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1734-OE4C

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Allen-Bradley 1734-OE4C is a four-channel POINT I/O analog current output module with configurable 0...20 mA or 4...20 mA ranges.
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Technical specifications for 1734-OE4C

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1734-OE4C
  • Product Family:
    Point I/O 1734
  • Product Type:
    POINT I/O 4-Channel Analog Current Output Module
  • Stock:
    1
  • Outputs:
    4 single-ended non-isolated current channels
  • Output ranges:
    0...20 mA or 4...20 mA
  • Resolution:
    16 bits across 0...21 mA
  • Resolution increment:
    0.32 µA/count
  • Field power:
    10...28.8 V DC
  • POINTBus current:
    75 mA at 5 V DC
  • Weight:
    0.0369 kg
  • Estimated shipping dimensions:
    5.66x1.21x7.75cm
  • Tariff Code:
    8537101190
  • Country of origin:
    Singapore
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Fault-State Control Four-Loop Checkout Product Applications

Features:

  • Four-loop control: high-density current outputs for process devices
  • Range choice: 0...20 mA or 4...20 mA by channel configuration
  • Transition control: programmable ramp, clamp, and communication-fault response
1734-OE4C lets one narrow POINT I/O position command four analog current devices.

The engineering focus is not just output accuracy but the behavior each channel adopts during startup, program mode, and a lost controller connection.

Measured loop checkout should confirm commanded current, field-power margin, load response, and the documented fallback state.

Availability of 1734-OE4C is subject to Apter Power inventory and sourcing confirmation.
Allen-Bradley 1734-OE4C POINT I/O 4-Channel Analog Current Output Module Manuals and Product Resources
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Allen-Bradley 1734-OE4C POINT I/O 4-Channel Analog Current Output Module Specs

General

  • ManufacturerAllen-Bradley
  • Model1734-OE4C
  • ConditionNew Original ready stock
  • Product FamilyPOINT I/O 1734
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Define every output transition

  • Startup: document the output before communication is established.
  • Program mode: choose hold or a defined fallback from the process design.
  • Communication fault: validate the configured channel response.
  • Recovery: test ramp and clamp behavior when control resumes.

Commission the current paths

  • Range: match each receiver to 0...20 mA or 4...20 mA.
  • Load: verify loop resistance and 24 V DC field-power margin.
  • Measurement: compare commanded data with a calibrated current reading.
  • Actuator: confirm travel, direction, and safe process response.

Supported product applications

  • Valve positioners: command four current-driven process actuators.
  • Drive references: provide analog current speed or torque demand where approved.
  • Skid control: consolidate multiple 4...20 mA outputs in a compact node.
  • Panel modernization: restore a documented four-channel current-output position.
Description
1734-OE4C generates four single-ended, non-isolated analog current outputs from one POINT I/O slot. Each channel supports a configurable 0...20 mA or 4...20 mA range with 16-bit resolution across the 0...21 mA output span.

The channel logic in 1734-OE4C includes scaling, clamping, ramping, alarms, calibration status, and configurable behavior for communication faults or program mode. Those settings shape how valves, positioners, and current-driven references respond during startup and controller transitions.

Before deploying 1734-OE4C, verify Series C and firmware, external 10...28.8 V DC field power, total loop load, terminal wiring, output range, hold-last-state decision, safe fallback value, and loop acceptance procedure. Never infer its fault-state behavior from a two-channel output module.
Revisions

Revision Part #

Also known as

1734-OE4C Series C
1734-OE4C/C, Series C
Alternative Names
Allen-Bradley 1734-OE4C Rockwell Automation 1734-OE4C AB 1734-OE4C 1734OE4C 1734 OE4C POINT I/O four-channel current output
Technical notes
For 1734-OE4C, define communication-fault and program-mode behavior before connecting actuators. Verify Series C firmware, 10...28.8 V DC field power, four-loop load resistance, 0...20 mA or 4...20 mA range, clamp and ramp values, terminal-base wiring, output scaling, and a measured fallback-state test for every connected channel.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What should 1734-OE4C output when controller communication is lost?
Use the process hazard review to choose hold-last-state or a defined fallback for each channel, then prove that behavior during controlled commissioning.
Why can a 1734-OE4C channel command change without the valve reaching the expected position?
Measure loop current, verify field-power margin and load resistance, inspect polarity and wiring, then check scaling, clamps, ramping, and the positioner setup.
How should 1734-OE4C be tested after a firmware or project change?
Exercise low, midpoint, and high commands on all four channels, interrupt communication under control, verify fallback and recovery, and retain measured results.
Can 1734-OE4C use 0...20 mA and 4...20 mA receivers in the same module?
Yes, channels are configurable, but each loop still needs its own range, scaling, clamp, alarm, wiring, and acceptance record.
Which startup check prevents an unexpected bump from 1734-OE4C?
Confirm the controller data, output range, startup value, program-mode behavior, communication-fault setting, ramp, actuator permissives, and field power before enabling the loop.
What evidence should buyers send for a 1734-OE4C replacement review?
Include Series and firmware, module profile, terminal base, four-loop load details, fallback settings, nameplate photos, quantity, destination, and required date.

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