00.F0.021-0009 KEB
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The KEB 00.F0.021-0009 is part of the F0 Combivert Control Cabinets series and offers DIN 66019 communication protocol compatibility and supports EIA-RS232 and EIA-RS485 serial standards. It features a 9-pin socket connector format, chassis mounting style, and a maximum aux supply current of 50 mA at +5 VDC. The unit uses a non-isolated design and supports both half and full duplex RS485 operation.
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Product Description:
The 00.F0.021-0009 serial communication module is produced by KEB for the F0 Combivert Control Cabinets series. Installed on the chassis rail, it forms the physical layer between cabinet-mounted inverters and supervisory equipment. By providing selectable RS-232 or RS-485 links, the module enables parameter downloads, status polling, and alarm reporting so that drives integrate smoothly into distributed control architectures across assembly lines, conveyors, or process equipment. Its non-isolated design minimizes component count while the board shares a common reference with the host drive electronics.
The card derives logic power from an auxiliary rail that supplies +5 VDC. At full activity, it draws no more than 50 mA, keeping heat dissipation low and permitting operation from the inverter’s internal supply. User access is through a front-mounted CN3 (X3) 9-pin socket that follows the EIA pinout for both point-to-point and multidrop wiring. Message framing complies with DIN 66019 (ANSI X3.28, ISO 1745), so standard PLC master interfaces recognize the telegram structure without special drivers. When the RS-232 mode is selected, cable runs may extend to 15 m before signal quality becomes marginal, which covers typical cabinet-to-HMI distances on factory floors.
For longer spans or noisy environments, the board switches to differential transmission over a 2x2x0.22 mm² shielded bus cable, supporting RS-485 traffic in either half-duplex or full-duplex mode. A selectable termination network of 150 Ohm matches line impedance at the final node to help prevent reflections. A local equipotential connection of at least 10 mm² copper ties the shield and board ground to the cabinet earth bar, reducing common-mode currents. LED status indicators marked TxD and RxD show data flow clearly during operation.
