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GDB-5K20

Instructions Manual

５－２．Mounting Method

The round holes on the main frame are used.

The following items are required:

● M-3 screw (8mm or more in length):

2

● M-3 spring washer:

2

● M-3 flat washer:

2

(1) Fix the product at the two round holes on the main frame.

●Mounting example

Fixing with 
a screw

0

C

8

4

0

C

8

4

0

C

8

4

Fixing with a screw

M-3 screw
M-3 spring washer
M-3 flat washer

Fixing with a screw

M-3 screw
M-3 spring washer
M-3 flat washer

Fixing with 
a screw

-24-

Summary of Contents for GDB-5K20

Page 1: ...GDB 5K20 Instructions Manual For designers use MN0372 2 Please ensure to read and understand this Instructions Manual before using the product Please keep this Instructions Manual at hand so that it is always available for reference ...

Page 2: ...otor Driver GDB 5K20 with emphasis on the specifications assuming that our readers are engaged in designing of control devices incorporating stepping motors Please ensure to read and understand this Instructions Manual before using the product Please keep this Instructions Manual at hand so that it is always available for reference 2 ...

Page 3: ...circumstances in advance Consequently this instructions manual describes all the hazardous and dangerous circumstances and situations which can be foreseen and anticipated as well as necessary precautions All the above descriptions are being titled by the following symbol marks and signal words namely Represents warnings ignorance of which can cause accidents involving fatal or serious physical in...

Page 4: ...ELECT switch 15 4 2 Setting STEP TABLE switch and STEP ANGLE SELECT switch 16 4 3 Setting HOLD CURRENT SELECT switch 17 4 4 Setting DRIVE CURRENT SELECT switch 18 4 5 Setting PULSE INPUT TYPE SELECT switch 19 4 6 Setting HOLD SWITCHING TIME SELECT switch 20 4 7 Setting ROTATE MODE SELECT switch 21 4 8 Setting EXTEND FUNCTION SELECT switch 22 ５ Installation 5 1 Conditions for Installation 23 5 2 Mo...

Page 5: ...ations 35 10 2 I O Signal 1 Example Circuit Connection 36 2 Drive pulse input CW CCW 37 3 Maotor excitation stop input M F 38 4 Phase signal output P O 39 5 Overheat alarm signal output and overheat alarm LED O H A 40 6 Step angle switch input C S 41 10 3 Dimensions 42 10 4 Applicable Motors 43 10 5 Torque Characteristics 44 10 6 Conforming to Europe standards 46 The main parts which revised by th...

Page 6: ...may cause injury 5 Do not transport move install the product perform connections or inspections when the power is on Doing so may cause electric shock injury or fire 6 Only qualified personnel are allowed to transport move install the product perform connections or inspections Failure to do so may cause injury or fire 7 Do not touch the driver during operation or immediately after stopping Doing s...

Page 7: ...etting up the STEP ANGLE SELECT switch Erroneous setting may cause breakage of the machine or injury due to unexpected rotation of the motor Ensure correct setting When setting up the HOLD CURRENT SELECT switch A high setting value may cause burn on the skin due to overheating of the motor Do not select a high value beyond the required When setting up the DRIVE CURRENT SELECT switch A high setting...

Page 8: ...of the motor Ensure correct setting When setting up the EXTEND FUNCTION SELECT switch Erroneous setting may cause breakage of the machine or injury due to unexpected rotation of the motor Ensure correct setting When installing Overheating may cause fire Mount it on a noncombustible member Keep it away from combustibles When connecting the DC Input Motor Output Connectors J2 J3 Erroneous connection...

Page 9: ...motor may cause breakage of the machine or injury Check safety before inputting When the overheat alarm O H A signal is output Overheating may cause fire Stop operation upon output of this signal When the overheat alarm O H A LED comes on Overheating may cause fire Stop operation when this LED comes on When performing maintenance and checking Injury or fire is apprehended due to unexpected behavio...

Page 10: ...p angles ranging from 1 division to 8000 division of the basic angle HOLD CURRENT and DRIVE CURRENT can be set up Applicable motors and setting for each motor are given in the table 10 4 Applicable Motors ２ ２ Product Configuration GDB 5K20 One unit main frame J1 J2 J3 J4用のハウジング及びコンタクトは付属品ではありません J1 J2 J3 of the housing and the contact is not in accessories ２ ３ Appearance C 0 8 4 0 C 8 4 0 C 8 4 GD...

Page 11: ... motor excitation P O state is the excitation home position O H A Outputs the signal when internal temperature O H A of the driver has reached approx 70 or more C S Switches the step angle by 20 division C S 1 12 11 6 5 10 9 8 7 4 3 2 CCW drive pulse signal input terminal Motor excitation stop signal input terminal Step angle switching signal input terminal Phase siganal output terminal Overheat a...

Page 12: ...utputs current to drive the motor ３ ３ POWER LED POWER LED GREEN comes on upon inputting power ３ ４ O H A LED O H A LED RED comes on when internal temperature of the driver has reached approx 70 or more RED GRN 2 GRY BLK ORN 3 YLW VIO BLK 1 BLU WHT RED 4 ORN GRN BLU 5 BRN 0V DC 2 J2 DC 24V DC 1 Motor output terminal DC input terminal 12 ...

Page 13: ...lect a step angle 4 MOTOR SELECT switch Use it with OFF 1 STEP TABLE switch Select STEP TABLE 1 OFF S T1 4 OFF Factory Setting PULSE INPUT TYPE SELECT switch HOLD SWITCHING TIME SELECT switch 3 OFF 2P 2 OFF DH1 No E No 8 No 1 3 2 DRIVE HOLD CURRENT automatic switching time is selected Name of Operating Section Function Select a pulse input type 0 C 8 0 C 8 0 8 4 1 J2 1 ON OFF 1 2 3 4 13 ...

Page 14: ...TE MODE 4 EXTEND FUNCTION SELECT switch 4 Select EXTEND FUNCTION 3 EXTEND FUNCTION SELECT switch 3 Select EXTEND FUNCTION 2 EXTEND FUNCTION SELECT switch 2 Select EXTEND FUNCTION 1 EXTEND FUNCTION SELECT switch 1 Select EXTEND FUNCTION Function Name of Operating Section OP1 OFF RM2 OFF RM1 OFF OP4 OFF OP3 OFF OP2 OFF RM3 OFF Factory Setting RM4 OFF R M1 R M2 R M3 R M4 OP1 OP2 OP3 OP4 1 2 3 4 1 2 3...

Page 15: ...uctions Manual ４ Setting ４ １ Setting MOTOR SELECT switch Erroneous setting may cause burn on the skin due to overheating of the motor Ensure correct setting Set this switch with power OFF 1 Use it with OFF CAUTION 15 ...

Page 16: ...018 0 0018 0 0009 0 0009 0 00072 0 00072 0 00036 0 00036 0 00018 0 045 0 00009 0 0045 Step angles are theoretical values Drive with two types of step angles are provided by combining the C S signal When the step angle is switched from the setting of 1000 2000 4000 or 8000 divisions to other number of divisions 1 800 change of the excitation position may be caused Relationship between the S T SEL s...

Page 17: ...URRENT DRIVE CURRENT Factory setting HOLD CURRENT changes relative to DRIVE CURRENT setting The ratio of HOLD CURRENT 100 represents the same as the setting for DRIVE CURRENT The greater the ratio of HOLD CURRENT grows the more heat the motor generates when is on holding state Set the HOLD I SEL switch No to the ratio of HOLD CURRENT to DRIVE CURRENT required Ratio of HOLD CURRENT 100 Ａ 50 Ｂ 60 ６ ...

Page 18: ...e required DRIVE CURRENT is set up with the DRIVE I SEL switch 1 Set the switch No to the setting specified in the table 10 4 Applicable Motors Relationship between the DRIVE I SEL switch No and DRIVE CURRENT Factory setting Ｃ Ｄ Ｅ ４ Ｆ 0 263 0 275 0 288 0 300 0 325 0 350 0 375 0 175 0 188 0 200 0 213 0 225 0 238 A phase Ａ Ｂ DRIVE I SEL No ７ ９ ８ １ ２ ０ ５ ６ ３ 0 150 0 163 0 250 CAUTION 18 ...

Page 19: ...itch to OFF 2P When the motor is operated with the pulse signal and direction signal input set the SPI SEL switch to ON 1P In the case that 1 pulse input method is selected the CCW terminal becomes direction signal input designating the direction of the motor rotation Drive pulse set to the CW terminal CW CW The input timing is same with 2 pulse input method and 1 pulse input method As for input t...

Page 20: ...６ Setting HOLD SWITCHING TIME SELECT switch DRIVE HOLD CURRENT automatic switching time is set up with the DHT SEL switch 1 Set the DHT SEL DH1 DH2 switch Fuctory setting DHT SEL DRIVE HOLD Switching Time ON DH2 16ms OFF DH1 150ms 20 ...

Page 21: ...tch Set this switch with power OFF 1 Turn power OFF 2 Set the switch to the setting specified in the table 10 4 Applicable Motors Fuctory setting Sub adjustment Not available OFF OFF OFF OFF RM SEL switch 4 3 2 1 OFF OFF OFF ON OFF OFF ON OFF OFF OFF ON ON OFF ON OFF OFF OFF ON OFF ON OFF ON ON OFF OFF ON ON ON ON OFF OFF OFF ON OFF OFF ON ON OFF ON OFF ON OFF ON ON ON ON OFF OFF ON ON ON ON ON ON...

Page 22: ... with power OFF 1 Turn power OFF 2 Set the functions required by the OP SEL switch Fuctory setting 調整用 使用できません Sub adjustment Not available Function allocation OFF OFF OFF OFF OP SEL switch 4 3 2 1 OFF OFF OFF ON OFF OFF ON OFF OFF OFF ON ON OFF ON OFF OFF OFF ON OFF ON OFF ON ON OFF OFF ON ON ON ON OFF OFF OFF ON OFF OFF ON ON OFF ON OFF ON ON ON OFF OFF ON OFF ON ON ON ON ON ON ON OFF ON ON ON O...

Page 23: ... shock Where it is not exposed to splashes of water oil or chemicals 2 Install the driver at least 5mm away from other equipment However please be installed to a distance of at least 15mm from the heating element Please contact us if you are not installed to a distance of at least 15mm from the heating element 3 Take measures against accumulation of heat such as allowing generous space around the ...

Page 24: ...w 8mm or more in length 2 M 3 spring washer 2 M 3 flat washer 2 1 Fix the product at the two round holes on the main frame Mounting example Fixing with a screw 0 C 8 4 0 C 8 4 0 C 8 4 Fixing with a screw M 3 screw M 3 spring washer M 3 flat washer Fixing with a screw M 3 screw M 3 spring washer M 3 flat washer Fixing with a screw 24 ...

Page 25: ... generates significant noise For the driver s power supply use a DC power supply with reinforced insulation on its primary and secondary sides Example configuration The metallic enclosure and shielded wires work to shield noise DRIVER User Controller J1 CW CW CCW CCW 6 CWP M F M F CCWP 3 4 5 2 1 CWP CCWP Twisted pair wire 7 8 P O P O COM P O M F P O 3 2 5 4 J3 MOTOR 1 DC Power Supply 0V GND DC 24V...

Page 26: ...s When inserting keep pushing J1 housing into the connectors until it is locked Also check if the contacts are not displaced from the housing In wiring isolate the J1 signal lines from equipment that may be さい a source of noise the power line and the motor line Surface on which the contacts are inserted Housing for J1 Crimping Wiring Insertion Connection User Contact DRIVER Controller 0 15mm2 or m...

Page 27: ...he contact into the housing Make sure that the housing No and the connector No on the main frame are matched before inserting the contacts 3 Connect the housings to the connectors on the main frame The contacts for J2 for DC input are 2 pieces and for J3 motor output are 5 pieces When inserting keep pushing J2 J3 housings into the connectors until it is locked Also check if the contacts are not di...

Page 28: ...act J3 Leads of the motor Black Green Orange Red Blue Color indications for the motor crimping J3 represent colors of the leads of the motor Use a cable of 5m or less for the motor cable Housing for J3 0 3mm2 or more 5m Max Housing for J3 0 3mm2 or more 5m Max MOTOR MOTOR BLK ORN 3 3 GRN BLU 5 5 BRN YLW WHT RED 4 4 ORN VIO BLK 1 1 BLU RED GRN 2 2 GRY BLK ORN 3 3 GRN BLU 5 5 BRN YLW WHT RED 4 4 ORN...

Page 29: ...nexpected behavior of the motor Maintain the state where emergency stop is enabled at any time 1 Input the DC power supply DC 24V in the cable that connected to No 1 and No 2 terminals of J2 Timing chart Supply power Motor excitation t1 t1 300ms t1 Time required for the motor to be enabled ON ON CAUTION 29 ...

Page 30: ...Points Setting of HOLD SWITCHING TIME SELECT switch DHT SEL DH1 DH2 SPI SEL 1P 2P Setting of EXTEND FUNCTION SELECT switch OP SEL 4 3 2 1 RM SEL 4 3 2 1 Setting of ROTATE MODE SELECT switch STEP SEL switch No Setting of STEP ANGLE SELECT switch Setting of STEP TABLE switch S T SEL S T1 S T2 Setting of PULSE INPUT TYPE SELECT switch Setting of DRIVE CURRENT SELECT switch DRIVE I SEL switch No Setti...

Page 31: ...Do not disassemble repair or modify 1 As for maintenance inspections the engineer of the specialty shall do it 2 We recommend that the following check ups should be performed periodically Checking for any loosened contact on the connectors Checking for any flaw and crack on the cabling 3 In case of failure return the driver to us and have it repaired WARNING 31 ...

Page 32: ...ve abnormally Setting of the MOTOR SELECT Wrong setting for the MOTOR The motor steps out switch selection Setting of the PULSE INPUT Wrong setting for the pulse TYPE SELECT switch input type Connection of the pulse Wiring error with the pulse signal signal line Voltage and wave form of the Pulse signal of wrong pulse signal specifications Setting of the DRIVE CURRENT DRIVE CURRENT is too low SELE...

Page 33: ... selection Setting of the DRIVE CURRENT DRIVE CURRENT is higher than SELECT switch the setting for the applicable motor Value of the HOLD CURRENT The setting for HOLD CURRENT SELECT switch is too high Short circuiting of the motor output connector may cause the driver to fail The motor output connector and the power line The motor output connector and the motor output connector When the failure ph...

Page 34: ...hin the range set out in the specifications Where there is no explosive corrosive or inflammable gas Where it can be protected from dust salt or iron powder Where the product main frame is not exposed to direct vibration or shock Where it is not exposed to splashes of water oil or chemicals 2 Do not allow standing or placing anything heavy on the product ９ ２ Disposal 1 Dispose of the product as in...

Page 35: ...lection SPI SEL HOLD switching time selection DHT SEL ROTATE MODE SELECT switch RM SEL EXTEND FUNCTION SELECT switch OP SEL Indoor Exposure to direct sun is not allowed Without any explosive corrosive or inflammable gas oil mist or dust 1 Input voltage range is DC 24V 10 2 Use a power supply that provides sufficient input current Ｈ 65 Ｗ 75 Ｄ 29 mm 0 1 kg DC connector signal connector Frame Each ot...

Page 36: ... CCWP CCW CCWP 5V M F COM M F M F C S C S COM C S P O 7 8 Vo R P O P O P O O H A R O H A O H A O H A Vo J1 Photo coupler GND GND 26LS31 Y Z 26LS31 Y Z 300Ω 300Ω Photo coupler Photo coupler 1 3kΩ Photo coupler 1 3kΩ Photo coupler Photo coupler Photo coupler Photo coupler 5V GND 5V GND 5V sink type Photo coupler Vo Photo coupler R R Vo source type DRIVER 36 ...

Page 37: ...Automatic switching for DRIVE HOLD DRIVE HOLD HOLD t1 t1 16ms HOLD SWITCHING TIME SELECT switch ON DH2 t1 150ms HOLD SWITCHING TIME SELECT switch OFF DH1 Inputting drive pulse causes the current output to the motor to change from HOLD CURRENT to DRIVE CURRENT which returns to HOLD CURRENT in about t1 DRIVE CURRENT continues if pulse is input on driving state Direction of rotation CCW CW Clockwise ...

Page 38: ... 4 V Photo coupler diode VF 1 1 V At this time motor torque changes to detent torque When this signal is input motor torque may be lost resulting in failure to retain the load transported In particular this risk is high with the vertical drive such as the Z axis Timing chart M F t1 t1 5ms t1 Time required for the motor output current to be shut off t2 100ms t2 Time required for the motor to be ena...

Page 39: ... 1 1 STEP once in 10 pulses 1 8 STEP once in 80 pulses 1 2 STEP once in 20 pulses 1 16 STEP once in 160 pulses 1 4 STEP once in 40 pulses 1 80 STEP once in 800 pulses 1 10 STEP once in 100 pulses 1 160 STEP once in 1600 pulses 1 20 STEP once in 200 pulses 1 40 STEP once in 400 pulses 1 100 STEP once in 1000 pulses 1 200 STEP once in 2000 pulses 1 400 STEP once in 4000 pulses 1 800 STEP once in 800...

Page 40: ...out fail In case of internal temperature of the driver reaches approx 70 or more the signal is output photo coupler ON and O H A LED comes on At this time the motor output current is not blocked When this signal is output stop operation and check if there is any abnormality occurring with the motor and the driver Provide mechanical cooling for example if this signal is output while no abnormality ...

Page 41: ...es time t1 and t2 before and after inputting drive pulse STEP ANGLE SELECT switch and C S signal STEP ANGLE SELECT switch When the C S signal is input 1 20 0 036 Ｅ Ｆ Ｃ Ｄ Ａ Ｂ ５ ９ ３ ５ ６ ８ ９ Ｆ Ｂ ６ ７ ７ ８ 1 20 1 40 1 80 1 100 1 200 １ ４ ０ STEP SEL No ２ ３ 1 1 1 2 1 4 1 8 1 10 CWP CCWP t1 t2 t1 t2 STEP SEL No S T SEL switch OFF S T1 S T SEL switch OFF S T2 1 Divisions 1 Divisions 0 72 motor step angle 1 8...

Page 42: ...GDB 5K20 Instructions Manual １０ ３ Dimensions Unit mm C 0 8 4 0 C 8 4 0 C 8 4 2 65 70 8 57 75 63 6 6 2 5 70 17 29 3 5 2 5 42 ...

Page 43: ...23PA B PK525PA B Both axis Please contact us if you want to use the motor other than the above to our office OFF OFF OFF OFF Torque Data Fig No Fig 1 E OFF Factory Setting ORIENTAL MOTOR Co Ltd Setting MOTOR SEL switch Current A phase Setting DRIVE I SEL switch No 0 35 E OFF 0 35 E OFF Setting RM SEL switch 4 3 2 1 OFF OFF OFF ON OFF OFF OFF ON Fig 2 43 ...

Page 44: ... r min are converted as follows Use the Motor rotation at 100s 1 6000r min or less 2 The Maximum Starting Pulse Rate is represented as fs by the value at zero inertial load 3 Upon operation provide adequate allowance for torque 4 The stepping motor may attain high temperature depending on the operational conditions Use the stepping motor according to the Instructions Manual produced by motormakers...

Page 45: ...5K20 PK523PA B 0 35A PHASE HOLD 40 0 021N m PULLOUT TORQUE DRIVER INPUT CURRENT Fig 1 fs MOTOR ROTATION SPEED r min 0 6 6 60 600 6000 0 0 1 0 2 0 3 0 4 0 5 0 0 00 0 02 0 04 0 06 0 08 0 10 0 01 0 1 1 10 100 MOTOR ROTATION SPEED s 1 DRIVER INPUT CURRENT A TORQUE N m DRIVE I SEL NoE MOTOR SEL OFF RM1 RM2 RM3 RM4 ON OFF OFF OFF GDB 5K20 PK525PA A 0 35A PHASE HOLD 40 0 095N m PULLOUT TORQUE DRIVER INPU...

Page 46: ...neself Applicable Standards EN61000 6 4 EN61000 6 2 This product conducted EMC measurement with the system configuration for EMC EMC characteristic may vary depending on the configuration of the equipment that contains the driver or stepping motor Be sure to conduct EMC measurement with the product assembled in your equipment The metallic enclosure and shielded wires and ferrite core work to shiel...

Page 47: ...GDB 5K20 Instructions Manual The main parts which revised by this manual R1 Change of figure R2 Correct error and add timing chart for each number of divisions P37 Parts Content P12 25 47 ...

Page 48: ...and Service TEL 042 664 5384 FAX 042 666 2031 URL http www melec inc com Melec Inc Control equipment marketing department 516 10 Higashiasakawa cho Hachioji shi Tokyo 193 0834 Japan This Operating Manual is subject to change without prior notice for the purpose of product improvement C1911 ...

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