maxon motor control ADS 50/10 Order number 201583 - CSL-EP
Contents
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3. 0 8 V high min 2 0 V It is strongly recommended that the encoder be used with a built in line driver If the encoder is used without a line driver without ChA and ChB speed breakdowns and max speed limits must be expected because of the slower switching slope The servoamplifier does not need any home impulse and N Male header front view Pin configuration at Encoder input 1 n c Not connected 2 45V 4 5 VDC max 80 mA 3 Gnd Ground 4 n C Not connected 5 AN Inverted Channel A 6 A Channel A 7 Inverted Channel 8 B Channel B 9 n c Not connected 10 n c Not connected This pin configuration is compatible with the flat cable plugs in Encoder HEDL 55xx with Linedriver 8 maxon motor control June 1999 edition subject to change Operating Instructions 4 Q DC Servoamplifier ADS 50 10 5 2 Outputs 5 2 1 Current monitor Monitor The servoamplifier makes a current actual value available for monitoring pur poses The signal is proportional to the motor current The Monitor output is short circuit protected Output voltage range 10 10 VDC Output resistance 10 kQ Gradient approx 0 4 V A 5 2 2 Speed monitor Monitor The speed monitor is primarily intended for the qualitative estimation of the dy namics The absolute speed is determined by the properties of the speed sen sors and by the setting of the Nmax pote
4. 2 5 kHz Minimum needed terminal inductance 200 uH 50 kHz 2 2 Inputs Set value died rt p d Eater ret a d te 10 10 V 8 20 Enable PE 4 50 VDC 15 Input voltage DC min 2 VDC max 50 VDC 14 Encoder Channel A AV B BV max 100 kHz TTL 2 3 Outputs Current monitor Monitor short circuit protected 10 10 VDC Ro 10 Speed monitor Monitor n short circuit protected 10 10 VDC Ro 10 Status reading READY Open collector sess 30 VDC l lt 20 mA 2 4 Voltage outputs Aux voltage short circuit protected 412 VDC 12 VDC max 12 mA Encoder supply 5 max 80 mA 2 5 Trim potentiometers Ix R Offset Nmax Imax gain 2 6 LED indicator 2 Colours LED sisi tc ade ttn rat co et d db E bes READY ERROR green ok red fault 2 7 Ambient temperature Humidity range Operatilgos eei ch m fb Eb d tt rcd uM E fe 10 45 eol ee Vo c MEE 40 85 NONCONCONSALING gt ANANA 20 80 2 8 Mechanical data WY GIG euet ote Ee ees 3600 m see dimension drawing Mounting Platte 35 cess
5. Vee min 12 VDC max 50 VDC Ripple lt 5 Output current 10 A continuous 20 A peak The required voltage can be calculated as follows Known values Operating torque mNm e Operating speed ng Nominal motor voltage Uy Volt e Motor no load speed at Uy no min e Speed torque gradient of the motor An AM min mNm Sought values e Supply voltage Volt Solution zm Us n ng AM Mj 2 V Choose a power supply capable of supplying this calculated voltage under load The formula takes a 2 Volt max voltage drop at the ADS 50 10 into account 4 2 Function of the potentiometers 5 x rge x c amp NO s d Potentiometer Function Turn to the left right C compensation compensation po motor turns motor turns at set value CCW CW at 10V set value slower faster higher max 20 higher June 1999 edition subject to change maxon motor control 5 4 Q DC Servoamplifier ADS 50 10 Operating Instructions 4 3 Adjustment of the Potentiometers 4 3 1 Pre adjustment With the pre adjustment the potentiometers are set in a preferred position ADS units in original packing are already pre adjusted Pi P2 P3 P4 P5 Pre adjustment potentiometers 5 4 3 2 Adjustment Encoder mode 1 Adjust set value to maximum e g 10V and turn potentiometer Nmax
6. size 4 pieces each 500uH 4 June 1999 edition subject to change maxon motor control 1 1 maxon motor 4 Q DC Servoamplifier ADS 50 10 Operating Instructions 9 Block Diagram 12V OUT F12V OUT Enable Ready DIPS 5 80 5V Gnd 2 HV K 12M Supply Encoder A xls i2v Encoder AV F V Converter ANN Encoder B 12 50VDC Encoder BV Power Gnd ANA DIP1 59 WW gt P7 I gain Motor w PWM AN Control amp MOSFET DIP4 P5 gain P6 n gain ANTE N on Full Bridge 2 mal ogic E amu ele bles ceed per gt maxs m Motor Tacho oww AAA i 4 2 2 Pus RE 3 gt C 7 4 gt P1 xR DIP2 24 urrent Voltage N Detector Detector DIP3 40K P2 Offset J 12V WANA 12V WK 5 Monitor Monitor 10 Dimension Drawing Dimensions in mm 1 Motor S 2 Motor 3 Ground Safety Earth S 4 12 50 VDC 5 Power Gnd 1 Set value 2 Set value S 3 Enable 5 4 Gnd 5 Tacho Input 6 Tacho Input 7 Monitorn 8 Monitor 9 Ready 10 12V 12mA OUT 11 12V 12mA OUT 12 Gnd Qo e ne C
7. 11 8 Accessories not part of delivery 11 9 Block Diagram Ais a i eee hone lend een 12 10 Dimension Drawing 12 The latest edition of this operating instructions may also be found in the internet under http www maxonmotor com Downloads in the category Service amp Support maxon motor ag Br nigstrasse 220 Box 263 6072 Sachseln Tel 041 666 15 00 Fax 041 666 16 50 www maxonmotor com maxon motor 4 Q DC Servoamplifier ADS 50 10 Operating Instructions 1 Safety Instructions Skilled Personnel Installation and starting of the equipment shall only be performed by experienced skilled personnel Statutory Regulations The user must ensure that the servoamplifier and the components belonging to it are assembled and connected according to local statutory regulations Load Disconnected For primary operation the motor should be free running i e with the load discon nected Additional Safety Equipment An electronic apparatus is not fail safe in principle Machines and apparatus must there fore be fitted with independent monitoring and safety equipment If the equipment breaks down if it is operated incorrectly if the control unit breaks down or if the cables break etc it must be ensur
8. DC Tacho mode so far that the required speed is achieved I x R compensation 2 Set potentiometer Imax at the limiting value desired Important The limiting value Imax should be below the max continuous current as shown on the motor data sheet 3 Increase potentiometer P5 gain slowly until the amplification is set large enough Caution lf the motor vibrates or becomes loud the amplification is ad justed too high and the potentiometer must be readjusted until the insta bility of the closed loop of the drive under all loads disappears 4 Adjust set value to zero e g by short circuiting the set value Then set the motor speed to zero with the potentiometer P2 Offset In addition only in the case of IxR compensation 5 Slowly increase potentiometer P1 IxR until the compensation is set large enough so that in the case of high motor load the motor speed remains the same or decreases only slightly Current controller mode 1 Set potentiometer lmax at the limiting value desired Important The limiting value Imax should be below the max continuous current as shown in the motor data sheet 6 maxon motor control June 1999 edition subject to change maxon motor Operating Instructions 5 Functions 5 1 Inputs 5 1 1 Set value 5 1 2 Enable Enable Disable 5 1 3 DC Tacho 4 Q DC Servoamplifier ADS 50 10 The set value input is wired as a differential amplifier 10 410 V 20 kQ Set Value gt Set Val
9. HANNEL B CHANNEL B CHANNEL A CHANNEL AY Gnd E 12 ssvioma ine Encoder maxon motor control P4 201583 SWISS MADE 103 12 maxon motor control June 1999 edition subject to change
10. ed that the drive or the complete appa ratus is kept in a safe operating mode Repairs Repairs may be made by authorised personnel only or by the manufacturer It is dangerous for the user to open the unit or make repairs to it Danger Do ensure that during the installation of the ADS 50 10 no apparatus is connected to the electrical supply After switching on do not touch any live parts Max Supply Voltage Make sure that the supply voltage is between 12 and 50 VDC Voltages higher than 50 VDC or of wrong polarity will destroy the unit Minimum Terminal Inductance An external additional choke must be connected serially to the motor power supply lead if the motor terminal inductance is less than 200 uH Driving a motor by the ADS 50 10 with too low motor inductance can result in overheating and destruction of the motor Electrostatic Sensitive Device ESD gt PPP gt PPP gt 2 maxon motor control June 1999 edition subject to change maxon motor Operating Instructions 4 Q DC Servoamplifier ADS 50 10 2 Performance Data 2 1 Electrical data Supply voltage Vcc Ripple lt 5956 12 50 VDC Max current eredi teet cca etti sh ke Siete etd 20A Continuous output current loo 10A Switching frequency ssssssssssssseeee eene enne nennen enne 50 kHz 2 TEETE T E EAEE O E O A PO 95 Band width current controller esee
11. ent limiter active maximum current limit active P4 Imax t 6 3 Maximal encoder frequency DIP Switch 5 DIP switch 5 permits selection of the maximum encoder input frequency A max encoder frequency of 100 kHz is standard DIP Switch 5 ON T DIP Switch 5 OFF Max Input frequency is 10 kHz Max Input frequency is 100 kHz Encoder pulse maximum Encoder pulse maximum per turn motor speed per turn motor speed 6 000 rpm 60000 rpm 1200 rpm 12 000 rpm 1000 600 rpm 1000 6 000 rpm 7 Error Handling Defect Possible source of defect Measures Shaft does not rotate Supply voltage 12 VDC check power plug pin 4 Enable not activated check signal plug pin 3 Set value is 0V check signal plug pin 1 and pin 2 Current limit too low check adjustment pot P4 Imax Wrong operational mode check DIP switch settings Bad contacts check wiring Wrong wiring check wiring Speed is not controlled Encoder mode encoder signals check plug encoder DC Tacho mode tacho signals check plug signal pin 5 and 6 polarity R mode compensation wrong check adjustment pot 8 Accessories not part of delivery 8 1 Additional motor choke An external additional choke must be connected serially to the motor power supply lead if the motor terminal inductance is less than 200 uH Version Specification Order number Motor choke in 90x70x49 mm 137303 module housing 3 pieces each 250uH Motor choke in 100x160 mm SHE 8 133350 Eurocard
12. isfactory using potentio meters P1 to P5 In special cases the transient response can be optimized by setting the P6 speed regulation gain potentiometer The P7 current regulator gain potentiometer can in addition be adapted to the dynamics of the current regulator It is recommend that the success of changes to the settings of P6 Ngainand P7 be checked by measuring the transient response with an oscilloscope at the Monitor n and Monitor outputs Pre adjustment P6 Ngain 25 and P7 50 6 2 Adjustments potentiometer P8 Icon and current limit mode DIP Switch 6 10 maxon motor control It is standard that a maximum current limiter is activated DIP switch 6 OFF as the only current limiter In this way the motor current is limited to the value set on potentiometer P4 Imax 0 5 20 If DIP switch 6 is turned to ON a cyclical current limiter is also activated This current limiter method makes a certain level of motor protection against thermal overload possible For 0 1 seconds the motor current is limited to the value set on potentiometer P4 Imax 0 5 20A and then for 0 9 seconds current is limited to the value set on potentiometer P8 leont 0 5 20A After one second a current of Imax is allowed Pre adjustment P8 50 June 1999 edition subject to change maxon motor Operating Instructions 4 Q DC Servoamplifier ADS 50 10 DIP Switch 6 ON T DIP Switch 6 OFF 4 cyclical curr
13. maxon motor maxon motor control ADS 50 10 Order number 201583 Operating Instructions June 1999 edition The ADS 50 10 is a powerful servoamplifier for driving permanent magnet DC motors from 80 up to 500 Watts Four modes can be selected by DIP switches on the board Speed control using tacho signals Speed control using encoder signals Ix R compensated speed control Torque or current control The ADS 50 10 is protected against excess current excess temperature and short circuit on the motor winding With the FET power transistors incorporated in the servoamplifier an efficiency of up to 95 is achieved The ADS 50 10 needs an external additional choke accessory if the motor terminal inductance is less than 200 uH Thanks to the wide input power supply range of 12 50 VDC the ADS 50 10 is very versatile and can be used with various power supplies The aluminium housing makes installation simple with terminal markings for easy connection Table of Contents 1 Salety IMSMUCTIONS 2 2 Performance Data M T 3 3 Minimum External Wiring for Different Modes of Operation sss 4 A Operating m aana a eai a 5 By UMM EET 7 6 Additional Possible Adjustments ssssssssssssssseseeee eee enr nnn 10 7 Handling METTE
14. ntiometer The output voltage of the speed monitor is proportional to the number of revolutions The output voltage of the speed monitor is 10V when the maximum number of revolutions set by the Nmax potentiometer has been reached The Monitor n output is short circuit protected Output voltage range 10 10 VDC Output resistance 10 kQ 5 2 3 Status reading Ready The signal can be used to report the state of operational readiness or a fault condition on a master control unit The Open Collector output is in nor mal cases i e no faults switched to Gnd In the case of a fault with excess temperature or excess current the output transistor is not conducting high re sistance An external additional voltage is required Input voltage range max 30 VDC Load current lt 20 mA The fault condition is stored In order to reset the fault condition the servoam plifier must be re released Enable If the cause of the fault situation cannot be removed the output transistor will immediately change to the not conducting state again June 1999 edition subject to change maxon motor control 9 maxon motor 4 Q DC Servoamplifier ADS 50 10 Operating Instructions 6 Additional Possible Adjustments Potentiometer Function o left right o continuous current limit higher 6 1 Adjustments potentiometer P6 Ngain and potentiometer P7 Igain In most applications regulation setting is completely sat
15. ue Set Value Set Value Input voltage range Input resistance Positive set value Negative set value If a voltage is given at Enable the servoamplifier switches the motor voltage to the winding connections If the Enable input is not switched on or is connected to the Gnd the power stage will be highly resistant and will be disabled The Enable input is short circuit protected Minimum input voltage 4 0 VDC Maximum input voltage 50 0 VDC Input resistance 15 Switching time typ 500 usec by 5 V Minimum input voltage 0 VDC Maximum input voltage 2 5 VDC Input resistance 15 Switching time typ 100 usec by 0 V Minimum input voltage 2 0 V Maximum input voltage 50 0 V Input resistance 14 The potentiometer allows you to adjust the motor speed for a given set value input The lowest adjustable motor speed range is 3850rpm with a 10V set value and a tacho with 0 52V 1000rpm 3850rpm x 0 52V 1000rpm 2V see table above Lower speed ranges can be achieved either by reducing the set value input range i e 5V for 1925rpm or using a tacho type with higher output voltage such as 5V 1000rpm maxon motor control 7 June 1999 edition subject to change 4 Q DC Servoamplifier ADS 50 10 Operating Instructions 5 1 4 Encoder Encoder supply voltage 5 VDC max 80 mA Maximum encoder frequency DIP Switch 5 ON 10 kHz DIP Switch 5 OFF 100 kHz Voltage value TTL low max
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