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1794-L34 | Allen-Bradley FlexLogix Processor, 512 KB User Memory, 24 VDC
- Regular price
- $899.00
- Sale price
- $899.00
- Regular price
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Product Description P/N: 1794-L34
Description
The Allen-Bradley 1794-L34 is a FlexLogix controller designed for use with the FLEX I/O modular system. It includes 512 KB of user memory and operates from a 24 VDC external power supply, making it suitable for distributed or mid-sized control applications. Equipped with a built-in serial communication port and support for various communication adapters, the controller integrates easily into systems requiring Ethernet/IP, DeviceNet, or ControlNet connectivity.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | PLCs/Machine Control |
| Part Number | 1794-L34 |
| Subcategory | FlexLogix Controller System |
| Product Type | Flex I/O Controller |
| User Memory | 512 KB |
| Power Supply Voltage Range | 19.2–31.2 VDC |
| Nominal Input Voltage | 24 VDC |
| Input Current | 0.85 A at 24 VDC max |
| FlexBus Current Output | 653 mA at 5.1 VDC max |
| Backplane Current | 653 mA @ 5.1 VDC |
| Power Dissipation | 25.5 W max at 19.2 VDC; 20.4 W max at 24 VDC |
| Thermal Dissipation | 87 BTU/hour @ 19.2 VDC |
| Isolation Voltage | 30 VDC (tested at 850 VDC for 60 s) |
| Communication Ports | 1 serial port (DF1, ASCII) |
| Supported Networks | Ethernet/IP, DeviceNet, ControlNet (via adapters) |
| Mounting | DIN rail 35 mm or panel mount |
| DIN Rail Type | 35 × 7.55 mm steel DIN rail |
| Extended Local I/O Cables | 1794-CE1 (1 ft), 1794-CE3 (3 ft) |
| Environmental Rating | Open-style (no enclosure) |
| Operating Temperature | 0–60 °C |
| Storage Temperature | –40 to 85 °C |
| Relative Humidity | 5–95% non-condensing |
| Vibration | 5G (10–500 Hz) |
| Shock | 30G operating, 50G non-operating |
| Power Connector Torque | 0.6–0.8 N·m |
Information About 1794-L34
The 1794-L34 FlexLogix controller provides a compact and modular solution for automation systems requiring flexible I/O expansion and communication capability. Its embedded serial port supports ASCII and DF1 protocols, enabling communication with barcode readers, HMIs, SCADA systems, and other serial devices. Additional networking functionality is available through 1788-series communication adapters, which allow the controller to operate on Ethernet/IP, ControlNet, and DeviceNet networks. Powered by 24 VDC within a range of 19.2–31.2 VDC, the controller supports SELV-compliant power sources and requires 653 mA of FlexBus current at 5.1 VDC. It supports up to eight tasks, including event tasks, and provides deterministic performance for time-sensitive applications. Installation is supported on steel 35 mm DIN rail or via panel mounting. With wide environmental tolerance, including operation from 0–60 °C, high shock/vibration ratings, and 5–95% non-condensing humidity support, the 1794-L34 is designed for industrial reliability.
Key Features:
- 512 KB user memory: Supports mid-sized control applications.
- Integrated serial port: Supports DF1 and ASCII protocols.
- Modular FLEX I/O architecture: Allows distributed and scalable I/O design.
- Communication expandability: Compatible with Ethernet/IP, DeviceNet, and ControlNet adapters.
- Wide voltage range: Operates from 19.2–31.2 VDC (24 VDC nominal).
- Flexible installation: DIN rail or panel mount options.
- High environmental tolerance: Operates from 0–60 °C with shock/vibration resistance.
- Supports event tasks: Enables responsive control based on triggers and system events.
The 1794-L34 delivers the reliability and precision required for distributed automation, machine control, and modular system architectures.
Description
The Allen-Bradley 1794-L34 is a FlexLogix controller designed for use with the FLEX I/O modular system. It includes 512 KB of user memory and operates from a 24 VDC external power supply, making it suitable for distributed or mid-sized control applications. Equipped with a built-in serial communication port and support for various communication adapters, the controller integrates easily into systems requiring Ethernet/IP, DeviceNet, or ControlNet connectivity.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | PLCs/Machine Control |
| Part Number | 1794-L34 |
| Subcategory | FlexLogix Controller System |
| Product Type | Flex I/O Controller |
| User Memory | 512 KB |
| Power Supply Voltage Range | 19.2–31.2 VDC |
| Nominal Input Voltage | 24 VDC |
| Input Current | 0.85 A at 24 VDC max |
| FlexBus Current Output | 653 mA at 5.1 VDC max |
| Backplane Current | 653 mA @ 5.1 VDC |
| Power Dissipation | 25.5 W max at 19.2 VDC; 20.4 W max at 24 VDC |
| Thermal Dissipation | 87 BTU/hour @ 19.2 VDC |
| Isolation Voltage | 30 VDC (tested at 850 VDC for 60 s) |
| Communication Ports | 1 serial port (DF1, ASCII) |
| Supported Networks | Ethernet/IP, DeviceNet, ControlNet (via adapters) |
| Mounting | DIN rail 35 mm or panel mount |
| DIN Rail Type | 35 × 7.55 mm steel DIN rail |
| Extended Local I/O Cables | 1794-CE1 (1 ft), 1794-CE3 (3 ft) |
| Environmental Rating | Open-style (no enclosure) |
| Operating Temperature | 0–60 °C |
| Storage Temperature | –40 to 85 °C |
| Relative Humidity | 5–95% non-condensing |
| Vibration | 5G (10–500 Hz) |
| Shock | 30G operating, 50G non-operating |
| Power Connector Torque | 0.6–0.8 N·m |
Information About 1794-L34
The 1794-L34 FlexLogix controller provides a compact and modular solution for automation systems requiring flexible I/O expansion and communication capability. Its embedded serial port supports ASCII and DF1 protocols, enabling communication with barcode readers, HMIs, SCADA systems, and other serial devices. Additional networking functionality is available through 1788-series communication adapters, which allow the controller to operate on Ethernet/IP, ControlNet, and DeviceNet networks. Powered by 24 VDC within a range of 19.2–31.2 VDC, the controller supports SELV-compliant power sources and requires 653 mA of FlexBus current at 5.1 VDC. It supports up to eight tasks, including event tasks, and provides deterministic performance for time-sensitive applications. Installation is supported on steel 35 mm DIN rail or via panel mounting. With wide environmental tolerance, including operation from 0–60 °C, high shock/vibration ratings, and 5–95% non-condensing humidity support, the 1794-L34 is designed for industrial reliability.
Key Features:
- 512 KB user memory: Supports mid-sized control applications.
- Integrated serial port: Supports DF1 and ASCII protocols.
- Modular FLEX I/O architecture: Allows distributed and scalable I/O design.
- Communication expandability: Compatible with Ethernet/IP, DeviceNet, and ControlNet adapters.
- Wide voltage range: Operates from 19.2–31.2 VDC (24 VDC nominal).
- Flexible installation: DIN rail or panel mount options.
- High environmental tolerance: Operates from 0–60 °C with shock/vibration resistance.
- Supports event tasks: Enables responsive control based on triggers and system events.
The 1794-L34 delivers the reliability and precision required for distributed automation, machine control, and modular system architectures.