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- 1794-L34
- ControlNet Flex I/O Adapter Module
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- 102 mm x 44 mm x 40 mm
- 0.77kg
- Xiamen, China
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FLEX I/O 1794-L34 Technical Profile
1. Product Overview
The 1794-L34 is a modular industrial automation controller designed for distributed control systems. It belongs to a FLEX I/O-based control architecture and functions as a central processing unit for managing remote I/O modules, communication tasks, and automation logic execution.
This controller is used in applications where medium-complexity PLC control is required together with scalable distributed I/O expansion.
It supports integration with multiple FLEX I/O modules, enabling decentralized system design while maintaining centralized logic control.
2. Brand and Product Classification
- Brand: Industrial automation controller manufacturer
- Product Type: Modular PLC / Controller Module
- Series: FLEX I/O 1794 / FlexLogix Control System
- System Type: Distributed automation control platform
- Function: Logic execution + remote I/O management
- Architecture: Modular PLC system
- Programming Model: PLC ladder / structured control logic
3. Product Introduction
The 1794-L34 controller acts as the main processing unit in a distributed automation system.
It executes user-defined control programs, manages communication with FLEX I/O modules, and coordinates industrial processes such as machine sequencing, signal processing, and system monitoring.
It supports multiple communication interfaces and is capable of handling both local and remote I/O operations through modular expansion.
The controller is widely used in industrial environments where flexibility, modularity, and system scalability are required.
4. Key Technical Parameters
4.1 Electrical Parameters
| Parameter | Specification |
|---|---|
| Nominal Supply Voltage | 24V DC |
| Operating Voltage Range | 19.2 – 31.2V DC |
| Input Current | approx. 0.85 A @ 24V DC |
| Maximum Input Current | up to 1.33 A @ low voltage |
| Power Dissipation | approx. 20.4 – 25.5 W |
| Backplane Current | 653 mA @ 5.1V DC |
| Isolation Voltage | 30V DC (tested up to 850V surge) |
| Power Consumption | industrial controller level |
4.2 Processing & Memory Parameters
| Parameter | Specification |
|---|---|
| User Memory | 512 KB |
| Program Capacity | medium-scale PLC logic |
| Task Handling | multiple tasks (cyclic + event-based) |
| Execution Type | real-time deterministic control |
| Data Handling | structured industrial data processing |
4.3 Communication Parameters
| Parameter | Specification |
|---|---|
| Communication Type | Serial + modular network expansion |
| Supported Protocols | DF1 / ASCII / industrial Ethernet (via adapters) |
| Network Expansion | Ethernet / Device-level communication modules |
| I/O Integration | FLEX I/O distributed modules |
| System Connectivity | multi-node distributed architecture |
4.4 Environmental Parameters
| Parameter | Specification |
|---|---|
| Operating Temperature | 0 to 55 °C |
| Storage Temperature | -40 to 85 °C |
| Humidity | 5% to 95% non-condensing |
| Vibration Resistance | 5–500 Hz, 2G |
| Shock Resistance | up to 30G |
| Industrial Rating | harsh environment capable |
4.5 Mechanical Parameters
| Parameter | Specification |
|---|---|
| Width | approx. 102 mm |
| Height | approx. 94 mm |
| Depth | approx. 31 mm |
| Weight | approx. 0.75–0.77 kg |
| Mounting Type | DIN rail / panel mount |
| Housing Type | modular industrial controller housing |
5. Product Applications
The 1794-L34 is widely applied in industrial automation systems requiring distributed control architecture:
- Manufacturing automation lines
- Packaging machinery control systems
- Conveyor and logistics control systems
- Automotive assembly systems
- Process control systems (chemical, energy, water treatment)
- Machine coordination systems
- HVAC and building automation
- Multi-station production systems
- Industrial robotics support systems
- Remote plant control systems
It is especially suitable for systems requiring central logic execution with distributed field I/O expansion.
6. Product Advantages
6.1 Modular System Architecture
Allows flexible expansion with multiple FLEX I/O modules for scalable system design.
6.2 Centralized Control Logic
Executes control programs while managing multiple remote I/O nodes efficiently.
6.3 Compact Industrial Design
Small form factor suitable for dense control cabinet installations.
6.4 Stable Industrial Operation
Designed for continuous operation in electrically noisy and harsh environments.
6.5 Communication Flexibility
Supports multiple industrial communication methods through expansion modules.
6.6 High Reliability
Built for long-term operation with stable memory and processing architecture.
6.7 System Scalability
Can support small to medium distributed automation systems.
7. Product Series Overview
- Series Name: FLEX I/O 1794 / FlexLogix System
- System Type: Distributed automation platform
- Core Function:
- PLC control execution
- Remote I/O coordination
- Industrial communication management
- Key Features:
- Modular expansion design
- Multi-node I/O support
- Industrial-grade durability
- Flexible network integration
- Scalable architecture
8. Recommended Related Models (Same or Similar Series)
| Model | Description | Function | Memory / Type | Weight (kg) |
|---|---|---|---|---|
| 1794-L33 | Lower memory controller module | PLC controller | 512 KB | 0.70–0.75 |
| 1794-AENTR | Ethernet communication adapter | Network interface | — | 0.22 |
| 1794-IB32 | High-density digital input module | 32-channel input | 24V DC | 0.25 |
| 1794-OB32P | Protected output module | 32-channel output | 24V DC | 0.28 |
| 1794-IE8XT | Extended analog input module | Analog measurement | 8-channel | 0.20 |
9. Popular Models from Same System Ecosystem
| Model | Description | Function Type | Voltage | Weight (kg) |
|---|---|---|---|---|
| 1794-IB16 | Standard digital input module | Input signal | 24V DC | 0.15 |
| 1794-OB16 | Standard digital output module | Output control | 24V DC | 0.16 |
| 1794-IE8 | Analog input module | Measurement input | 4–20 mA | 0.18 |
| 1794-OF8 | Analog output module | Signal output | 4–20 mA | 0.19 |
| 1794-IA8 | AC input module | AC signal input | 120/240V AC | 0.18 |
10. Summary
The 1794-L34 is a modular PLC controller designed for distributed automation systems requiring scalable control architecture and flexible I/O integration.
Its main strengths include:
- Reliable PLC logic execution
- Modular FLEX I/O system compatibility
- Compact industrial controller design
- Stable performance in harsh environments
- Scalable distributed control capability
It is widely used in industrial applications where centralized control and distributed I/O expansion must work together efficiently.