Real Time Automation 435USB Review: Specs, Price and Integration
Updated: 7 days ago
Real Time Automation 435USB transfers ASCII data between supported USB devices and an Allen-Bradley PLC. The manufacturer's displayed indicative price range is US$941.28–US$957.03, depending on selection.
Technical Specifications
Parameter | Specification |
Product role | USB ASCII to Allen-Bradley PLC gateway |
USB device classes | HID Class 3 and Printer Class 7 |
USB devices | Up to 2 |
PLC connections | 1 PLC |
Configuration | Browser-based mapping |
Manufacturer price reference | US$941.28–US$957.03 |
Quick Verdict
435USB is a focused option when an existing USB scanner, scale, reader or printer needs to exchange supported ASCII information with an Allen-Bradley control system. Its appeal is the defined gateway function rather than an open-ended computer integration project. The decisive first check is the actual peripheral's interface class and data format. A USB connector alone is not proof that a device is compatible.
Design and Integration Scope
Draw the data path before selecting the gateway: peripheral, message, destination in the PLC and the machine action that uses that information. Decide which side owns a transaction and how it is acknowledged. This can prevent a working communication connection from being mistaken for a finished application. The controller still needs a clear interpretation of valid data, incomplete data and the absence of a new message.
Configuration and Software
The manufacturer describes browser-based configuration and direct mapping to a PLC tag or register location. Build a small test around a representative message rather than beginning with the full machine sequence. Document the destination, character handling and expected completion behavior. Then test the boundaries: the shortest valid record, the longest expected record and an intentionally invalid record. Save the accepted configuration with the machine documentation.
USB Peripheral Compatibility
RTA identifies HID Class 3 and Printer Class 7 support. Obtain the actual peripheral's interface information and configuration, especially when it can operate in several modes. A device that appears to a PC as a different class may need a different integration approach. Keep a known-good peripheral configuration with the gateway record so a replacement scanner or printer does not silently change the data path.
Applications and Use Cases
A barcode station is an example of a useful evaluation case: the application must associate the received code with the correct part or operation. Test duplicate reads, unreadable labels and a scan that arrives at the wrong process step. For a scale, define the required stability indication and units before accepting a number as a process value. These are commissioning questions for the complete application, not proof that the gateway alone provides traceability or measurement validation.
Diagnostics and Recovery
RTA documents diagnostic status, counters and logging. Use the available information to distinguish a peripheral problem from a PLC connection or application-handshake problem. Include restart recovery in the acceptance plan. Decide what happens to a pending record after a power interruption and how the operator can tell whether the last transaction completed. A communication path should not make an old record look like a new production event.
Price and Value
The manufacturer's product page displays US$941.28–US$957.03 for 435USB selections. This is an indicative published product range checked October 15, 2026; the final ordering configuration determines the applicable amount. Include mounting, wiring and any required peripheral changes in the project budget. Compare implementation and service effort as well as hardware cost. Prices, shipping, tax and supply terms may change.
Comparison with a General-Purpose Integration PC
A gateway and a PC-based integration can be compared only after defining the same required function. For a small, stable ASCII transaction, a focused appliance may make the service boundary easier to document. A broader application may need processing, storage or interfaces outside that scope. Compare who maintains the configuration, how the system is restored and what must be changed when the peripheral or PLC application changes. Do not assume either architecture eliminates commissioning.
Pros and Cons
The product's defined USB-to-PLC scope and browser-based setup can be useful for a focused integration. Manufacturer diagnostics and support information help establish a service plan. Limitations include the supported USB classes and message scope: this is not a universal bridge for every USB device or file format. The machine application must still define data validity, transaction timing and recovery.
Who Should Buy 435USB?
Consider 435USB when a documented supported peripheral and compatible Allen-Bradley PLC need the specific ASCII exchange it provides. Prepare a representative record and an acceptance sequence before purchasing. Confirm the complete ordering selection, then test the application under normal and interrupted operation. Keep the configuration and peripheral setup with the PLC project so future maintenance can restore the intended data path.
Pros
Focused USB ASCII to PLC integration scope
Browser-based configuration
Manufacturer diagnostic and support resources
Cons
USB device class and data format must match
Not a universal adapter for arbitrary USB peripherals
Application handshake and recovery remain system responsibilities
435USB FAQ
What is RTA 435USB?
It is a gateway for supported USB ASCII devices and compatible Allen-Bradley PLCs.
Does any USB device work?
No. Confirm the documented class and data format of the actual peripheral before selecting the gateway.
What is the indicative price?
The manufacturer displays US$941.28–US$957.03 depending on selection. The final price and transaction terms may change.
How is it configured?
The manufacturer describes a browser-based configuration workflow. Preserve the accepted settings with the machine records.
Can it replace the application's transaction logic?
The complete application still needs to define valid records, acknowledgement and recovery. A successful connection alone does not prove those behaviors.
What should a barcode application test?
Test representative codes, duplicate reads, invalid records and scans arriving at different process states.
What diagnostics should I plan to use?
Use the documented gateway status and logging alongside PLC and peripheral observations to identify where a transaction failed.
Who should consider an alternative?
Evaluate another architecture when the required USB class, message processing or system responsibilities fall outside the documented gateway scope.
Technical source: Real Time Automation product documentation. Price source: manufacturer's 435USB product page. Prices are indicative and may change.
