Product Description
Spectrum Controls 1746SC-CTR8 8 Channel Counter Input Module
The Spectrum Controls 1746SC-CTR8 is a robust 8-channel counter input module engineered for seamless integration with the Allen-Bradley SLC 500 programmable logic controller system. Specifically designed for demanding counter and flow applications, this module delivers precise high-speed data acquisition. It operates on an input voltage range of 18-30V DC and draws minimal backplane current (125mA at 24VDC and 225mA at 5VDC). To ensure maximum reliability and ease of maintenance, the 1746SC-CTR8 features built-in module and channel status LEDs for quick visual diagnostics, as well as an onboard battery backup system (Tracer Power) to guarantee critical data retention during power outages.
Technical Specifications:
- Brand: Spectrum Controls
- Model/Catalog Number: 1746SC-CTR8
- System Compatibility: Allen-Bradley SLC 500 Series
- Number of Channels: 8 Input Channels
- Operating Input Voltage: 18-30V DC
- Backplane Current (5V DC): 225 mA
- Backplane Current (24V DC): 125 mA
- Diagnostics: Module and Channel Status LEDs
- Data Protection: Onboard Battery Backup (Tracer Power)

Spectrum Controls 1746SC-CTR8 8 Channel Counter Input Module
Upgrade your automation system with the Spectrum Controls 1746SC-CTR8 8-Channel Counter Input Module. Fully compatible with SLC 500 platforms, this module is ideal for complex counter and flow applications, featuring 18-30V DC operation, LED diagnostics, and onboard Tracer Power battery backup for secure data retention.






