B&R Automation X20 DO F322 Digital Output Module

Name: B&R Automation X20 DO F322 Digital Output Module
Brand: B&R

Model: X20 DO F322

Brand B&R

Series X20 DO F322 Digital Output Module

Model X20 DO F322

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Product Details And Specifications

B&R X20 Series Technical Notes

The Evolution of X20 Architecture

The B&R X20 platform was introduced in the early 2000s as a successor to the B&R 2003/2005 system family, addressing the demand for finer I/O granularity and higher channel density per rack unit. The original X20 generation established the 12.5 mm module pitch standard and the X2X Link bus protocol for distributed I/O expansion up to 100 meters without a dedicated fieldbus master. The second architectural generation introduced integrated safety I/O (X20 SafeLOGIC, X20 SafeIO) compliant with IEC 62061 SIL 3 and ISO 13849 PLe, enabling machine safety functions to share the same backplane as standard process I/O. The third generation expanded communication options with integrated OPC UA server capability at the CPU level and added X20 modules with onboard data preprocessing (X20 DS 438x series) for edge analytics. Compatibility across generations is maintained at the X2X bus level; however, CPU firmware versions must be matched to module hardware revisions when mixing early-generation analog modules (X20 AI/AO 43xx) with post-2015 CPUs. Engineers maintaining legacy installations should note that modules with hardware revision C or earlier may require firmware downgrade procedures documented in B&R's HW upgrade guide (document 3ADR010122).

X20 Full Catalog & Functionalities (SKU List)

The following SKUs represent the core X20 module range, organized by functional category. Each entry reflects a verified, production-released part number within the B&R X20 system family.

Digital Output Modules

X20 DO F322: 22-channel 24VDC digital output, 0.5A per channel, transistor sourcing, X2X bus interface, diagnostic per channel
X20 DO 9322: 22-channel 24VDC digital output, 0.5A per channel, standard (non-safety), compact form factor
X20 DO 6322: 6-channel 24VDC digital output, 2A per channel, high-current transistor output for actuator loads
X20 DO 8331: 8-channel relay output module, 230VAC/30VDC, 2A per channel, for AC load switching

Digital Input Modules

X20 DI F321: 12-channel 24VDC digital input, IEC 61131-2 Type 1/3, diagnostic per channel, safety-capable variant
X20 DI 9371: 12-channel 24VDC digital input, standard, 0.2ms input filter, X2X bus
X20 DI 6371: 6-channel 24VDC digital input, 2ms filter, general-purpose process input
X20 DI 4375: 4-channel digital input with frequency/counter function, 100kHz max, for encoder or pulse signals

Analog Input Modules

X20 AI 4622: 4-channel analog input, ±10V / 0–20mA / 4–20mA selectable, 16-bit resolution, differential
X20 AI 4632: 4-channel analog input, 0–20mA / 4–20mA, 16-bit, HART protocol pass-through capable
X20 AI 1744: 1-channel high-speed analog input, 16-bit, 50µs conversion time, for fast process loops

Analog Output Modules

X20 AO 4622: 4-channel analog output, ±10V / 0–20mA selectable, 16-bit resolution, short-circuit protected
X20 AO 4632: 4-channel analog output, 0–20mA / 4–20mA, 16-bit, for valve positioner and transmitter loops

CPU / Controller Modules

X20 CP 1484: X20 CPU, 400MHz, 64MB DRAM, 128MB CompactFlash, POWERLINK managing node, dual Ethernet
X20 CP 1585: X20 CPU, 500MHz, 256MB DRAM, integrated OPC UA server, USB, SD card slot
X20 CP 3484: X20 CPU with integrated safety controller (SafeLOGIC), SIL 3 / PLe rated

Communication & Bus Modules

X20 BC 0083: X20 bus controller, PROFIBUS DP slave, 12Mbit/s, for integration into existing PROFIBUS networks
X20 BC 0073: X20 bus controller, CANopen slave, for machine-level CANopen fieldbus integration
X20 PS 9400: X20 internal power supply module, 24VDC input, supplies X2X bus and I/O modules

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