Product Introduction
The Allen-Bradley 1746SC-CTR4 Counter Module is a high-performance 4-channel counter designed for precise counting and measurement applications in industrial automation systems. It is part of the SLC 500 series and is engineered to interface directly with programmable controllers, providing reliable signal processing for high-speed inputs.
This module is capable of handling turbine flowmeters and other pulse-generating devices, supporting frequencies up to 50 kHz. Its robust design ensures accurate counting even in electrically noisy industrial environments, making it ideal for process monitoring, production line control, and flow measurement.
With support for 4 channels and multiple input types, the 1746SC-CTR4 module enables versatile counting configurations and integrates seamlessly into SLC 500 systems, providing a compact and reliable solution for digital input measurement.
Product Specifications
| Parameter | Description |
|---|---|
| Product Type | Counter Module |
| Manufacturer | Allen-Bradley |
| Series | SLC 500 |
| Model Number | 1746SC-CTR4 |
| Number of Channels | 4 Channels |
| Input Type | 4-Point (4PT) |
| Maximum Input Frequency | 50 kHz |
| Application | Turbine Flowmeter, Pulse Counting |
| Input Impedance | 25 kΩ |
| Maximum Input Current | 225 mA |
| Maximum Power Consumption | 1.75 W |
| Mounting Type | SLC 500 Backplane / Control Cabinet |
| Operating Environment | Industrial Automation Systems |
| Dimensions | 144.5 × 34.6 × 130.18 mm |
| Weight | 0.16 kg |
Applications
• Flow measurement using turbine flowmeters, accurately counting pulse outputs
• High-speed pulse counting, supporting industrial production line monitoring
• Process control, integrating with SLC 500 programmable controllers
• Machine automation, enabling precise input monitoring for multiple channels
• Data acquisition, for monitoring sensors and pulse-generating devices
• Industrial counting tasks, supporting high-frequency and multi-channel input signals
Advantages
• High-speed counting capability, up to 50 kHz input frequency
• Four independent channels, supporting multi-input measurement in one module
• Low power consumption, improving overall system efficiency
• Robust industrial design, ensuring reliable operation in electrically noisy environments
• Direct SLC 500 integration, simplifying setup and configuration
• Versatile signal compatibility, supporting turbine flowmeters and other pulse devices
Excellent PLC
