kurz P TI tm CLK 1 8 6 1 DO i Eve Stop PARM Bit se i tpo valid e i Angular Position Data Status Bits Figure 1 Synchronous serial interface with absolute angular position data 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 5 Tel 860 585 1254 Fax 860 584 1973 Web www amci com AMG ME15 Magnetic Encoder Manual Revision 1 1 Or is the time of one interrogation Lu is the time that the Stop bit is valid which is typically 15 20 us t pr
12. ngular Angular Position Data Status Bits Position Data Status Bits IT Device Interrogation 299 Device Interrogation Figure 5 An example of one interrogation per sampling time t E the time for which the device is enabled and interrogated ten READY LS the time between falling edge of ENn signal and the first falling edge of CLK signal 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 7 Tel 860 585 1254 Fax 860 584 1973 Web www amci com AMG ME15 Magnetic Encoder Manual Revision 1 1 ENn Voltage Range Enabled Low 0 to 0 8VDC Disabled High 2 to SVDC Input Current 10uA S5VDC for both High and Low states Timing Characteristics Symbol UNIT 15 20 t wom lm is DO valid 375 Tom as e tomo os d SHTDWN 5 Us SSI Option Cable Pin Assignment Cable Style Color Connector Style Pin po Red LL DCInput DC Return Mating connector sold separately AMCI MS 9 Binder 99 0426 00 08 ME15 SSI LO Hi o et LL L LLI E Figure 6 Block Diagram SSI Output 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 8 Tel 860 585 1254 Fax 860 584 1973 Web www amci com ME15 Magnetic Encoder Manual Revision 1 1 AMCI ME15 Absolute SSI Rotary Shaft Encoder Ordering Guide Shafi Angular Diameter Range Output Output Type Scaling Part Number Character Absolute SSI DuraCoder Selections Mounting Styl
13. r technical support is also available on this product For technical support call 860 585 1254 Your call will be answered at the factory during regular business hours Monday through Friday SAM SPM EST During non business hours an automated system will ask you to leave a detailed message and the telephone number that you can be reached at The system will page an engineer on call Please have your product model number and a description of the problem ready before you call 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 2 Tel 860 585 1254 Fax 860 584 1973 Web www amci com AMG ME15 Magnetic Encoder Manual Revision 1 1 Table of Contents Product OV GE TE EE 1 Ki RI I EEE 4 BSI OI 5 ME15 SSI Output Ordering Guide 9 ME15 Analog Output Option 10 Analog Voltage Output 12 Analog Current hutt REENEN REENEN NNN EEN 12 MEIS Analog Output Ordering Guide 13 ENTREE CN 14 Manual Revision History 15 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 3 Tel 860 585 1254 Fax 860 584 1973 Web www amci com AMG ME15 Magnetic Encoder Manual Revision 1 1 SPECIFICATIONS Mechanical Enclosure Size 15 1 5 dia servo mount aluminum body Connections 7 pin Connector or Cable style Shaft 6mm or 25 Max Speed 20 000 RPM Moment of Inertia 1 75 10 oz in sec Starting Torque 2 oz in max 25 C with standard shaft seal 0 2 oz in max 25 C no sha
14. uth Industrial Park Terryville CT 06786 page I Tel 860 585 1254 Fax 860 584 1973 Web www amci com AMG ME15 Magnetic Encoder Manual Revision 1 1 General Information Important User Information The products and application data described in this manual are useful in a wide variety of different applications Therefore the user and others responsible for applying these products described herein are responsible for determining the acceptability for each application While efforts have been made to provide accurate information within this manual AMCI assumes no responsibility for the application or the completeness of the information contained herein Throughout this manual the following two notices are used to highlight important points WARNINGS tell you when people may be hurt or equipment may be damaged if the procedure is not followed properly CAUTIONS tell you when equipment may be damaged if the procedure is not followed properly No patent liability is assumed by AMCI with respect to use of information circuits equipment or software described in this manual The information contained within this manual is subject to change without notice UNDER NO CIRCUMSTANCES WILL ADVANCED MICRO CONTROLS INC BE RESPONSIBLE OR LIABLE FOR ANY DAMAGES OR LOSSES INCLUDING INDIRECT OR CONSEQUENTIAL DAMAGES OR LOSSES ARISING FROM THE USE OF ANY INFORMATION CONTAINED WITHIN THIS MANUAL OR THE USE OF ANY PRODUCTS OR SERVICES REFERENCED HEREIN
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