Product Overview
The Allen-Bradley 1794-L34 FlexLogix Controller provides powerful control performance in a compact distributed architecture. It supports flexible I/O expansion and integrates seamlessly with FLEX I/O modules for modular process automation. The controller operates efficiently under 24V DC power and ensures reliable operation across demanding industrial environments. Moreover, its design minimizes wiring complexity while maintaining excellent communication speed and robustness.
Functional Highlights
This FlexLogix Controller delivers high-speed performance and versatile connectivity for distributed systems. Its 512 KBytes of memory supports medium-scale applications with multiple tasks and control loops. In addition, the device ensures excellent immunity to electrical noise, complying with strict EMC standards.
Key Benefits:
- Compact Control Design: Integrates seamlessly with FLEX I/O systems for distributed control.
- Wide Power Range: Operates between 19.2V–31.2V DC with low ripple tolerance.
- Reliable Performance: Withstands high vibration and thermal shock per IEC 60068 standards.
- Flexible Mounting: DIN-rail compatible (35 x 7.55 mm).
- Enhanced Safety: Certified for Class I, Division 2 Hazardous Locations.
Technical Specifications
| Parameter | Specification |
|---|---|
| User Memory | 512 KBytes |
| Input Voltage (Nominal) | 24V DC (19.2V–31.2V range) |
| Current Draw | 0.85A max @ 24V DC |
| Power Dissipation | 20.4W max @ 24V DC |
| Thermal Dissipation | 87 BTU/hr @ 19.2V DC |
| Operating Temp. Range | 0–60°C (32–140°F) |
| Storage Temp. Range | -40–85°C (-40–185°F) |
| Humidity Range | 5–95% non-condensing |
| Isolation Voltage | 30V DC (qualified to 850V DC for 60s) |
| Compliance | UL, CSA, CE, C-Tick, ATEX |
| Recommended Power Supply | 1794-PS3 or 1794-PS13 |
| Battery | 1756-BA1 Lithium (0.59g) |
| Weight | 0.75 kg (1.66 lbs) |
Therefore, the 1794-L34 is ideal for compact automation cells, distributed machine sections, or standalone control nodes.
System Integration
The 1794-L34 connects easily with FLEXBUS for I/O expansion and supports multiple serial cables for communication flexibility. For instance, users can link the controller directly via 1756-CP3 or 1747-CP3 cables. Moreover, it maintains compatibility with existing Logix family software tools, ensuring smooth configuration and migration.
Integration Advantages:
- Connects with 1794-CE1 or 1794-CE3 local I/O cables.
- Compatible with RSLogix 5000 and FactoryTalk platforms.
- Supports distributed control with minimal wiring.
- Ideal for modular and scalable machine systems.
Details
| Weight | 0.75 kg |
|---|
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