Tags: Controller Board
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FMD2740C CNC Driver 50V/4A/128 Microstep Hybrid Stepper Motor Driver Controller
Instructions: Click here
Weak signal interface
|
Signal |
Function |
|
SP+ |
Pulse signal + end |
|
SP- |
Pulse signal - end |
|
DIR+ |
Direction signal +end |
|
DIR- |
Direction signal-end |
|
EN+ |
Enable signal +end |
|
EN- |
Enable signal -end |
Strengths connection port
|
Signal |
Function |
|
VIN+ |
12to50 v dc power supply input +end,it is recommended to use 36V3A |
|
GND |
DC power supply connection ground |
|
A+ |
Stepper motor A + Phase terminal |
|
A- |
Stepper motor A - Phase terminal |
|
B+ |
Stepper motor B+ Phase terminal |
|
B- |
Stepper motor B - Phase terminal |
NOTE: This drive does not contain
anti-anti-interpolation circuit so non-input positive and negative power
supply upside down! Otherwise it will damage the drive!
|
Cooling method |
Natural cooling or forced air cooling |
|
|
Use of the environment |
Occasions |
Avoid dust, oil mist and corrosive gases |
|
Temperature |
0°C-+50°C |
|
|
Humidity |
40-90%RH |
|
|
Vibration |
6m/s2 MAX |
|
|
Storage temperature |
-20°C-+65°C |
|
|
Weight |
250g |
|
8, Power supply
The supply voltage can work normally in between DC12V-50V, FMD2740A driver can use ordinary switch DC power supply, can also be used for transformer and the bridge rectifier and filter capacitor, capacitance desirable 2000U to 5000U. Note rectified voltage ripple crest does not exceed 50V.Recommended the user to use the 24V-32V DC supply , avoid the grid fluctuations over drive voltage operating range.
Note:
1, Wiring should pay attention to the power of positive and negative Do not be reversed;
2, In order to reduce costs, multiple drives can share a power supply. But it should improve the rated power and rated output current of the power and attention to cooling.
9,Attenuation of the DIP switch settings
|
Decay mode |
SW1 |
SW2 |
|
Slow decay |
OFF |
OFF |
|
Mixed decay |
ON |
OFF |
|
Fast decay |
OFF |
ON |
10,Subdivision DIP switch settings
10,Subdivision DIP switch settings
11,Current DIP switch settings
The FMD2740A driver can drive all current 4A 4-wire, 6-wire or 8-wire 2-phase / 4-phase motors, are detailed below 4-wire, 6-wire, 8 wire stepper motor connection:
14,Matching of the drive and motor
FMD2740A driver can drive the domestic and foreign manufacturers of 2-phase or 4-phase motor, in order to obtain the most satisfactory driving, you need to choose a reasonable supply voltage and current setting. Supply voltage determines the level of the high-speed performance of the motor, and the current set value determines the output torque of the motor.
Supply voltage selected
Generally speaking, the higher the supply voltage, the greater the torque motor at high speed, the more it can avoid the high speed out. But another aspect, the voltage is too high will lead to over-voltage protection, and can even damage the drive, but also in the high-pressure work, low speed vibrations.
The output current is set
For the same motor, the greater the current setting, the higher speed, the current motor and drive more heat. So under normal circumstances the current setting into a powered machine warm but not too hot long-term value.
Note: the current settings after you run the motor for 15-30 minutes, if the motor temperature is too high, you should reduce the current settings. If the motor current setting, the motor output torque is not enough to improve heat dissipation conditions to ensure that the motor and drive are not hot
