The RBC300F is an open-frame, configurable AC/DC power supply with triple outputs tailored for robotic controllers and factory automation.
It offers three configurable isolated outputs, with one having a reinforced isolation to power Intelligent Gate Bipolar Transistors (IGBT) or equivalent applications.
By reducing the need for an extra isolation transformer when connected to a distribution panel, the RBC300F power supply simplifies the design process for systems architects while reducing costs. It includes built-in digital control in the primary and an option featuring extended UART communication interface for control, monitoring and sequencing.
Designed for worldwide applications, the AC-DC converter accepts input voltages of 85 to 264VAC, single phase, and delivers an output power of 300W with an efficiancy up to 92 percent via three independent outputs.
The master output (Slot 1) can deliver 240W and is available in three output versions: 12V/16A, 24/10A and 48V/5A.
The second output (Slot 2) can host configured modules with single or dual outputs of 5V/3A ; 12V/1.3A ; 24V/0.65A ; +/-12V/0.6A ; +/-15V0.5A ; 3.3V/5A ; 5V/5A ; 12V/2.5A ; 16.5V/1.9A ; 24V/1.3A ; 48V/0.65A ; +/- 12V/0.7A and +/-15V/0.7A with a power of 14.4 to 30W depending on the output voltage.
The third output (Slot 3) can host any of the single output voltage modules in the same power level. For higher voltages, outputs can be connected in series. All output voltages are adjustable via a built-in potentiometer.
Applications in robotics control are often powered by 24V or 48V bus voltage. In such applications the distribution bus might be subject to repetitive peak energy demand, requiring the power supply to sustain such load conditions. The RBC300F 24V and 48V output modules have been designed to operate efficiently in peak load conditions and can sustain up to 150% peak current.
The reinforced isolation of output three is suitable to supply voltages to IGBTs or IPMs, which reduces the number of power supplies required to power robotic controllers. By integrating a reinforced isolated output, reducing the footpint to 114 x 38.3 x 203mm [4.49 x 1.5 x 7.99 inches] (W x H x D) with a weight of 710 grams max
To optimize efficiency, the master output DC-DC converter is based on an LLC resonant topology when the second and third outputs are using Quasi-Resonant-Flyback topology.
The RBC300F has built-in inrush current limitation, overcurrent, overvoltage protections, an input to output isolation of 3,000VAC and an input to ground isolation of 2,000VAC. The isolation voltage between the three outputs has been optimized for robotic controllers applications. Isolation between the master output and output two corresponds to a functional isolation of 500VAC when the isolation between the master output, output two and the third output is reinforced to 3,000VAC.
The product is designed for convection cooling and can be operated from -20 to +70 degrees centigrade. Depending on the final equipment assembling and cooling conditions, a derating may apply.
To accommodate application specific requirements, a number of options are available including Coating (C), Low leakage current (G), (S) (SN) different type of chassis and cover, (R) ON/OFF remote control, (T) Vertical screws on terminal block, (U1) External hold-up capacitor input.
For extended flexibility the I3 RBC300F option features an Extended-UART (Universal asynchronous receiver-transmitter) digital interface supporting 49 commands for monitoring, controlling and sequencing. Operating data can be stored and locked inside the internal memory, and recorded error codes can be used for analysis and the recording of operational hours for preventive maintenance.
The RBC300F can be directly connected to the installation distribution panel, eliminating the need for an additional isolation transformer. The RBC300F is certified in accordance to UL62368-1, C-UL (equivalent to CAN/CSA-C22.2 No.62368-1), EN62368-1, EN62477-1 (OVC III) and complies with EN61558-2-16 (OVC III).
The RBC300F has a built-in active input filter, and conducted noise complies with FCC-B, VCCI-B, CISPR11-B, CISPR32-B, EN55011-B, EN55032-B and the harmonic current emission with the IEC61000-3-2 (class A).
The RBC300F has a five-year warranty. Options (U1) and (I3) will be available in Q4-2020. An optional chassis with cover is available on request, as well as a vertical mounting terminal block.
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