Product Details
The Emerson A26-00139, also cataloged as the A26-00139 PLC Module, operates as a dedicated hardware component for direct logic processing and signal conditioning execution within Emerson control system backplanes. It processes digital and analog system parameters while interfacing directly across the internal cabinet communication bus.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | A26-00139 |
| Brand | Emerson |
| Base Model | A26-00139 |
| Origin | USA |
| Weight | 0.3 lbs (0.14 kg) |
| Dimensions | 2.5 cm x 27.9 cm x 25.4 cm |
| Operating Temp | Standard cabinet enclosure rating |
| Power Consumption | Internal backplane bus powered |
| Module Type | Programmable Logic Controller Module |
| Certification | CE certified |
Channel-to-Channel Isolation and Cold Junction Compensation (CJC)
The A26-00139 PLC module features galvanic channel-to-channel isolation to prevent electrical crosstalk and common-mode voltage interference from corrupting processing logic. Integrated signal conditioning circuitry maintains high accuracy across field sensor interfaces, supporting cold junction compensation (CJC) protocols when processing thermocouple inputs and direct field instrument loops across distributed control topologies.
Frequently Asked Questions
Q: Does the A26-00139 PLC module draw power from an external supply or the chassis bus?
A: The module receives regulated operating voltage directly through its primary backplane edge connector upon physical insertion into the rack chassis.
Q: What environmental certifications apply to the A26-00139 hardware assembly?
A: The module carries official CE certification compliance for electromagnetic compatibility and low-voltage safety directives in industrial panel enclosures.
Q: How is mechanical alignment handled during module replacement?
A: The module relies on integrated alignment rails within the rack slot to guide rear card-edge contacts into full mating engagement with the backplane receptacle.
Field Installation Guidelines
- Isolate primary system power before inserting or removing the PLC module from the backplane rack.
- Align the top and bottom edges of the card assembly with the panel chassis guide tracks.
- Slide the module into the slot until the rear connectors click securely into the backplane bus socket.
- Fasten all panel retaining screws to ensure proper earth grounding and continuous vibration resistance.
- Inspect field wiring terminals to ensure signal cable shielding is earthed at a single grounding point.
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
Redefining Control Systems: The Rise of Flexible I/O Modules in Industrial Automation
Conventional input-output architectures often limit engineering agility and inflate long-term inventory costs. Today, Flexible Input/Output Modules (FIOM) are transforming how control system engineers design, commission, and maintain automation infrastructure. By allowing individual channel software configuration, FIOM technology bridges the gap between rigid hardware design and dynamic plant requirements.
Understanding Modern SCADA Systems: Architecture, Communication Topologies, and Industrial Applications
Supervisory Control and Data Acquisition (SCADA) systems form the digital backbone of modern industrial automation. They collect critical field data, transmit signals across vast distances, and empower plant operators with real-time process visibility. Across modern infrastructures, SCADA solutions streamline centralized control and maintain continuous operational uptime.
Understanding OPC Servers in Modern Industrial Automation: Principles, Architecture, and Applications
In industrial automation, connecting physical hardware with high-level software remains a primary operational challenge. Factories utilize programmable logic controllers (PLCs), distributed control systems (DCS), human-machine interfaces (HMIs), and smart sensors from diverse vendors. These devices often speak different proprietary protocols. Open Platform Communications (OPC) servers solve this interoperability challenge by standardizing how data flows across factory networks.