Description
Product Name: 20-HIM-A3 Allen Braley Central control module
Product details:
Allen-Bradley I/O modules are the essential components that connect the central controller (PLC/PAC) to the real-world devices in a machine or process (sensors, switches, actuators, motors, etc.).
Types of Modules
| Module Type | Description | Examples (Series) |
| Digital (Discrete) I/O | Used for ON/OFF signals. Input modules read binary data (e.g., limit switch status), and Output modules control binary devices (e.g., solenoids, motor starters). | POINT I/O (1734), FLEX I/O (1794), ControlLogix (1756) |
| Analog I/O | Used for continuous, variable signals like temperature, pressure, or flow. Modules convert real-world analog signals (e.g., $4-20text{ mA}$, $0-10text{ VDC}$) into digital data for the controller, and vice-versa. | POINT I/O (1734), ControlLogix (1756) |
| Specialty I/O | Designed for specific, complex functions. | High-Speed Counter, Motion Control, Temperature Control (RTD/Thermocouple), Communication Interface. |
| Safety I/O | Modules certified for use in safety-critical applications, ensuring functional safety in accordance with international standards (e.g., SIL, PL). | GuardLogix, POINT Guard I/O |
⚙️ Key Product Parameters (General)
Since parameters vary significantly by module and series, these are general characteristics:
-
Number of Channels: Typically 4, 8, 16, or 32 points per module.
-
Voltage Range (Digital): Common ranges include 12V DC, 24V DC, 120V AC, and 230V AC.
-
Signal Range (Analog): Common types are Current ($4-20text{ mA}, 0-20text{ mA}$) and Voltage ($0-10text{ VDC}, pm 10text{ VDC}$).
-
Resolution (Analog): Measures precision, typically 16 bits or higher.
-
Isolation: Channel-to-channel or group-to-backplane isolation to protect circuitry from noise and surges.
-
Response Time: The speed at which the module can read an input or set an output (critical for high-speed applications).
-
Form Factor/Series:
-
ControlLogix (1756): Chassis-based, high-performance, and high-density.
-
CompactLogix (1769): Rack-based, modular, and space-saving.
-
POINT I/O (1734): Compact, distributed I/O, ideal for mounting close to devices.
-
FLEX I/O (1794/5000): Modular, distributed I/O, offering flexibility and environmental ruggedness.
-
✅ Product Advantages (Allen-Bradley Modules)
1. Integrated Architecture
-
Seamless Integration: Modules work within the Rockwell Automation Logix platform (ControlLogix, CompactLogix) for simplified configuration and programming using the Studio 5000 software.
-
Tag-Based Addressing: Uses descriptive tags instead of abstract addresses, making programming and troubleshooting more intuitive.
2. Reliability and Robustness
-
Industrial Hardening: Designed to withstand harsh industrial environments (vibration, temperature extremes, electrical noise).
-
Diagnostic Capabilities: Many modules feature built-in diagnostics for quick fault identification, reducing downtime.
3. Flexibility and Scalability
-
Wide Range: An extremely broad selection of I/O types (Digital, Analog, Specialty) to meet almost any application requirement.
-
Modular Design: Allows users to easily add, remove, or change I/O without overhauling the entire control system.
4. Advanced Communication
-
EtherNet/IP: Deep integration with the EtherNet/IP network, supporting real-time control, diagnostics, and data exchange across the enterprise.
⚠️ Important Considerations (Notes)
-
Power Budget: Always check the current draw of all modules and the communication adapter to ensure the power supply and backplane are not overloaded.
-
Wiring and Terminal Blocks: Use the correct terminal block (RTB or wiring base) specified for the module, as improper wiring is a common source of faults.
-
Module Placement: In chassis-based systems (like ControlLogix), be mindful of the physical slot placement, especially for specialized modules like communication or motion control, which may have placement restrictions.
-
Fusing/Protection: External fusing is often recommended for output modules to protect the module circuitry and field devices from short circuits.
-
Environmental Ratings: Choose modules with appropriate Ingress Protection (IP) ratings (e.g., IP20 for cabinet-mounted, IP67 for on-machine) for the operating environment.
🌍 Product Applications
Allen-Bradley modules are used across virtually every industry requiring automation and control:
-
Manufacturing/Assembly: Controlling conveyors, robotic cells, assembly stations, and quality inspection.
-
Process Control: Regulating temperature, pressure, level, and flow in industries like Chemical, Pharmaceutical, and Food & Beverage.
-
Packaging: High-speed sequencing for filling, sealing, labeling, and palletizing machines.
-
Oil & Gas: Monitoring and control of pipelines, pump stations, and drilling equipment.
-
Water/Wastewater: Managing pump control, filtration systems, and chemical dosing.
-
Automotive: Body shop, paint shop, and general assembly line automation.
Advantages: Foxboro, OVATION, TRICONEX, Allen-Bradley, ABB, Motorola, Siemens Moore, Ge Fanuc, Woodward, Bently Nevada and other major import brands!
We have the same series of models in stock. If you don’t find the model you need, please contact us and we will provide you with an official quotation!
Colour:new Warranty: 12 months
Lead Time:3-day working day Country of origin: Sweden
Price: Please contact us Product weight:0.515kg
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
The following are other related models. If you can’t find the product you need, please contact us. Thank you
| 440F-M0727DYNN | Allen‑Bradley |
| 440F-M0921DYNN | Allen‑Bradley |
| 440L-R4F0020-Q | Allen‑Bradley |
| 440L-R4F1570-Q | Allen‑Bradley |
| 440T-MDALE100B0C | Allen‑Bradley |
| 440T-MDALE100B0D | Allen‑Bradley |
| 440T-MDALE10AAAB | Allen‑Bradley |
| 440T-MDALE10ABAC | Allen‑Bradley |
| 440T-MDALE10ABAD | Allen‑Bradley |
| 440T-MDALE10APAR | Allen‑Bradley |
| 440T-MDALE10BABB | Allen‑Bradley |
JUSTWELL PTE. LTD. sells new and discontinued products, and purchases such specialty products through independent channels. JUSTWELL PTE. LTD. is not an authorized distributor, distributor, or representative of the featured products on this website. All product names/images, trademarks, brands, and logos used on this website are the property of their respective owners. Product descriptions, descriptions, or sales with these name images, trademarks, brands, and logos are for identification purposes only and do not imply any association or authorization with any rights holders.
This article is from the official website of JUSTWELL PTE. LTD. If reprinted, please attach this link:https://www.justwellcenter.com/
All other brand or product names mentioned in this document may be trademarks or registered trademarks of their respective holders.








