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Address:15-4, #799 Hushan Road, Jiangning, Nanjing, China
Record of Revisions
Manual Revision
V1.0
User Manual
DM422T
2-Phase Digital Stepper Drive
©2023 All Rights Reserved
Tel: 0086-2587156578
Web: www.omc-stepperonline.com
Sales:sales@stepperonline.com
Support: technical@stepperonline.com
Date
Description of Release
Dec. 2022
Initial Release
DM422T Digital Stepper Drive User Manual
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Summary of Contents for StepperOnline DM422T
- Page 1 DM422T Digital Stepper Drive User Manual User Manual DM422T 2-Phase Digital Stepper Drive ©2023 All Rights Reserved Address:15-4, #799 Hushan Road, Jiangning, Nanjing, China Tel: 0086-2587156578 Web: www.omc-stepperonline.com Sales:sales@stepperonline.com Support: technical@stepperonline.com Record of Revisions Manual Revision Date Description of Release V1.0...
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Page 2: Table Of Contents
DM422T Digital Stepper Drive User Manual Table of Contents 1. Features ................................1 2. Specifications ..............................1 2.1 Electrical Specifications ......................... 1 2.2 Environment ............................1 2.3 Mechanical Specifications ........................1 2.4 Elimination of Heat ..........................2 3. Connection Pin Assignments and LED Indication ..................2 3.1 Control Connector ..........................2... -
Page 3: Features
DM422T Digital Stepper Drive User Manual 1. Features Step & direction (PUL/DIR) or double pulse control Input voltage 12~50VDC 500 KHz max pulse input frequency 4 microstep resolutions via DIP switches 8 output current settings via DIP Switches ... -
Page 4: Elimination Of Heat
Figure 1 Mechanical specifications Side mounting recommended for better heat dissipation 2.4 Elimination of Heat DM422T reliable working temperature should be < 40℃ (109°F) It is recommended to use automatic idle-current mode to reduce motor heating. That means set the SW4 ... -
Page 5: Led Light Indication
3.3 LED Light Indication There are two LED lights for DM422T. The GREEN one is the power indicator which will be always on generally. The RED one is a protection indicator which will flash 1-2 times in a 3-second period, when protection enabled for a DM422T. -
Page 6: Motor Connection
Figure 7 4-lead Motor Connections 6. DIP Switch Configurations The DM422T has 6-bit, 4-bit DIP switch and a 1-bit DIP switch. The first 6-bit is used to configure settings of micro step resolution, output current, motor standstill current as shown below. -
Page 7: Output Current Configurations
DM422T Digital Stepper Drive User Manual 6.2 Output Current Configurations The first three bits (SW1, 2, 3) of the DIP switch are used to set the dynamic current. Select a setting closest to your motor’s required current. Note: “default” means the parameters can be set by GUI tuning software. -
Page 8: Sequence Chart Of Control Signals
DM422T Digital Stepper Drive User Manual 7. Sequence Chart of Control Signals In order to avoid some fault operations and deviations, PUL, DIR and ENA should abide by some rules, shown as following diagram: Figure 9 Sequence charts of control signals Remark: t1: ENA must be ahead of DIR by at least 200ms.
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