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- - Allen‑Bradley 1734-OE2V POINT I/O Analog Output Module
    
    Product Overview
    
    The 1734-OE2V is a 2-channel single-ended non-isolated analog voltage output module from Rockwell’s 1734 POINT I/O distributed remote I/O series. Designed for EtherNet/IP remote field stations, it converts digital signals from PLCs into standard 0–10 V / ±10 V analog voltage signals to drive proportional valves, variable frequency drives, air damper actuators and other voltage-controlled regulating equipment. This ultra-slim DIN rail modular module pairs with the 1734-AENTR EtherNet/IP adapter to build remote I/O stations, compatible with all Logix controllers including ControlLogix and CompactLogix families.
    
    Core Electrical Specifications
    
    Analog Output Channels
    
    Channel count: 2 single-ended voltage outputs with no channel-to-channel isolation
    
    Software-selectable output ranges: Unipolar 0–10 VDC / Bipolar ±10 VDC
    
    Resolution: 14-bit (13 magnitude bits + 1 sign bit), 1.28 mV per count for unipolar range
    
    Max sink current per channel: 3 mA (only for high-impedance voltage-type actuators)
    
    Conversion speed: 20 μs per channel, fast full-channel refresh rate
    
    Full-scale accuracy at 25 °C: ±0.1% FS; Temperature drift: 5 ppm/°C
    
    Repeatability: 0.05% FS
    
    Dielectric withstand: 2200 VDC isolation between backplane and field wiring; 50 V basic insulation
    
    Power Consumption
    
    External field power: 24 VDC (10–28.8 VDC wide range), max 70 mA input current
    
    POINTBus backplane draw: 75 mA @ 5 VDC
    
    Max power dissipation: 1.0 W (3.4 BTU/hr)
    
    Mechanical & Environmental Data
    
    Dimensions (H×W×D): 56 × 12 × 75.5 mm, ultra-narrow slim modular design
    
    Weight: Only 36 g, lightweight construction
    
    Mounting: Standard 35 mm DIN rail; requires 1734-RTB removable terminal base
    
    Recommended terminal torque: 0.6 N·m
    
    Operating temperature: -20 °C ~ +55 °C
    
    Storage temperature: -40 °C ~ +85 °C
    
    Ingress protection: IP20, for indoor cabinet installation only
    
    DIP switch location: Position 4
    
    Status LEDs: Module health, network communication, individual channel fault indicators
    
    Compatibility
    
    Communication adapters: 1734-AENT, 1734-AENTR EtherNet/IP adapters
    
    Supported controllers: ControlLogix 5570/5580, CompactLogix 5370/5380, GuardLogix safety controllers
    
    Matching terminals: 1734-RTB screw terminal base, 1734-RTBS spring terminal base
    
    Main Functions
    
    High-precision closed-loop voltage control output
    
    Converts digital setpoints from the controller into stable 0–10 V / ±10 V analog voltage to execute continuous PID closed-loop regulation for pressure, flow, temperature and speed, matching voltage-driven proportional valves, electric dampers and 0–10 V speed references for variable frequency drives.
    
    Distributed remote I/O signal expansion
    
    Mounted locally on machine frames or process skids, it transmits analog control signals over long distances via EtherNet/IP. This shortens field sensor cable runs and reduces wiring costs and electromagnetic interference.
    
    Comprehensive per-channel fault diagnostics
    
    Detects open output circuits, overload conditions, module power loss and network disconnection. Fault codes are uploaded to the PLC, and dedicated channel LEDs enable quick identification of broken wiring or load failures.
    
    Configurable fail-safe output values
    
    Users can program hold voltage levels (0 V, full scale, custom value) for fault or shutdown states to prevent unregulated machine movement, meeting safety shutdown requirements for chemical and water treatment systems.
    
    Maintenance-friendly detachable terminal base
    
    The separable RTB terminal base allows replacement of faulty modules without disconnecting field control cables, minimizing production downtime during on-site repairs.
    
    Flexible multi-range configuration
    
    Switch between unipolar 0–10 V and bipolar ±10 V modes in Studio 5000 software without hardware modification, supporting both unidirectional regulation and bidirectional positioning applications.
    
    Key Advantages
    
    Ultra-slim narrow form factor enables high-density stacking to save space in remote I/O cabinets
    
    14-bit high resolution delivers tiny adjustment increments for precise fine-tuning of process parameters
    
    Rated for operation down to -20 °C, suitable for outdoor stations, cold storage facilities and low-temperature workshops
    
    Low power and lightweight design avoids excessive heat buildup when multiple modules are stacked together
    
    Standard EtherNet/IP industrial Ethernet supports DLR ring topology redundancy to maintain uninterrupted production
    
    Unified Logix programming environment shares identical logic with local rack I/O, requiring no special adaptation routines
    
    Wide 24 VDC input range accommodates voltage fluctuations common with UPS and industrial DC bus supplies
    
    Typical Applications
    
    Water & wastewater treatment: 0–10 V control of electric dampers and chemical dosing proportional valves
    
    HVAC systems: Variable fan speed references and modulating hot/cold water valves
    
    Packaging machinery: Tension control proportional valves and positioning servo voltage references
    
    Chemical process skids: Closed-loop PID regulation of flow and pressure
    
    Food & beverage production lines: Variable speed control for mixing and conveying equipment
    
    Small-scale distributed analog expansion stations for automated machinery