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please contact your nearest Oriental Motor branch or sales office. 

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Characteristics, specifications and dimensions are subject to change without notice. 

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your input. Should you find unclear descriptions, errors or omissions, please contact the 
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  is a registered trademark or trademark of Oriental Motor Co., Ltd., in 

Japan and other countries. 
Other product names and company names mentioned in this manual may be trademarks or 
registered trademarks of their respective companies and are hereby acknowledged. The 
third-party products mentioned in this manual are recommended products, and references 
to their names shall not be construed as any form of performance guarantee. Oriental 
Motor is not liable whatsoever for the performance of these third-party products. 

 

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ORIENTALMOTOR CO., LTD. 2008

 

 
 
 

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Summary of Contents for CSK243-ATA

Page 1: ...d drivers 10 4 3 Names and functions of driver 12 5 Installation 15 5 1 Location for installation 15 5 2 Installing the motor 15 5 3 Installing a load 17 5 4 Permissible overhung load and permissible thrust load 18 5 5 Installing the driver 19 5 6 Installing and wiring in compliance with EMC Directive 20 6 Connection 23 6 1 Connection of CSD2109 T CSD2112 T CSD2120 T 23 6 2 Connection of CSD2140T ...

Page 2: ...the open chassis type photocoupler I O specification and a 2 phase stepping motor We offer the standard type with a base motor step angle of 1 8 and the high resolution type with a 0 9 step angle A geared type is also available Main features Compact driver The CSK series adopts a compact driver using DC power supply input making it ideal for use as an internal component in general industrial equip...

Page 3: ...C compliant DC power supply with reinforced insulation on both the primary and secondary sides Provide protective earthing for the DC power supply Use shielded cable for I O cables Use a mains filter For Low Voltage Directive 73 23 EEC The CSK series motors and drivers are not subject to the Low Voltage Directive since their input power supply voltage is 36 VDC or below However the product must sa...

Page 4: ...tions specified in Example of motor and driver installation and wiring on page 22 Be sure to conduct EMC measures with the product assembled in your equipment by referring to 5 6 Installing and wiring in compliance with EMC Directive on page 20 Hazardous substances RoHS Directive 2002 95 EC 27Jan 2003 compliant ...

Page 5: ...ified personnel the task of installing wiring operating controlling inspecting and troubleshooting the product Failure to do so may result in fire or injury Provide a means to hold the moving parts in place for applications involving vertical travel The motor loses holding torque when the power is shut off allowing the moving parts to fall and possibly cause injury or damage to equipment Installat...

Page 6: ... bent or pulled the driver will receive stress and may suffer damage Transportation Do not hold the motor output shaft or motor cable This may cause injury Installation Keep the area around the motor and driver free of combustible materials in order to prevent fire or a burn To prevent the risk of damage to equipment leave nothing around the motor and driver that would obstruct ventilation Provide...

Page 7: ...eration Immediately when trouble has occurred stop running and turn off the driver power Failure to do so may result in fire electric shock or injury Disposal To dispose of the motor or driver disassemble it into parts and components as much as possible and dispose of individual parts components as industrial waste ...

Page 8: ...aged Provide a measure to retain the position of the equipment s movable part when this unit is used in an vertical application The motor loses its holding brake force when the power is cut off Therefore provide a measure to retain the position of the equipment s movable part when this unit is used in an vertical application such as a lifter Conduct the insulation resistance measurement or withsta...

Page 9: ... damaged gear Allowable speed range Operate the motor at speeds within the allowable range Operating the motor at a speed outside the allowable range may result in a shorter gear life Backlash The gear output shaft is subject to backlash of 1 to 2 Backlash refers to the looseness at the gear output shaft as generated when the input side of the gear is fixed To reduce the effect of backlash perform...

Page 10: ...ombinations are listed on below Motor 1 unit Driver 1 unit OPERATING MANUAL 1 copy Motor mounting screws geared type only 4 pcs No 4 40 UNC Cross recessed screw No 8 32 UNC Hexagonal socket head screw Note When removing the driver from the conductive protection bag make sure your hands are not charged with static electricity This is to prevent damage to the driver due to static electricity 4 2 Com...

Page 11: ...3MBA CSD2109 T CSK244MATA PK244MAA CSK244MBTA PK244MBA CSK245MATA PK245MAA CSK245MBTA PK245MBA CSD2112 T CSK264MAT PK264MA CSK264MBT PK264MB CSK266MAT PK266MA CSK266MBT PK266MB CSK268MAT PK268MA CSK268MBT PK268MB CSD2120 T Geared type Unit model Motor model Driver model CSK243ATA SG PK243A1A SG CSK243BTA SG PK243B1A SG CSD2109 T CSK264ATA SG PK264A2A SG CSK264BTA SG PK264B2A SG CSD2120 T The blank...

Page 12: ...ables the automatic current cutback function Factory setting ON enable Step angle switch F H This switch sets the motor s step angle full step half step Factory setting ON full step Pulse input mode switch 1P 2P Set to 1 pulse input mode or 2 pulse input mode according to the pulse output mode of the positioning controller Factory setting ON 1 pulse input mode 4 Power supply voltage switch 24 36V ...

Page 13: ...y terminal blocks TB1 Connected to 24 VDC power supply 2 Motor terminal blocks TB2 Connected to motor leads 3 I O terminal blocks TB3 Connected to I O signals 4 Potentiometer for adjusting the motor operating current RUN VR This potentiometer sets the operating current of the motor If there is sufficient torque the current setting can be reduced to suppress increases in motor driver temperatures F...

Page 14: ...4 Preparation 14 No Name Description 7 Step angle jumper socket FULL HALF This switch sets the motor s step angle full step half step Factory setting FULL full step ...

Page 15: ...furic gas or liquid Area free of excessive amount dust iron particles or the like Area not subject to splashing water storms water droplets oil oil droplets or other liquids Area not exposed to direct sun Area free of excessive salt Area not subject to continuous vibration or excessive shocks Area free of excessive electromagnetic noise from welders power machinery etc Area free of radioactive mat...

Page 16: ...Metal plate Pilot holder Mounting hole Gearhead attaching screw Hexagonal socket head screw supplied Motor type Nominal size Tightening torque N m oz in Effective depth of bolt mm in Installation method PK24 No 4 40 UNC 1 142 4 5 0 18 A PK26 No 8 32 UNC 2 280 B Standard type PK29 No 10 24 UNC 3 420 B PK24M No 4 40 UNC 1 142 4 5 0 18 A High resolution type PK26M No 8 32 UNC 2 280 B PK24SG No 4 40 U...

Page 17: ... that the line connecting their centers is at a right angle to the shafts Using a gear drive Align the motor s output shaft and gear shaft in parallel with each other and let the gears mesh at the center of the tooth widths Note When coupling the load to the motor pay attention to the centering of the shafts belt tension parallelism of the pulleys and so on Securely tighten the coupling and pulley...

Page 18: ...Permissible thrust load N lb PK243 0 21 0 46 PK244 0 27 0 59 PK245 20 4 5 25 5 6 34 7 6 52 11 7 0 35 0 77 PK264 0 45 0 99 PK266 0 7 1 54 PK268 54 12 1 67 15 89 20 130 29 1 2 2 PK296 1 7 3 7 PK299 2 8 6 2 Standard type PK2913 260 58 290 65 340 76 390 87 480 108 3 8 8 4 PK243M 0 24 0 53 PK244M 0 3 0 66 PK245M 20 4 5 25 5 6 34 7 6 52 11 7 0 37 0 81 PK264M 0 45 0 99 PK266M 0 7 1 54 High resolution typ...

Page 19: ... driver exceeds 40 C 104 F CSD2109 T CSD2112 T CSD2120 T Mount the printed circuit board or heat sink to the mounting plate Screws and spacers are not supplied Mounting the heat sink Mount the heat sink to the mounting plate using M3 screws M3 Spring washer Mounting plate M3 Effective depth 5 mm 0 2 in M3 screws Mounting the printed circuit board Mount the printed circuit board to the mounting pla...

Page 20: ...ries to be compliant with the EMC Directive the aforementioned compliance standards The compliance of the final machinery with the EMC Directive will depend on such factors as the configuration wiring layout and risk involved in the control system equipment and electrical parts It therefore must be verified through EMC measures by the customer of the machinery Applicable standards EMI Emission Tes...

Page 21: ...tive surface for the grounding point Wiring the power supply cable and signal cable Use a shielded cable of AWG18 or more in diameter for the driver power supply cable and keep it as short as possible Use a shielded cable of AWG24 to AWG22 in diameter for the driver signal cable and keep it as short as possible To ground a shielded cable use a metal clamp or similar device that will maintain conta...

Page 22: ...e clamp Cable clamp Cable clamp Power supply cable 1 6 m 5 2 ft Motor cable 2 m 6 6 in Precautions about static electricity Static electricity may cause the driver to malfunction or suffer damage Be careful when handling the driver with the power on Always use an insulated screwdriver when adjusting the motor current using the control on the driver Note Do not come close to or touch the driver whi...

Page 23: ...2 T CSD2120 T Connection example Either 24 VDC or 36 VDC is selected as a driver s power supply Be sure to check the setting of the power supply voltage switch Refer to page 35 R2 R1 R1 R1 220 Ω 220 Ω 220 Ω TB2 Driver TB1 TB1 A W OFF DIR CCW PULSE CW TIMING Controller NPN type Controller PNP type Yellow White Black Green Red Blue 5 V 5 V 5 V 5 V 0 V 0 V 0 V 0 V 0 V 0 V 24 V or 36 V GND 2 phase ste...

Page 24: ...l screws Strip 5 mm 0 2 in of insulation Tighten the terminal screw to the specified tightening torque Use a cable of AWG 22 to 18 for the power supply line Tightening torque 0 22 to 0 25 N m 1 95 to 2 2 lb in Use a cable of AWG 24 to 20 for the I O line Tightening torque 0 22 to 0 25 N m 1 95 to 2 2 lb in Be sure to check the setting of the power supply voltage switch Refer to page 35 Power suppl...

Page 25: ...d the rotation direction When 2 pulse input mode the inputs are CW pulse and CCW pulse Connecting the motor Connecting the motor leads into the driver s motor terminal blocks TB2 Terminal blocks pin assignments TB2 Signal name Description YELLOW Connect the yellow motor lead WHITE Connect the white motor lead BLACK Connect the black motor lead GREEN Connect the green motor lead RED Connect the red...

Page 26: ... motor 2 1 1 1 2 3 4 5 6 2 3 4 5 6 7 8 Note Be certain the control input output cable that connects the driver and controller is as short as possible The maximum input frequency will decrease as the cable length increases When a large inertial load is operated at high speed regenerative energy will generate and increase the power supply voltage which can damage the driver When performing the opera...

Page 27: ...ty 5 A or more 5 5 A or more Terminal blocks pin assignments TB1 No Signal name Description 1 POWER DC power supply input 2 POWER GND Note Pay attention to polarity when connecting the power supply Connecting the power supply in reverse polarity may damage the driver Do not wire the driver s power supply cable in the same conduit in which another power line or the motor cable is wired After turnin...

Page 28: ... pulse input 3 DIR input 4 DIR input Rotation direction input 5 AWO input 6 AWO input All windings off input 7 TIM input 8 TIM input Timing output 9 NC Not use 6 3 About input output Input signals All input signals of the driver are photocoupler inputs The signal state represents the ON Carrying current or OFF Not carrying current state of the internal photocoupler rather than the voltage level of...

Page 29: ...ulses are connected to the PLS input or the PLS input and the rotation direction is connected to the DIR input or DIR input When the DIR input is ON a fall of the PLS input from ON to OFF will rotate the motor one step in the CW direction When the DIR input is OFF a fall of the PLS input from ON to OFF will rotate the motor one step in the CCW direction Use an input pulse signal with a waveform ha...

Page 30: ...45T Note The interval for switching the motor direction represents the response time of the circuit Set this interval to an appropriate time after which the motor will respond Always set the photocoupler to OFF when not inputting pulse signals Do not input CW pulse input and CCW pulse input at the same time If one of these pulses is input when the other is ON the motor will not run properly AWO Al...

Page 31: ...tor excitation state is reset to the excitation home position when the power supply is switched on When the motor has a base step angle of 1 8 step the TIM output turns ON with a rotation of every 7 2 from the excitation home position in synchronization with a pulse input The TIM output behaves differently depending on the combined motor and number of divisions Example of TIM output Step angle Mot...

Page 32: ... 1 100 µs or more indicated in connection with the direction signal select time 1 pulse input mode or CW CCW pulse select time 2 pulse input mode indicates a circuit response time Set it to the time required for the motor to respond to the applicable pulse input 2 The specific duration varies depending on the load inertial moment load torque self starting frequency etc 3 Do not input pulse signals...

Page 33: ...c current cutback function is ON the motor current will automatically drop to the standstill current in approx 0 1 second after the stopping of pulse output This mechanism suppresses heat generation from the motor or driver while the motor is at standstill Keep the automatic current cutback function ON in normal conditions of use CSD2109 T CSD2112 T CSD2120 T CSD2140T CSD2145T Automatic current cu...

Page 34: ...tting ON full step OFF half step ON OFF F H Jumper socket Setting the step angle Motor type Full step base step angle Half step Standard type 1 8 step 0 9 step High resolution type 0 9 step 0 45 step The step angle of the geared type varies depending on the gear ratio 7 3 Pulse input mode Only for CSD2109 T CSD2112 T CSD2120 T Set the pulse input mode using the pulse input mode switch 1P 2P Factor...

Page 35: ... current Factory setting Motor s rated current If the load is small and there is sufficient torque the operating current can be reduced to suppress vibration and temperature rise of the motor Motor standstill current Factory setting 40 of motor operating current Note Setting the motor operating current too low may affect the motor s starting characteristics and position retention performance Be su...

Page 36: ... motor and DC ammeter Motor leads color 2 phase stepping motor Driver TB2 Yellow White Black Green Red Blue YELLOW WHITE BLACK GREEN RED BLUE Connecting a tester Connect the driver and motor Motor leads color 2 phase stepping motor Driver TB2 YELLOW WHITE BLACK GREEN RED BLUE Yellow White Black Green Red Blue Insert the tester probes approx 2 1 mm 0 08 in in diameter into the motor current check t...

Page 37: ...djusting the motor operating current RUN VR Be sure to adjust the current to the motor s rated current or below RUN VR STOP VR The sum of two DC ammeter readings indicates the current per motor phase Example DC ammeter reading 0 5 A 0 45 A Output current per phase 0 95 A When a tester is used the voltage shown on the tester corresponds to the current per motor phase Example Tester reading 0 95 V O...

Page 38: ...ing an insulated screwdriver manipulate the potentiometer for adjusting the motor standstill current STOP VR Be sure to adjust the current to 40 of the motor s rated current or below The sum of two DC ammeter readings indicates the current per motor phase RUN VR STOP VR 5 Turn off the power supply This completes the adjustment of the motor standstill current After about 0 1 second has passed since...

Page 39: ... automatic current cutback function C C A C D to C C 3 Turn on the power supply Wait until the motor reaches its operating current 4 Using an insulated screwdriver manipulate the potentiometer for adjusting the motor operating current RUN VR Be sure to adjust the current to the motor s rated current or below The sum of two DC ammeter readings indicates the current per motor phase 5 Turn off the po...

Page 40: ...about 0 1 second has passed since the pulse was stopped the motor s operating current automatically decreases to the set value of current at motor standstill Current adjusting potentiometer and current values The characteristic of motor operating current indicates the output current corresponding to the setting of the potentiometer for adjusting the motor operating current The characteristic of mo...

Page 41: ...SK244 CSK244M 0 Setting of the STOP potentiometer Current cutback ratio Characteristic of motor standstill current representative value 0 20 40 60 80 100 10 30 50 70 90 1 2 3 4 1 2 A Phase 0 6 A Phase 0 3 A Phase Setting of the RUN potentiometer Output current A Phase Characteristic of motor operating current representative value 0 2 0 0 1 2 3 4 0 4 0 6 0 8 1 1 2 CSK245 CSK245M 0 Setting of the ST...

Page 42: ...l current representative value 0 20 40 60 80 100 10 30 50 70 90 1 2 3 4 2 0 A Phase 1 0 A Phase 0 5 A Phase CSK268 CSK268M Setting of the RUN potentiometer Output current A Phase Characteristic of motor operating current representative value 0 5 0 0 1 2 3 4 1 1 5 2 0 Setting of the STOP potentiometer Current cutback ratio Characteristic of motor standstill current representative value 0 20 40 60 8...

Page 43: ...current A Phase Characteristic of motor operating current representative value 0 1 2 3 4 5 6 7 8 0 1 2 3 4 CSK2913 0 Current cutback ratio Characteristic of motor standstill current representative value 0 20 40 60 80 100 10 30 50 70 90 1 2 3 4 5 6 7 8 9 10 4 0 A Phase 2 0 A Phase 1 2 A Phase Setting of the RUN potentiometer Output current A Phase Characteristic of motor operating current represent...

Page 44: ... in the motor s bearings ball bearings or other moving parts Are the motor s output shaft or gear output shaft and load shaft out of alignment Are there any scratches signs of stress or loose driver connections in the motor cable Is there any foreign deposit on the driver Are any of the driver mounting screws or connectors loose Are there any strange smells or other abnormalities at the driver Not...

Page 45: ...e turned easily by hand The all windings off input is set to ON Switch the all windings off input to OFF and confirm that the motor is excited Pulse input line connection error Check the controller and driver connections Check the pulse input specifications voltage and width The motor does not run The CW input and the CCW input came ON at the same time Input either the CW input or the CCW input an...

Page 46: ... time is too short Lengthen the acceleration deceleration time Loss of synchronization during acceleration or running Electrical noise Check running with only the motor driver and required controller If the impact of noise is recognized take countermeasures such as rewiring for greater distance from the noise source changing the signal cables to shielded wire or mounting a ferrite core Wrong step ...

Page 47: ...o suppress vibration Motor vibration too great Load too small Turn the motor operating current setting switch slightly in the counterclockwise direction in order to lower the current Vibration will increase if the motor s output torque is too large for the load Long continuous operation time of the motor Decrease the operation time of the motor per session or increase the standstill time Make sure...

Page 48: ...d other countries Other product names and company names mentioned in this manual may be trademarks or registered trademarks of their respective companies and are hereby acknowledged The third party products mentioned in this manual are recommended products and references to their names shall not be construed as any form of performance guarantee Oriental Motor is not liable whatsoever for the perfo...

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