Description
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | B&R |
| Model | 2AO300.6 |
| Module designation | AO300 |
| Product family | System 2010 |
| Module type | Analog output |
| Output channels | 16 voltage outputs |
| Output range | -10 V to +10 V |
| Resolution | 12 bit |
| Conversion time | 250 μs |
| Output load | 1 kΩ minimum load resistance; 10 mA maximum output current |
| Output filter | First-order low-pass, 1,000 Hz cutoff |
| Electrical isolation | Output-to-PCC isolation; no channel-to-channel isolation |
| Maximum power consumption | 10 W |
| Compatible base plates | BP200, BP201, BP210 |
| Terminal block | 2TB140.9, ordered separately |
| Installation | B&R System 2010 I/O slot |
The module specifications are documented in B&R System 2010 hardware literature. Confirm the exact hardware revision and terminal-block arrangement before replacement.
Product Introduction
The B&R 2AO300.6 is a 16-channel analog output module for the System 2010 automation platform. It converts digital control values into bipolar voltage signals ranging from -10 V to +10 V, with 12-bit resolution. The module is designed for applications requiring multiple analog command signals from a single PLC I/O position.
Its 250 μs conversion time and 1 kHz output filter support analog signal generation for industrial control equipment. Engineers should account for the absence of channel-to-channel isolation when designing field wiring and connecting external devices.
2AO300.6
Application Scenarios & Field Pitfalls (Engineer’s Perspective)
When several actuators or drive interfaces depend on PLC-generated analog references, a faulty output channel can cause incorrect positioning, unstable speed references, or unexpected process behavior. Before replacing the 2AO300.6, engineers should distinguish module faults from grounding problems, external load issues, and incorrect scaling in the control program.
Typical application scenarios include:
- Machine automation: Generating analog command signals for proportional valves, positioning devices, and control interfaces.
- Process equipment: Providing voltage references for compatible process-control instruments and actuators.
- Drive systems: Sending analog speed or torque reference signals to drives that accept ±10 V commands.
- Test and production equipment: Generating multiple independent voltage references for automated equipment control.
Field pitfalls
1. Check the output signal range. The 2AO300.6 provides bipolar ±10 V outputs. Confirm that the receiving device accepts this range. A controller configured for a unipolar signal or a different scaling convention may produce incorrect commands even when the module is operating normally.
2. Account for isolation limitations. The module provides output-to-PCC isolation but does not provide isolation between individual output channels. Avoid assuming that separate channels can be connected to field circuits with different ground potentials without checking the electrical design. Review grounding and common-reference arrangements before commissioning.
3. Verify the terminal block and base plate. The 2TB140.9 terminal block is ordered separately. Confirm the installed base plate is one of the documented BP200, BP201, or BP210 types. Inspect terminal connections and field wiring before applying power.
For incoming inspection, check the module label, edge connector, PCB condition, and terminal-block mating surfaces. A functional test should verify all 16 output channels across representative negative, zero, and positive voltage commands. Check output accuracy under the intended load rather than relying only on an unloaded voltage measurement.
Related Products
The following B&R components are relevant to the System 2010 I/O environment:
- 2TB140.9 — 40-pin screw-clamp terminal block associated with the AO300 analog output module. Ordered separately.
- 2AO725.6 — Eight-channel analog current output module with 0–20 mA outputs and 12-bit resolution.
- 2AO900.6 — Eight-channel analog output module combining voltage and current output functions.
- 2AI300.6 — Sixteen-channel analog voltage input module with ±10 V range and 12-bit resolution.
- 2AI700.6 — Sixteen-channel analog current input module with ±20 mA range and 12-bit resolution.
- 2AI730.6 — Eight-channel isolated analog current input module with 0–25 mA range and 16-bit resolution.
- BP200 — System 2010 base plate option documented for the AO300 module.
- BP201 — Alternative System 2010 base plate option.
- BP210 — Additional documented base plate option for the 2AO300.6 installation.
These modules and accessories belong to the broader System 2010 hardware family, but their signal types and functions differ. Confirm the exact base plate and terminal-block requirements before ordering.
Procurement and quality-control note: Specify the complete model number 2AO300.6. Do not confuse it with 2AO300.61 or other AO-series modules. Confirm whether the 2TB140.9 terminal block is included or must be purchased separately. For surplus replacements, request photographs of the model label and connector, along with a 16-channel output test report.
