300W and 1000W AC-DC supplies target medical and industrial with extended comms bus: Page 2 of 2

June 11, 2019 //By Nick Flaherty
300W and 1000W AC-DC supplies target medical and industrial with extended communications bus
Cosel has launched two high power density 300W and 1000W AC-DC power supplies with an extended communications bus for medical and industrial applications.

For flexibility, the PCA300F and PCA1000F include analog and digital interfaces - the analog interface includes current adjustment (ITRM), voltage adjustment (VTRM), remote control ON/OFF, voltage sensing, LED alarms and current monitoring. For extended flexibility, the extended-UART digital interface supports 83 commands for monitoring and control. 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.

All parameters can be programmed and monitored via COSEL’s extended-UART control panel GUI, which can control up to seven units. Extended UART is built-in as standard, and a PMBus option will be available in Q4-2019.

The PCA series can easily be connected in series or parallel for extra power, and in parallel redundant mode N+1 for improved system reliability and availability.

The PCA300F and PCA1000F are rated for operation at temperatures from -20 to +70 degrees C. Cooling is achieved by an internal intelligent fan, the speed of which adjusts automatically to match and work alongside environmental conditions. The fan can also be set to maximum (fixed) speed manually via the digital interface.

The PCA300F and PCA1000F AC-DC supplies include inrush current limiting, over-current protection, thermal protection, and output status alarm. For safety, they have an IN/OUT isolation of 4,000VAC (2MOPP) and IN/FG of 2,000VAC (1MOPP). Output isolation to FG and other functional pins is 500VAC.

The PCA300F and PCA1000F models come with UL62368-1, EN62368-1, C-UL (equivalent to CAN/CSA-C22.2 No.62368-1), ANSI/AAMI ES60601-1, EN60601-1 3rd, C-UL (equivalent to CAN/CSA-C22.2 No.60601-1), and comply with IEC60601-1-2 4th Ed approvals. Conducted noise for PCA300 complies with FCC Part15 class B, VCCI-B, CISPR32-B, EN55011-B, EN55032-B and PCA1000 complies with FCC Part15 class A, VCCI-A, CISPR32-A, EN55011-A, EN55032-A. The harmonic attenuator of both models complies with the IEC61000-3-2 (class A).

All units come in 1U height (41mm, 1.61 inch) Including fan. The PCA300F has a length of 152mm (5.98 inches) and a width of 89mm (3.50 inches), while the PCA1000F has a length of 178mm (7.01 inches) and a width of 102mm (4.02 inches). The PCA300F weighs 840g maximum and the PCA1000F, 1.2kg.

To accommodate application specific requirements, a number of options are available including Coating (C), Low leakage current (G), Terminal block style (T), PMBus interface (I), Reverse air exhaust type (F2), Master/Slave operation (P3), and Modified alarm function (W1).

The PCA300F and PCA1000F have a five-year warranty and conform to the European RoHS Directive, REACH Directive, CB-Report and CE Marking.

www.coseleurope.eu/Products/AC-DC/PCA

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