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Match the complete marking
Include the complete B&R X20AO2622 marking and any hardware revision on the item. Include the installed rack/bus arrangement and actual hardware revision.
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Check the offered item before ordering
Request available label and connector photos. Have your maintenance team compare the offered X20AO2622 with the installed equipment and applicable B&R documentation.
Technical specifications for X20AO2622
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Manufacturer:B&R
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Product Category:PLC Systems
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Spare Part Number:X20AO2622
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Weight:0.02 kg
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Tariff Code:8537101190
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Output channels:2
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Voltage span:+/-10 V
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Current span:0-20 mA;4-20 mA conditional
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Voltage resolution:12 bits plus sign
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Current resolution:12 bits
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Conversion time:200 microseconds; all outputs
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Full-range settling:1 ms
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Voltage load:At least 1 kilohm
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Current load:600 ohms from J0;500 ohms before J0
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Minimum I/O update:300 microseconds
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Isolation:Outputs to bus; not between outputs
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Internal I/O power:1.1 W
Information
- B&R X20AO2622 connects its configured field signals and diagnostic states to the automation task. Correct operation depends on retaining the installed hardware selection and the application settings together.
Voltage span: +/-10 V
Current span: 0-20 mA;4-20 mA conditional
All outputs convert within 200 microseconds and settle within 1 ms for a full-range change. At a minimum 300 microsecond cycle, function model 0 transfers corrected values in the next cycle for lower jitter, while function model 1 makes them available in the same cycle for faster reaction.
Current-load capacity is revision dependent:600 ohms from J0, 500 ohms earlier. Voltage operation requires at least 1 kilohm load. Outputs are protected against short circuits and isolated from the bus, but not from each other. Preserve the hardware revision, selected output terminals and application scaling during exchange.
X20AO2622 Official Technical Excerpt
The original technical excerpt for B&R X20AO2622 covers identity, interface limits and configuration behavior. PDF · 8 pages.X20AO2622 Installation & Verification Guide
Apter Power installation and verification guide covering configuration retention, reconnection, functional tests and diagnostic recovery. PDF · 5 pages.
Application scope: Apply the exact hardware and software configuration to the assigned machine function. A similar connector or base family is insufficient to establish replacement compatibility.
Configured machine function
The module offers two outputs whose voltage or current function depends on both the selected terminals and channel configuration. Bipolar voltage uses a 12-bit magnitude plus sign; current conversion is 12-bit. The 4-20 mA mode requires upgrade 1.0.2.0 or hardware revision I0 and later.Interface continuity
Retain the selected low-jitter or fast-reaction model. Account for 200 microsecond conversion and 1 ms full-range settling in the application test.Diagnostic acceptance
Verify references and loads without assuming channel-to-channel isolation. Investigate shared-reference wiring if one circuit affects the other.Controlled restoration
Check module run/error and channel indications during controlled restart. Verify the intended output state before returning automatic control.
Capture the X20AO2622 revision and software upgrade. Check the 4-20 mA availability and current-load limit against that revision before removal.
Place connected actuators in the approved maintenance state. Prevent a disconnected or startup output from causing unintended motion.
Verify the receiver load and whether voltage or current terminals are used. Match current-load limits to pre-J0 or J0-and-later hardware.
Reconnect the correct terminals and restore channel type in software. Do not rely on a software mode change to correct a wrong terminal connection.
Apply controlled commands at representative points and compare actual voltage/current at the receiver. Keep the actuator in its safe test condition.
Check module run/error and channel indications during controlled restart. Verify the intended output state before returning automatic control.
Alternative Names
Technical notes
Revision-dependent output: Check the hardware and upgrade level before configuring 4–20 mA or assigning the maximum current-loop load. Those capabilities are not uniform across all revisions.
Timing boundary: Account for conversion, update scheduling and analog settling separately. The register transfer time does not by itself specify the time for the field output to settle.
FAQ View All FAQ
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Is wiring alone sufficient to select current mode on X20AO2622?No. Both the terminal connection and channel configuration must match the required current or voltage signal.
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Which revisions support 4-20 mA operation on X20AO2622?Support begins with upgrade version 1.0.2.0 or hardware revision I0. Check the actual unit before retaining that mode.
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Can every X20AO2622 revision drive a 600-ohm current load?No.600 ohms applies from hardware revision J0; earlier revisions have a 500-ohm maximum current load.
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How do the two function models of X20AO2622 differ?At cycles of at least 300 microseconds, model 0 outputs corrected values in the next cycle for reduced jitter, while model 1 outputs them in the same cycle for faster reaction.
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What is the full-span settling time of X20AO2622?The specified settling time is 1 ms after an output change across the entire range. Conversion for all outputs is 200 microseconds.
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Does X20AO2622 provide 16-bit analog accuracy because its register is INT?No. The register representation is not the converter resolution. Voltage conversion is 12 bits plus sign and current conversion is 12-bit.
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What minimum load resistance applies to voltage outputs on X20AO2622?The voltage load must be at least 1 kilohm, corresponding to a maximum+/-10 mA under the stated voltage-load condition.
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Are the output channels of X20AO2622 mutually isolated?No. Isolation is between the channel side and bus; the output channels are not isolated from one another.
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