
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 1756-DICAM (Digitax Digital Cam Switch) |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product Type | Digital Cam Switch Module |
| Compatible Platform | ControlLogix 1756 I/O Rack |
| Number of Inputs | 8 (Galvanically Isolated) |
| Number of Outputs | 24 (Galvanically Isolated, Expandable) |
| Programmable Cams | Up to 1200 (Expandable to 10,000) |
| Program Storage | 32,768 Programs |
| Cycle Time | Adjustable, typically 70 µs |
| Delay Compensation | 0 to 9999.9 ms |
| Power Supply | 24V DC via Backplane |
| Power Consumption | 450 mA @ 24V DC |
| Output Current | 0.2 A per output (0.4 A at 50% duty cycle) |
| Operating Temperature | 0 °C to 55 °C |
| Enclosure Rating | IP20 |
Main Features and Advantages
High-speed precision control: The 1756-DICAM operates with an exceptionally fast cycle time, enabling microsecond-level accuracy in output switching. This high-speed processing is crucial for synchronizing actuators, solenoids, and tools with the exact position of a machine shaft, ensuring operations like cutting, sealing, or filling occur at the precise moment required. The module’s ability to handle high-resolution encoder inputs and execute complex cam profiles with minimal latency makes it ideal for high-throughput production lines where even minor timing errors can lead to significant waste or downtime.Advanced speed compensation: Unlike mechanical cams, which have fixed profiles that can lead to timing drift at different speeds, the 1756-DICAM features sophisticated speed compensation algorithms. This technology automatically adjusts the actuation points of the digital cams based on real-time machine velocity. This means that a packaging machine can maintain perfect registration and timing whether it is running at slow jog speed or at full production rate, eliminating the need for manual recalibration and ensuring consistent product quality across the entire speed range.Unmatched flexibility and diagnostics: The module replaces an entire bank of mechanical cams and switches with a single, software-configurable unit. Engineers can create, modify, and optimize cam profiles using dedicated software (such as CamCon DC1756) without ever touching a physical component. This drastically reduces changeover times and allows for rapid prototyping of new machine sequences. Furthermore, the 1756-DICAM offers extensive diagnostic capabilities through its front-panel status LEDs and software interface, providing clear visibility into input states, output activity, and system faults, which simplifies troubleshooting and reduces mean time to repair (MTTR).







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