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maxon motor

maxon motor control 

1-Q-EC Amplifier DEC Module 24/2 

 

Order number 367661

Operating Instructions 

Edition April 2015

The DEC Module 24/2 (

D

igital 

E

C

ontroller) is a small  

1-quadrant digital controller for the control of brushless DC motors 
(

E

lectronic 

C

ommutated motors) up to 48 W. 

The used EC motor must be equipped with digital Hall sensors.

Features:
• 

Digital speed control  
operates as «closed loop» or as «open loop» speed controller

• 

Maximum speed 80 000 rpm (motor with 1 pole pair)

• 

Set value input through external analogue voltage (0 ... +5 V)

• 

3 different speed ranges selectable

• 

Direction of rotation preset by a digital signal

• 

The output stage can be enabled or disabled

• 

Maximum output current limit adjustable up to 3 A

• 

Status indication via «Ready»output

• 

Blockage protection (current limit for blocked motor)

• 

Protective functions: undervoltage, overvoltage and thermal overload

• 

Standardized connector strip, pitch 2.54 mm

Thanks to the wide input power supply range of 8...24 VDC (optional 5 VDC operation possible), the DEC Module  
24/2 is very versatile and can be used with various power supplies.
A sturdy PI speed controller design is an ideal premise for immediate operation. 
The well-priced and miniaturized OEM module seamlessly integrates into applications. Now the customer can 
fully focus on developing his/hers own device - while being able to make use of maxon motor‘s vast drive know-
how. For start-up maxon motor offers a comprehensive Evaluation Board.

The latest edition of these operating instructions may be downloaded from the internet as a PDF-file under 

www.maxonmotor.com

, category «Service & Downloads», order number 367661 or  

in the e-shop 

http://shop.maxonmotor.com

.

Table of Contents

1  Safety Instructions ............................................................................................................................................. 2

2  Technical Data ................................................................................................................................................... 3

3  Pin assignment DEC Module 24/2 ..................................................................................................................... 5

4  Commissioning Instructions............................................................................................................................... 6

5  Functional Description of Inputs and Outputs.................................................................................................... 7

6  Protective functions ......................................................................................................................................... 13

7  Block Diagram ................................................................................................................................................. 14

8  Dimensional Drawing ....................................................................................................................................... 15

9  Accessories (not included in delivery) ............................................................................................................. 15

10  Appendix «Motherboard Design Guide» ....................................................................................................... 16

Содержание 24/2

Страница 1: ...strip pitch 2 54 mm Thanks to the wide input power supply range of 8 24 VDC optional 5 VDC operation possible the DEC Module 24 2 is very versatile and can be used with various power supplies A sturd...

Страница 2: ...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 ensured that the drive or the complete apparatus is kept in a safe oper...

Страница 3: ...limit external resistor 1 16 W against Gnd Hall sensors Hall sensor 1 Hall sensor 2 Hall sensor 3 2 3 Output Status indication Ready Digital output signal 5 V Ri 10 k 2 4 Voltage output 5 VDC output...

Страница 4: ...em you must perform EMC testing of the involved equipment as a whole Electromagnetic compatibility Generic standards IEC EN 61000 6 2 Immunity for industrial environments IEC EN 61000 6 3 Emission sta...

Страница 5: ...gnal Description 1 W1 Motor winding 1 2 W2 Motor winding 2 17 Set value speed Set value speed input 3 W3 Motor winding 3 16 Set current limit Set current limit input 4 Vcc Supply voltage 8 24 VDC 15 G...

Страница 6: ...3 A The required supply voltage can be calculated as follows Known values Operating torque MB mNm Operating speed nB rpm Nominal motor voltage UN V Motor no load speed at UN n0 rpm Speed torque gradi...

Страница 7: ...20 000 rpm 125 5 000 rpm 62 2 500 rpm 1 1 500 80 000 rpm 125 20 000 rpm 62 10 000 rpm Please note If the signal level of the digital inputs DigIN1 11 and DigIN2 12 are changed the new levels are adop...

Страница 8: ...adopted by a disable enable procedure Set value voltage Description 0 V 0 1 V Operation at a minimum speed 0 1 V 5 0 V Linear speed adjustment The actual speed value is calculated according the follow...

Страница 9: ...alog input signal for the speed set value Nominal value amplitude PWM set value 0 5 V Max value amplitude PWM set value 28 28 V Frequency range PWM set value 500 Hz 20 kHz Modulation PWM set value 0 1...

Страница 10: ...0 5 V Continuous over voltage protection 28 28 V Delay time max 20 ms Note If the signal level of the digital inputs DigIN1 11 and DigIN2 12 are changed the new levels are adopted by a disable enable...

Страница 11: ...in 15 must be added Current limit value Resistance value E12 series 3 0 A input floating 2 5 A 47 k 2 0A 10 k 1 5 A 4 7 k 1 0 A 2 2 k 0 5 A 470 Note Under unfavourable circumstances the actual motor p...

Страница 12: ...a fault the output is switched to Ground Fault not ready 0 V Gnd Possible reason for a fault message Undervoltage Fault message occurs in case supply voltage VCC 6 5 VDC To reset the fault condition...

Страница 13: ...the amplifier must be disabled and the power stage temperature must fall below 75 C 6 4 Invalid Hall sensor signals The power stage will be disabled in case invalid conditions in the Hall sensor input...

Страница 14: ...maxon motor 14 maxon motor control 1 Q EC Amplifier DEC Module 24 2 Operating Instructions April 2015 Edition document number 1002422_PDF_E 04 subject to change 7 Block Diagram...

Страница 15: ...ns 1 Q EC Amplifier DEC Module 24 2 April 2015 Edition document number 1002422_PDF_E 04 subject to change 8 Dimensional Drawing Dimensions in mm 9 Accessories not included in delivery maxon motor orde...

Страница 16: ...completeness Upon request maxon motor ag is glad to assist and to offer customer specific motherboard designs 10 2 External components 10 2 1 Pin socket The connector arrays used in the DEC Module 24...

Страница 17: ...sor diode to the power supply voltage Recommendations for the TVS diode Vishay SMBJ26A UR 26 V UBR 28 9 32 1 V 1mA UC 42 V 14 3 A Diotec P6SMBJ26A UR 26 V UBR 28 9 32 1 V 1mA UC 42 V 14 3 A Capacitor...

Страница 18: ...tional chokes are necessary Nevertheless the use of chokes in combination with additional filter compon ents can be useful to reduce the emission of electromagnetic interference An additional choke mu...

Страница 19: ...Ground 15 Gnd Ground If ground safety earth is available connect the ground plane over some paral lel capacitors to the ground safety earth Capacitors with 47 nF and 100 V are suggested 10 3 2 Layout...

Страница 20: ...ll 6 Set value speed 17 Set current limit 16 Gnd 15 Direction 14 Enable 13 DigIN2 12 DigIN1 11 Ready 10 IC1 DEC Module 24 2 10 8 2 Low Voltage 5V operation Alternatively the DEC Module 24 2 can be ope...

Страница 21: ...l D4 green D3 red 9 10 S3E DIP_SW5 11 12 S3F DIP_SW6 VHall H1 H2 H3 GND 24V C_W3 C_W2 C_W1 GND GND Set current limit 24 2 W2 2 H2 8 W1 1 W3 3 Vcc 4 Gnd 5 Vcc Hall 6 H1 7 H3 9 Set value speed 17 Set cu...

Страница 22: ...motor 22 maxon motor control 1 Q EC Amplifier DEC Module 24 2 Operating Instructions April 2015 Edition document number 1002422_PDF_E 04 subject to change Picture of Evaluation Board with DEC Module...

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