Leetro DMDT506 User manual

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User Manual for
DMDT506
(Manual Version 1.1)
Features:
Input power up to 50VDC
Up to 200KHz Pulse response frequency
TTL compatible and optically isolated input
Micro-steps up to 10000-pulse per revolution
Output current up to 5.8A/phase
Over-voltage, over-current protections
.
Leetro Automation Co., Ltd
Building 8-B, Dayi Zone of Incubating Hi-tech,
No.1 South 2nd Keyuan Road,
Chengdu 610041, CHINA
www.leetro.com
[e-mail]

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1. Electrical Specifications
Tj=25℃
Parameters Min. Typical Max. Unit
Output Current (RMS) 1.8 - 5.8 A
Power Supply 12 36 50 VDC
Logical Current 6 10 30 mA
Pulse Frequency 0 - 200 KHz
Isolation Resistance 500 - - MΩ
Approx. Net Weight - 0.35 - Kg
2. Operation Environment
Caution Avoid dust and corrosive gas/oil
Temp. 0℃ ～ +50℃
Humidity Under 90% RH
Condition
Vibration 5.9m/s2Max
Storage Temperature -20℃ ～ +70℃
3. Pins
Pin Description
PUL+
PUL- One step ahead when the pulse rising edge is active. Step
distance is subject to the micro-step.
DIR+
DIR-
This Active-high/low signal is used for determining the rotate
direction of motor. Please note that rotation direction is also
related to the connection of motor wires.
ENA+
ENA-
This signal is used for enabling/disabling the driver. Active-high
for enabling the driver (optical-isolation is not through),
Active-low for disabling the driver (optical-isolation is through).
DC- Power Ground
DC+ Power Supply, +12～50VDC, including voltage fluctuation and
EMF voltage.
A+
A- Motor Phase A
B+
B- Motor Phase B

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4. Micro-step Setting
Micro-
step
Step/rev.
(1.2°Motor)
SW5 SW6 SW7 SW8
1 200 on on on on
2 400 off on on on
2.5 500 on off on on
3 600 off off on on
4 800 on on off on
5 1000 off on off on
6 1200 on off off on
8 1600 off off off on
10 2000 on on on off
12.5 2500 off on on off
15 3000 on off on off
20 4000 off off on off
25 5000 on on off off
30 6000 off on off off
40 8000 on off off off
50 10000 off off off off
NOTE:
Please shut down and re-apply power after micro-step setting is changed!
5. Output Current Setting
5.1 Dynamic Current
Peak Current (A) SW1 SW2 SW3
1.8 off off off
2.4 on off off
2.9 off on off
3.5 on on off
4.0 off off on
4.6 on off on
5.2 off on on
5.8 on on on
5.2 Standstill Current
SW4 defines the standstill current.
Status “off”is to set the standstill current as 60% of dynamic current.
Status “on”is to set the standstill current as same as the dynamic current.

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6. Wiring Connections
6.1 to the Stepping Motor
6.2 to the Controller
6.2.1 Common Anode

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6.2.2 Common Cathode
6.3 Typical System

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7. Sequence Chart of Control Signal
8. Mechanical Structure (unit: mm)