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Status: Rationed (Active)
The RoboClaw motor controllers from Basicmicro (formerly Ion Motion Control) can control a pair of brushed DC motors using USB serial, TTL serial, RC, or analog inputs. Integrated dual quadrature decoders make it easy to create a closed-loop speed control system. This version can supply a continuous 45 A per channel (60 A peak), operates up to 34 V, and has pin header I/O connections.
Alternatives available with variations in these parameter(s): motor channels continuous output current per channel
RoboClaw 2x15A, 2x30A, or 2x45A dual motor controller (V5D).
RoboClaw 2x15A, 2x30A, or 2x45A dual motor controller (V5D).
RoboClaw 2x15A, 2x30A, or 2x45A dual motor controller (V5D), top view.
RoboClaw 2x15A, 2x30A, or 2x45A dual motor controller (V5D), bottom view showing protective bottom plate.
The RoboClaws from Basicmicro (formerly Ion Motion Control) are a family of efficient, versatile, synchronous regenerative motor controllers. They can supply brushed DC motors with 7.5 A, 15 A, 30 A, 45 A, 60 A, 120 A, or 300 A continuous (depending on the model) at voltages from 6 V to 34 V, 6 V to 60 V, or 10.5 V to 60 V (also depending on the model), and they allow for peak currents well above the maximum continuous ratings. The “Solo” versions feature a single motor control channel while the dual versions (denoted by a “2x” in their names) offer two channels for controlling a pair of motors.
|Operating voltage:||6 V to 34 V||6 V to 60 V||6 V to 34 V||10.5 V to 60 V|
|Continuous output current:||30 A||60 A||300 A||7.5 A||15 A||30 A||45 A||60 A||60 A||120 A|
|Peak output current:||60 A||120 A||300 A||15 A||30 A||60 A||60 A||120 A||120 A||160 A|
|5V BEC(1) max current:||1.2 A||1.2 A (V5B or later)||3 A||1.2 A (V7 or later)||3 A|
|Size:||60 × 32.5 × 23.5 mm||99 × 72.6 × 30 mm||48 × 42 × 17 mm||74 × 52 × 17 mm||100 × 86 × 30 mm||100 × 86 × 30 mm||212 × 126 × 50 mm|
|Weight:||130 g||18 g||60 g||320 g||295 g||1630 g|
1 Battery Eliminator Circuit
The RoboClaws have a USB interface that acts as a virtual serial (COM) port, allowing it to be controlled directly from a computer, and they feature built-in commands for controlling acceleration, deceleration, distance, speed, current sense, voltage limits and more. Several other interface modes are supported by the RoboClaw as well: it can be controlled via TTL serial for use with embedded systems, RC hobby servo pulses for use as an RC-controlled electronic speed control (ESC), or analog voltages for use with potentiometers or analog joysticks.
RoboClaw automatically supports 3.3V or 5V logic levels, travel limit switches, home switches, emergency stop switches, power supplies, braking systems and contactors. Power supplies can be used by enabling the built in voltage clamping control feature. A built-in switching mode BEC supplies 5VDC at up to 1.2 A or 3 A (depending on controller model) for powering user devices.
The RoboClaws can be operated without feedback for open-loop speed control, or they can be used with a variety of feedback types for closed-loop speed or position control. Quadrature encoders with up to 19.6 million pulses per second are supported and can be auto tuned using Motion Studio, which is a free downloadable application. In addition, a wide range of sensor inputs such as potentiometers and absolute encoders are supported. RoboClaw’s closed loop functionality creates absolute control over speed and direction regardless of load changes.
RoboClaw incorporates several protection features including temperature, current, over voltage and under voltage limits. Several user definable settings such as maximum current limit, maximum and minimum battery voltages are provided for more refined control. The controller uses regenerative braking but can be configured with a voltage clamp circuit to limit the regenerative voltage when used with switching power supplies. The Basicmicro VClamp is a voltage clamp specifically designed to work with the RoboClaw and MCP to suppress such voltage spikes and is rated for use with supplies up to 60 V and currents up to 60 A.
This RoboClaw 2x45A (V5E) is a slightly improved replacement for the 2x45A (V5). Specifically, the V5E has a protective plastic plate on the bottom and includes a port for optionally connecting a 5 V, 150 mA cooling fan that the RoboClaw will automatically control based on the board temperature. The board size is the same and the locations of the key interface elements (e.g. buttons, terminal blocks, header pins, USB connector, and mounting holes) are unchanged, allowing this version to be used as a direct replacement for the V5 in typical applications.
This version of the RoboClaw 2×45A has pin headers for I/O connections. It is also available with screw terminal I/O connections (ST 2x45A). Both versions feature a USB Micro-B connector that works with our USB micro-B cables.
You might consider getting this case to house and protect this RoboClaw. The case has an integrated fan that will help keep the RoboClaw cool, allowing it to deliver higher continuous currents and sustain peak currents longer. The fan is a plug and play solution; it connects directly to the designated cooling fan port on RoboClaw (V5D versions or later).
Basicmicro has written an Arduino library for the RoboClaw that makes it easy to interface these motor controllers with an Arduino. The library comes with several example sketches that demonstrate different methods of controlling the RoboClaw. They also have an application note that shows how to use their libraries to control a RoboClaw with an A-Star 32U4 programmable controller.
Note: Basicmicro was formerly Ion Motion Control and Orion Robotics. Basicmicro uses the following product names and numbers for the RoboClaw controllers:
“RoboClaw Solo 30A Motor Controller”, Item Id: ION408/IMC408
“RoboClaw Solo 60A Motor Controller”, Item Id: ION410/IMC410
“RoboClaw Solo 300A Motor Controller”, Item Id: IMC406
“RoboClaw 2x7A Motor Controller”, Item Id: ION404/IMC404 (replaces “RoboClaw 2x5A”, Item Id: ION403/IMC403)
“RoboClaw 2x15A Motor Controller”, Item Id: ION412/IMC412
“RoboClaw 2x30A Motor Controller”, Item Id: ION413/IMC413
“RoboClaw 2x45A Motor Controller”, Item Id: ION418/IMC418
“RoboClaw ST 2x45A Motor Controller”, Item Id: ION419/IMC419
“RoboClaw 2x60A Motor Controller”, Item Id: ION414/IMC414
“RoboClaw 2x60AHV Motor Controller”, Item Id: ION415/IMC415
“RoboClaw 2x160A Motor Controller”, Item Id: ION426/IMC426
RoboClaw versions V5 and above have USB Micro-B connectors; older USB RoboClaws had a USB Mini-B connector. The RoboClaw 2×160A uses a USB B connector.
|Size:||2.1″ × 2.9″ × 0.9″|
USB; non-inverted TTL serial (2-way);
RC servo pulses; analog voltage1
|Minimum operating voltage:||6 V|
|Maximum operating voltage:||34 V|
|Continuous output current per channel:||45 A|
|Peak output current per channel:||60 A|
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RoboClaw Case with Fan enclosing a RoboClaw (not included). RoboClaw Case with Fan, open with RoboClaw (not included) mounted inside....