Description
Description
The Allen-Bradley 1746-HSCE2 is a high-performance, multi-channel high-speed counter module designed for the SLC 500 programmable logic controller system. This module provides advanced counting capabilities for industrial applications requiring precise position, speed, or flow monitoring. It supports both single-ended and differential quadrature encoder inputs, making it a versatile solution for high-speed motion control and process measurement tasks.
Features
- Supports high-frequency counting up to 1 MHz.
- Configurable input voltage ranges for 5VDC and 24VDC signals.
- Includes 4 single-ended inputs and 2 differential quadrature inputs.
- Features 4 physical outputs for direct control and 4 virtual outputs for internal logic processing.
- Designed for seamless integration into the SLC 500 chassis.
Applications
This module is typically utilized in industrial automation environments for tasks such as high-speed conveyor belt tracking, rotary encoder feedback, flow meter pulse counting, and precise position control in packaging or assembly machinery.
Technical Specifications
| Product Model |
1746-HSCE2 |
| Input Voltage (Nominal) |
5VDC / 24VDC |
| Operating Voltage Range |
4.2V to 12V DC / 10V to 30V DC |
| Max Input Frequency |
1 MHz |
| Min Pulse Width |
475 ns |
| Min Phase Separation |
200 ns |
| Physical Outputs |
4 |
| Output Voltage Range |
10-30 VDC |
Installation Guidelines
- Ensure the SLC 500 system power is disconnected before inserting or removing the module from the chassis.
- Use shielded cables for all high-speed input signals to minimize electromagnetic interference (EMI).
- Route signal cables away from high-voltage power lines and AC motor drive cabling.
- Verify that the module is firmly seated in the backplane connector and secured with the chassis mounting screws.
- Follow standard ESD (Electrostatic Discharge) precautions when handling the module to prevent damage to internal circuitry.
FAQ
What is the primary function of the 1746-HSCE2?
The 1746-HSCE2 is a high-speed counter module that processes high-frequency pulses from encoders or sensors, allowing the SLC 500 controller to track position or speed accurately at rates up to 1 MHz.
Can this module operate with both 5V and 24V sensors?
Yes, the module supports nominal input voltages of 5VDC and 24VDC, with specific operating ranges defined in the technical specifications.
