Product Details
Technical Overview
The 1734-OE4C (1734-OE4C) is a high-density analog output expansion module designed for the Rockwell Automation POINT I/O platform. This module provides four single-ended, high-precision current outputs, allowing for granular control of field devices such as actuators, variable frequency drive speed references, and control valves. Its compact, modular design permits vertical or horizontal mounting, significantly reducing cabinet space requirements while maintaining robust signal integrity.
Technical Specifications and Performance
The 1734-OE4C (1734-OE4C) converts digital values into analog signals with high resolution and rapid conversion rates, ensuring responsive control loops in demanding industrial environments.
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Output Channels: 4 Single-ended
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Signal Range: 0 to 20 mA or 4 to 20 mA (Configurable)
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Resolution: 13 bits plus sign (approximately 16 bits across the 0–21 mA range)
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Data Format: Signed Integer
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Conversion Type: Digital-to-Analog (DAC)
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Step Response Rate: 20 microseconds (Conversion speed to 99% of full scale)
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External DC Supply: 24V DC nominal (Range: 10–28.8V DC)
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Supply Current: 75 mA at 24V DC
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POINTBUS Current: 75 mA maximum
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Load Impedance: 0 to 750 Ohms
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Power Dissipation: 1.2 Watts maximum (Internal module heat loss)
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Thermal Dissipation: 4.1 BTU/hr
Installation and Integration
The 1734-OE4C (1734-OE4C) snaps easily onto a 1734-TB or 1734-TBS terminal base. It features an integrated keyswitch that prevents the accidental insertion of a module into an incorrect base, protecting the system from electrical mismatches.
Technical FAQ
How does the module handle a loss of network communication?The module can be configured via Studio 5000 to hold its last state or transition to a specific "safe" value (e.g., 4 mA) if communication with the controller is interrupted.
Is calibration required for this module?The 1734-OE4C (1734-OE4C) is factory calibrated. However, users can perform scaling within the controller software to match specific engineering units or compensate for field device variations.
What are the status indicators on the front panel?There are four individual status indicators (one per channel) and one module status indicator. These provide real-time diagnostics for power status, communication health, and field-side faults.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
The Shift to Flexible IO Modules in Modern Industrial Automation
Traditional control systems rely on dedicated Input Output (IO) cards for industrial automation. Each conventional module processes a single signal type, such as Digital Input (DI), Digital Output (DO), Analog Input (AI), or Analog Output (AO). A standard 16-channel card accepts only one specific channel type across all ports. This inflexible hardware design often creates severe engineering bottlenecks during project execution. Engineers frequently must install entirely new cards to accommodate a single extra sensor. Consequently, late design changes increase control cabinet space requirements and drive up project costs.
DCS Commissioning Steps in Industrial Automation Projects
Commissioning a Distributed Control System (DCS) represents a crucial milestone when deploying modern process automation infrastructure. Field engineers must execute systematic verification steps to transition complex control hardware from static installation to dynamic plant control. Proper commissioning ensures that controllers, I/O modules, network switches, and HMI software operate in strict compliance with engineering design specifications before introducing live process fluids.
PLC and DCS Control System Spares Strategy: Engineering Guidelines
Modern factory automation relies on high-speed fiber optic backbones to link distributed control systems across noise-intensive industrial environments. Unlike copper wiring, optical fibers transmit data via light pulses, making them completely immune to electromagnetic interference (EMI). Field engineers must master optical cable joining and fusion splicing techniques to guarantee low-loss data transmission across critical Programmable Logic Controller (PLC) and Distributed Control System (DCS) nodes.