Product Description
Roboteq’s VBL2350 is a high-current, dual channel controller for hall-sensor equipped Brushless DC motors. The controller uses the position information from the sensors to sequence power on the motor’s 3 windings in order to generate smooth continuous rotation. The controller also uses the Hall sensor information to compute speed and measure travelled distance inside a 32-bit counter. The motor may be operated in open or closed loop speed mode. Using low-cost position sensors, they may also be set to operate as heavy-duty position servos.
The VBL2350 accepts commands received from an RC radio, Analog Joystick, wireless modem, or microcomputer. Numerous safety features are incorporated into the controller to ensure reliable and safe operation. The controller's operation can be extensively automated and customized using Basic Language scripts.
The controller can be configured, monitored and tuned in realtime using a Roboteq’s free PC utility. The controller can also be reprogrammed in the field with the latest features by downloading new operating software from Roboteq.
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Technology Information
Detailed description of the technology and features common to all Roboteq controllers can be found on the Technology page.
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VBL2350
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| Power Stage |
| Operating Voltage |
10V to 50V DC
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| Number of Channels |
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| - |
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2 x 75A
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2 x 60A
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2 x 50A
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| Surge Current |
>200A
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| ON Resistance |
6 mOhm
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| Current Limiting |
By automatic power output reduction above user preset level, per channel
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| Synchronous Rectification |
Yes - Allows regenerative braking
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| Temperature protection |
Automated current limit reduction starting at 70o C (175o F) heat sink temperature
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| Voltage protection |
Output shut off below 9V and above 50V - user adjustable
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| Short Circuit protection |
Yes
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| Power Wiring |
AWG8 Cables to Battery, AWG10 Cables to Motors
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| Command |
| R/C Inputs |
1.0ms - 1.5ms center - 2ms, Adjustable
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| Serial Interface |
RS232. 115200 bauds
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| Analog Interface |
1 inputs (0V - 2.5V center - 5V)
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| Input Corrections |
Programmable deadband. 6 Exponent & Logarithmic command curves.
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| Input/Outputs |
| Optical Encoder Interface |
Not available
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| Hall Sensor Inputs |
3 phase inputs for motor switching, speed capture and odometry
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| Analog Inputs |
up to 4 inputs, 10-bit resolution
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| Digital Outputs |
2 outputs, 24V 1A max
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| Digital Inputs |
up to 6 general purpose inputs
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| Pulse Inputs |
up to 5 Pulse Length, Duty Cycle or Frequency inputs
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| 5V Supply Output |
100mA max for Radio or other devices
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| Operating Modes |
| Open Loop Speed |
Forward & Reverse Speed Control. Separate or Mixed
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| Closed Loop Speed |
Use Hall Sensors, analog or pulse speed feedback. PID
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| Position Mode |
Use Hall Sensors, analog or pulse position feedback. PID
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| MicroBasic Scritping |
| Max Program Size |
~1500 lines of Basic-language code, 1000 user variables
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| Execution Speed |
Higher than 50,000 lines per sec
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| Physical |
| Operating Temperature |
-40 to +85oC heat sink temperature
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| Enclosure |
Aluminum extrusion
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| Cooling |
Heatsink
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| Controller size |
5.5" (140mm) wide x 1.6" (40mm) tall x 9" (228mm) long including mounting brackets
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| Cables |
10" (25cm) RC cable to Radio
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| Weight |
3.3lbs (1.5kg)
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VBL2350
![[Image]](/images/stories/odercart-small.gif)
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Products 
![[Image]](/files_n_images/images/pfolder_vbl1650.jpg)
