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Description
Technical Specifications
| Product Model | 1734-OE2V (1734-OE2V/A) |
|---|---|
| Manufacturer | Rockwell Automation / Allen-Bradley |
| Product Type | POINT I/O 2-Channel Analog Voltage Output Module |
| Number of Outputs | 2 (independently configurable) |
| Output Signal Ranges | 0–10 V DC (unipolar) or ±10 V DC (bipolar), software-selectable |
| Resolution | 14 bits (16,384 counts full scale) |
| Accuracy | ±0.1 % of full scale @ 25 °C (typical) |
| Temperature Coefficient | ±5 ppm/°C typical (output drift) |
| Step Response Time | ≤ 20 µs (typical, 10 %–90 % of full scale) |
| Max Load Current per Channel | 3 mA (voltage sourcing) |
| Min Load Impedance | 1 kΩ |
| Backplane / Module Supply Voltage | 24 V DC (operating range 10–28.8 V DC from terminal base bus) |
| Power Consumption from Bus | Approx. 1.5 W typical |
| Isolation | 50 V DC (field-side to backplane/bus); 250 V AC continuous (I/O to system ground per UL) |
| Indicators | 2 × Ch Status LEDs (Green/Red), 1 × Network OK (Green/Red), 1 × Module OK (Green/Red) |
| Terminal Base Compatibility | 1734-TB, 1734-TBS, 1734-RTB (screw or spring clamp removable terminal bases) |
| Mounting | 35 mm DIN Rail (EN 60715) via terminal base |
| Module Width | 12.0 mm (0.47 in.) |
| Operating Temperature | -20 °C to +55 °C (-4 °F to +131 °F) |
| Storage Temperature | -40 °C to +85 °C |
| Humidity | 5–95 % RH, non-condensing |
| Certifications | cULus listed, CE marked, KC, FM (Class I Div 2 optional per variant), RoHS compliant |
Main Features and Advantages
The Allen-Bradley 1734-OE2V combines the space efficiency of the POINT I/O form factor with high-resolution analog performance and comprehensive configuration flexibility that distinguishes it from basic voltage output modules.Selectable output ranges: Each channel can be independently configured in RSLogix 5000 / Studio 5000 Logix Designer for either 0–10 V DC (unipolar) or ±10 V DC (bipolar) operation, allowing a single module type to serve both standard drive-speed referencing and bipolar positioning or tension-control loops without hardware change.High resolution and accuracy: The 14-bit digital-to-analog converter provides fine granularity across the output span, with typical full-scale accuracy of ±0.1 % and low thermal drift. This level of precision ensures that commanded setpoints are faithfully reproduced at the field device, minimizing control-loop quantization error in sensitive processes.Fast step response: With a 20 µs typical step-response time, the Allen-Bradley 1734-OE2V is capable of following rapid setpoint changes—important when used for real-time analog command in web handling, winding, or servo auxiliary-axis analog referencing.Configurable fault / communications-loss action: Users can define the module behavior on loss of communication with the adapter—options include Hold Last State, Clamp High, Clamp Low, or User-Defined Value. This fail-safe programmability is essential for implementing graceful degradation strategies in safety- or process-critical applications.Per-channel diagnostics and LED indication: Independent dual-color LEDs for each of the two channels instantly reveal whether an output is active, in fault, or offline, while the Network and Module OK indicators show adapter link status and module self-diagnostics. Fault conditions such as open-wire load (excessive load impedance preventing proper voltage settling) or internal calibration errors are reported to the controller as diagnostic status bits.Compact distributed architecture: The Allen-Bradley 1734-OE2V mounts on a removable terminal base, allowing the terminal block—with all field wiring intact—to remain on the DIN rail during module replacement. This “wiggle-off” hot-swap capability reduces MTTR (mean time to repair) and simplifies maintenance in running plants.Seamless Logix integration: The module auto-populates as tags in the Logix controller with scaled engineering units, raw counts, and fault-word members, making application programming straightforward and consistent across the POINT I/O family.
Application Field
The Allen-Bradley 1734-OE2V is deployed wherever a distributed, rack-free I/O topology is preferred over central chassis-based I/O—particularly in applications involving remote machine sections, multi-bay panels, or retrofit installations where running analog homeruns back to a main PLC rack would be impractical or costly. In discrete manufacturing, it commonly supplies 0–10 V speed-reference signals to AC drives on conveyor lines, packaging machines stations, and palletizers, or ±10 V position/force commands to analog proportional valves in hydraulic press and tension-control systems. Its compact footprint allows it to be mounted directly inside local junction boxes or small enclosure segments close to the actuators it serves.In process skids, batching systems, and water/wastewater treatment plants, the Allen-Bradley 1734-OE2V provides setpoint outputs to chemical dosing pumps, recirculation fan inverters, and SCADA-driven indicating meters. The ability to configure a safe-state output value on communications loss is especially valued in these environments to prevent runaway conditions during network interruptions.Because the Allen-Bradley 1734-OE2V requires only a POINT I/O adapter (e.g., 1734-AENTR for EtherNet/IP) and a compatible terminal base, system designers can mix and match it with other 1734 analog, digital, and specialty modules on the same DIN rail node—creating a cost-effective, right-sized I/O slice tailored exactly to the machine or process zone requirements. It is equally at home in new OEM machinery designs and in plant modernization projects upgrading legacy fixed-I/O architectures to flexible distributed networks.
