Leadshine EM870S User Manual Download

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EM870S Digital Stepper Drive User Manual

User Manual

EM870S

Digital Microstep Drive

Revision 3.1

Address:

Floor 11, Block A3, Nanshan iPark, Xueyuan Avenue 1001, Shenzhen, Guangdong, 518055, China

Tel:

(86)755-26409254

Fax:

(86)755-26402718

Web:

www.leadshine.com

Sales:

[email protected]

Support:

[email protected]

Summary of Contents for EM870S

Page 1: ... Microstep Drive Revision 3 1 2019 Leadshine Technology Co Ltd Address Floor 11 Block A3 Nanshan iPark Xueyuan Avenue 1001 Shenzhen Guangdong 518055 China Tel 86 755 26409254 Fax 86 755 26402718 Web www leadshine com Sales sales leadshine com Support tech leadshine com ...

Page 2: ...hile every precaution has been taken in the preparation of the book Leadshine assumes no responsibility for errors or omissions Neither is any liability assumed for damages resulting from the use of the information contained herein This document is proprietary information of Leadshine that is furnished for customer use ONLY Information in this document is subject to change without notice and does ...

Page 3: ... 4 lead Motor Connection recommended 6 5 2 6 lead Motor Connection 6 5 3 8 lead Motor Connection 7 6 Power Supply Selection 7 6 1 Regulated or Unregulated Power Supply 7 6 2 Power Supply Sharing 8 6 3 Selecting Supply Voltage 8 7 DIP Switch Configurations 8 7 1 Output Current Configuration SW1 3 8 7 2 Idle Current Configuration SW4 9 7 3 Micro Step Configuration SW5 8 9 7 4 Smoothing Filter Time C...

Page 4: ...es Step direction PUL DIR or CW CCW double pulse control 20 80VDC supply voltage 200 KHz 500KHz optional max pulse input frequency 16 microstep resolutions of 200 25 600 via DIP switches or 200 51 200 via software increase by 200 8 output current settings of 1 4 7 0A via DIP Switches or 0 5 7 0A via software increase by 0 1 Configurable control command smoothing for reducing motor vibration Idle c...

Page 5: ...ion setup 5 0 μs Isolation resistance 500 MΩ 2 2 Environment Cooling Natural Cooling or Forced cooling Operating Environment Environment Avoid dust oil fog and corrosive gases Ambient Temperature 0 65 C 32 149 F Humidity 40 90 RH Operating Temperature 0 50 C 32 122 F Vibration 10 50Hz 0 15mm Storage Temperature 20 C 65 C 4 F 149 F Weight Approx 250g 8 8 oz 2 3 Mechanical Specifications unit mm 1in...

Page 6: ...olated high level 4 5 5V or 24V low voltage 0 0 5V 2 Maximum 200 KHz input frequency 500KHz customized model is available 3 The width of PUL signal is at least 2 5μs duty cycle is recommended 50 4 Single pulse step direction or double pulse CW CCW is set by DIP Switch SW14 5 DIR signal requires advance PUL signal minimum 5 μs in single pulse mode 6 The activated edge of PUL and DIR is set by DIP S...

Page 7: ...tails A Connect to motor A wire A Connect to motor A wire B Connect to motor B wire B Connect to motor B wire 3 5 P5 Tuning Port EM870S has a tuning port with RS232 to modify the drive parameters it s only for tuning not for equipment control because neither precision nor stability is sufficient If you need a field bus drive use a Leadshine RS485 or EtherCAT type drives http www leadshine com Prod...

Page 8: ...tor signals Figure 4 Connections to PNP signals Common anode Common cathode 4 2 Fault and Brake Output Connection Fault Output When over voltage or over current protection happens EM870S red status LED light will blink and the impedance state between ALM and COM will change from low to high or high to low depending on configuration and can thus be detected Fault output connection is optional and i...

Page 9: ...4 lead motor is easy to use with excellent performance Refer to figure 8 for how to connect a 4 lead stepper motor Figure 8 4 lead Motor Connection 5 2 6 lead Motor Connection EM870S can power 6 lead stepper motors through half coil connection half chopper or full coil full copper connection The half coil connection only uses one half of the motor s winding and is usually selected in applications ...

Page 10: ...rame sizes NEMA 23 to 34 made by Leadshine or other motor manufacturers To get optimal performances it is important to select proper power supply type voltage and supply output current In general power supply voltage determines the high speed performance of a stepper motor while drive output current determines the driven motor torque output Higher supply voltage can increases motor speed torque pe...

Page 11: ... second 8 bit DIP switch is located on the top DIP switch selector 2 in figure 2 and used to configure settings of control command filtering time motor auto configuration fault output impedance pulse active edge control mode lock shaft and self test as shown below the factory setting of SW1 SW8 is OFF OFF OFF ON ON OFF OFF OFF The Third 1 bit selector is located on the top DIP switch selector 3 in...

Page 12: ...d 90 at ON position When the driven stepper motor is idle no movement for 0 4 second the output current of EM870S will be automatically reduced to the configured percentage 7 3 Micro Step Configuration SW5 8 Each EM870S has 16 micro step settings which can be configured through DIP switch SW5 SW6 SW7 and SW8 See the following table for detail When they are set to ON ON ON ON the microstep can be s...

Page 13: ... change to high impedance when the drive goes into fault When SW12 is set to ON position that resistance will be set to high impedance in normal condition and changed to low impedance under error protections 7 7 Activated Pulse Edge Configuration SW13 DIP switch SW13 is used to configure pulse edge Set it to OFF position factory setting means that a pulse is activated at voltage rising edge and ON...

Page 14: ...es multiple EM870S drives separately connecting the drives to the power supply is recommended instead of daisy chaining It is prohibited to pull and plug connector P3 P4 while the drive is powered ON because there is high current flowing through motor coils even when motor is at standstill Pulling or plugging connector P4 with power on will cause extremely high back EMF voltage surge which may dam...

Page 15: ...light will blink for 1 or 2 or 4 times in a period of 3 seconds If fault output connection is connected the impedance mode between ALM and ALM will be changed See Fault Output Configuration section for detail Priority Time s of Blink Sequence wave of red LED Description 1st Always on The drive was short circuited or burned out 1st 1 Over current protection activated when peak current exceeds the l...

Page 16: ...ution setting is wrong DIP switch current setting is wrong Fault condition exists or the drive is disabled Motor rotates in the wrong direction Motor phases may be connected in reverse Pulse mode may be wrong Red light blinking Red light blinks 1 time or always on try not to connect the motor and restart the power supply Red light blinks 2 times check the power voltage and restart the power supply...

Page 17: ...tion or misuse or operation beyond the electrical specifications of the product and or operation beyond environmental specifications for the product Obtaining Warranty Service To obtain warranty service please contact your seller to obtain a returned material authorization number RMA before returning product for service Shipping Failed Products If your product fail during the warranty period pleas...

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