Description
1440-DYN02-01RJ Allen‑Bradley module
Product Dimensions:
Allen-Bradley modules, produced by Rockwell Automation, are essential components in industrial automation systems. They encompass a wide range of input/output (I/O), communication, protection, and specialty modules designed to interface sensors, actuators, and networks with programmable logic controllers (PLCs) and programmable automation controllers (PACs). These modules enable reliable data acquisition, control, and monitoring in harsh industrial environments. Key product families include ControlLogix (Bulletin 1756), Compact 5000 (Bulletin 5069), FLEX I/O (Bulletin 1794), POINT I/O (Bulletin 1734), and others like intrinsic safety and condition monitoring modules.
Detailed Description
Allen-Bradley modules are modular hardware units that expand the capabilities of control systems. They are categorized by mounting style and application:
- Chassis-Based Modules (e.g., ControlLogix 1756 series): Installed in a chassis alongside the controller, providing high-density I/O for centralized control. They support digital, analog, diagnostic, motion, and compute functions.
- Distributed I/O Modules (e.g., FLEX I/O 1794, POINT I/O 1734): Compact, modular units for remote or in-cabinet installation, offering flexibility with 1–32 points per module. They include options for IP20 (in-cabinet) and IP67/69K (on-machine) ratings.
- Specialty Modules: Include safety-rated Guard I/O (Bulletin 1791), condition monitoring (Bulletin 1440 XM), electronic circuit protection (Bulletin 1485/1492), and intrinsic safety barriers (Bulletin 937).
- Communication Modules: Enable connectivity via EtherNet/IP, DeviceNet, ControlNet, and other CIP networks, supporting real-time data exchange.
These modules integrate seamlessly with Studio 5000 Logix Designer software for configuration and programming.
Product Parameters
Parameters vary by module family and specific model. Below is a summary table of common specifications for popular I/O module families:
| Module Family | Points per Module | Voltage Range | Operating Temperature | Network Support | Certifications |
|---|---|---|---|---|---|
| ControlLogix (1756) | 8–32 | 5V/24V DC (backplane-powered) | -20°C to 60°C (standard); -40°C to 70°C (XT variants) | EtherNet/IP, ControlNet, DeviceNet | UL, CE, ATEX, IECEx |
| Compact 5000 (5069) | 8–16 | 24V DC | -20°C to 60°C | EtherNet/IP | UL, CE, cULus |
| FLEX I/O (1794) | 4–32 | 24V DC | -20°C to 55°C | DeviceNet, EtherNet/IP | UL, CE, CSA |
| POINT I/O (1734) | 1–8 | 12/24V DC | -20°C to 55°C | EtherNet/IP, DeviceNet | UL, CE, ATEX |
| Guard I/O (1791) | 1–8 (safety) | 24V DC | 0°C to 55°C | EtherNet/IP (CIP Safety) | TÜV, SIL 3 |
For precise parameters (e.g., current ratings, isolation levels), refer to the specific model’s technical documentation on the Rockwell Automation website.
Product Advantages
- Flexibility and Scalability: Mix-and-match digital, analog, HART, and specialty I/O to customize systems; supports up to 32 modules per node for expansion without major redesigns.
- Robustness in Harsh Environments: IP67/69K ratings for on-machine mounting reduce wiring costs and enable operation in extreme temperatures (-40°C to 70°C with XT variants).
- Seamless Integration: Tight compatibility with Logix controllers (e.g., ControlLogix, GuardLogix) and CIP Safety for safety-critical applications; real-time data sharing via EtherNet/IP reduces latency.
- Ease of Maintenance: Diagnostic features, hot-swappable modules, and pre-wired systems (e.g., 1492 I/O Wiring) minimize downtime; condition monitoring modules provide early fault detection.
- Cost Efficiency: Distributed designs lower installation costs by up to 30% compared to traditional cabling; high-density points optimize space.
Precautions (Attention Matters)
- Installation: Ensure proper grounding and enclosure ratings (e.g., IP20 requires cabinets); follow ESD precautions during handling to avoid static damage.
- Environmental: Verify temperature/humidity limits; use XT variants for extreme conditions. Avoid exposure to corrosive substances unless specified.
- Safety and Compliance: For intrinsic safety modules (e.g., Bulletin 937), maintain galvanic isolation and do not ground between module and hazardous-area devices. Safety-rated modules like Guard I/O require CIP Safety configuration.
- Power Supply: Use only compatible 24V DC supplies; monitor for overcurrent with protection modules. Firmware updates must be performed via Studio 5000 to prevent compatibility issues.
- Network Security: Implement access controls for EtherNet/IP modules to mitigate cyber risks; regular scans for vulnerabilities recommended.
Product Applications
- Manufacturing and Assembly Lines: POINT and FLEX I/O for sensor/actuator control in discrete automation, enabling precise machine sequencing.
- Process Industries: ControlLogix analog modules for temperature/pressure monitoring in oil & gas or chemical plants.
- Safety Systems: Guard I/O for emergency stops and SIL 3-rated applications in automotive or food processing.
- Condition Monitoring: XM modules for vibration analysis in rotating equipment like pumps and motors in mining or power generation.
- Motion Control: Encoder output modules for synchronizing drives in packaging or robotics.
- Hazardous Environments: Intrinsic safety barriers for connecting devices in explosive atmospheres, such as refineries.
For model-specific details, consult Rockwell Automation’s product catalogs or contact support.
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