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The Allen Bradley 1746-HS is a high-speed motion control module designed for modular PLC systems. It is used to perform precise motion-related tasks such as positioning, speed regulation, and coordinated movement control.
Unlike standard I/O modules, this unit operates as a dedicated motion processor. It receives high-speed input signals from encoders or sensors, processes motion algorithms, and generates accurate output commands for actuators and drives.
Installed in a chassis, the module communicates with the main processor through the backplane, allowing tight synchronization between motion control and overall machine logic. It is especially useful in systems that require real-time responsiveness and high accuracy.
The SLC 500 series is a modular control platform widely used in industrial automation. The 1746-HS expands its functionality by adding dedicated motion control capabilities.
Below is a structured technical parameter table for the 1746-HS:
| Parameter | Specification |
|---|---|
| Model | 1746-HS |
| Product Type | Motion Control Module |
| Series | SLC 500 |
| Control Function | Positioning / speed control |
| Input Type | High-speed encoder / pulse input |
| Max Input Frequency | Up to 300 kHz |
| Output Type | Digital motion control outputs |
| Output Voltage | 24 V DC |
| Input Voltage | 24 V DC |
| Update Time | Approx. 5 ms |
| Response Time | Fast real-time response |
| Communication | Backplane + serial interface |
| Backplane Current (5V) | 300 mA |
| Backplane Current (24V) | 100 mA |
| Diagnostics | LED indicators |
| Mounting | SLC chassis slot |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Shock Resistance | Industrial standard |
| Dimensions | 264 × 189 × 58 mm |
| Weight kg( ) | 0.14 kg |
The 1746-HS is used in industrial environments requiring precise and high-speed motion control:
It is particularly suitable for systems where accurate position and timing control are essential.
High-speed signal processing
Capable of handling high-frequency input signals, ensuring accurate motion tracking.
Dedicated motion control
Offloads motion tasks from the main PLC processor, improving overall system performance.
Precise positioning capability
Enables accurate control of movement in complex automation systems.
Flexible integration
Works seamlessly within modular chassis-based systems.
Reliable performance
Maintains stable operation in industrial environments with consistent accuracy.
Efficient system design
Reduces the need for external motion controllers in many applications.
Below are 5 related models within the same series or similar functional category:
| Model | Series | Function | Power | Dimensions (mm) | Weight kg( ) |
|---|---|---|---|---|---|
| 1746-HSCE | SLC 500 | High-speed counter module | 24V DC | 264 × 189 × 58 | 0.38 |
| 1746-HSCE2 | SLC 500 | Multi-channel counter module | 24V DC | 264 × 189 × 58 | 0.40 |
| 1746-NI4 | SLC 500 | Analog input module | 24V DC | 145 × 171 × 130 | 0.40 |
| 1746-NO4V | SLC 500 | Analog output module | 24V DC | 145 × 171 × 130 | 0.45 |
| 1746-A7 | SLC 500 | 7-slot chassis | External | 381 × 171 × 145 | 1.8 |
These modules are commonly used together to create complete motion and control systems.
Below are 5 widely used models from the same brand in industrial automation systems:
| Model | Product Type | Key Function | Power | Dimensions (mm) | Weight kg( ) |
|---|---|---|---|---|---|
| 1747-L551 | PLC CPU | Modular controller | 24V DC | 145 × 140 × 130 | 0.95 |
| 1756-L73 | PLC Processor | High-performance control | 24V DC | 145 × 140 × 130 | 0.90 |
| 1769-L33ER | Compact PLC | Integrated automation control | 24V DC | 118 × 87 × 87 | 0.50 |
| 1734-IE2C | I/O Module | Analog input module | 24V DC | 56 × 12 × 75 | 0.15 |
| 1756-IF16 | Analog Input Module | Multi-channel input | 24V DC | 137 × 140 × 130 | 0.40 |