X20cAO4622 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation X20cAO4622 is a module in the X20 Fieldbus Input Output Modules series. It offers four analog output channels with a 13-bit converter resolution and supports both 0 to 20 mA and 4 to 20 mA current output modes. Designed for TH35-7.5 mounting rails, it has an IP20 protection rating and withstands operating humidity up to 100 percent condensing.
Internal Product Review
The X20cAO4622 is a B & R Automation analog output module with 4 output channels and 13-bit converter resolution. Support for ±10 V output and 0 to 20 mA / 4 to 20 mA current modes gives the module excellent interface flexibility. IP20 protection and protective coating make the module a dependable choice for controlled industrial cabinets.
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Product Description:
The X20cAO4622 analog output module is produced by B&R Automation for use within the X20 Fieldbus Input Output Modules series. It occupies a single slot in a remote I/O node and translates numerical setpoints from a PLC into precise current or voltage levels. Through this function, the device allows pumps, drives, proportional valves, and other analog-controlled actuators to be manipulated directly from the main control program. Because the conversion takes place at the I/O node, the controller can issue analog commands close to the field wiring, which helps keep cabinet layouts orderly and reduces the need for separate local conditioning hardware.
The module provides 4 separately configurable analog channels. Independent channel setup lets one module serve mixed field devices that require different signal types on the same station. Each channel uses a 13-bit digital-to-analog converter, dividing the full output span into 8192 discrete steps for accurate adjustment of process variables. For current-loop applications, the outputs can be set to 0 to 20 mA / 4 to 20 mA, covering both standard unipolar signaling and live-zero operation. Applications that need a bipolar reference can use the ±10 V range. The hardware is approved for installations that meet Overvoltage Category II, so it is intended for circuits downstream of the facility's main switchgear. A protective coating on the circuit board helps resist corrosive atmospheres, and the module remains functional at 100% condensing humidity.
The housing clips onto a TH35-7.5 DIN rail and remains secure while the machine frame vibrates continuously at 1 g. It can withstand shock loads up to 15 g without permanent output deviation. Operation is permitted up to 2000 m above sea level, which supports use in elevated facilities without recalibration. The front panel is rated IP20, so it provides touch-safe protection but still requires an enclosure in areas exposed to moisture or splash. The rail-mounted housing also supports quick integration into modular control cabinets where adjacent I/O slices share the same backplane and wiring approach.
