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B&R X20DOF322

Product Description‌

X20DOF322 (also written X20D0F322) is a digital output module of the B&R X20 system providing 16 outputs for 1-wire connections. It is designed for source (PNP) output wiring and includes integrated output protection. Some vendor listings describe this part as a 32-channel module; the official B&R specification confirms 16 outputs, 24 VDC, 0.5 A, source, 1-wire connections.

Detailed content

‌Technical Specifications‌

Outputs: 16 digital outputs; nominal voltage: 24 VDC (switching voltage 24 VDC -15 %/+20 %); nominal output current: 0.5 A per channel; total nominal current: 8 A; output circuit: source (current-sourcing FET); connection type: 1-wire connections; switching frequency: max. 500 Hz (resistive load); switching delay: output state transferred with a fixed offset <60 µs relative to the network cycle; short-circuit protection with thermal shutdown, peak short-circuit current <3 A; power consumption: bus 0.28 W, internal I/O 0.95 W, additional power dissipation from resistive actuators +0.56 W; protection class IP20; operating temperature: horizontal -25 to +60 °C, vertical -25 to +50 °C; storage/transport -40 to +85 °C; certifications: CE, UKCA, ATEX Zone 2 II 3G Ex nA nC IIA T5 Gc IP20, UL cULus E115267, ABS, BV EC33B, KC and others; required accessories: bus module X20BM11 or X20BM15 (coated: X20cBM11), terminal block X20TB1F (16-pin, 24 VDC keyed).

‌Functional Features‌

16 high-density outputs in a compact X20 form factor; source (PNP) FET output stage with fast switching and long service life; integrated output protection with short-circuit and thermal shutdown; LED status indication and software diagnostics for module run/error and output error status; hot-plug support within the X20 system; ATEX Zone 2 capability; precise, low-offset output timing referenced to the network cycle.

‌Application Scenarios‌

Control of solenoid valves, relays, indicator lights, small motor starters and solid-state relays; packaging and food processing machinery; automotive manufacturing and assembly lines; logistics and warehouse sorting systems; general industrial automation and process control; hazardous areas requiring ATEX Zone 2 certification.

‌Performance Parameters‌

Nominal output current 0.5 A per channel; total nominal current 8 A; switching frequency max. 500 Hz; switching offset <60 µs; peak short-circuit current <3 A; power consumption bus 0.28 W and internal I/O 0.95 W.

‌Material Composition‌

Industrial-grade PCB with FET output stage and protective circuitry; X20 plastic housing; gold-plated backplane connector; pluggable terminal interface; LED indicators.

‌Structural Characteristics‌

Compact X20 module inserted into a compatible X20 base plate; front terminal socket; per-channel status LEDs; side latches and backplane bus connector; IP20 rating for in-cabinet use only.

‌Working Principle‌

The module receives switching commands from the CPU over the X2X backplane bus and drives the corresponding output channels through source-type FET switches. Each channel is monitored for short circuit and overload; on fault the affected channel is shut down and the error status is reported to the CPU and indicated by the channel LED.

‌Installation Requirements‌

Insert into a compatible X20 base plate (for example X20BM11 or X20BM15) mounted on a DIN rail; order the X20TB1F 16-pin terminal block and the appropriate bus module separately; use shielded cable of 0.5 mm² or larger and a star connection for the common positive supply to reduce voltage drop; configure the module in Automation Studio and enable short-circuit protection before first power-up.

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