Description
Description
The Allen-Bradley 1756-IB16ISOE is a specialized 16-point DC digital input module designed for the ControlLogix platform. This module is engineered for high-precision timing applications, specifically supporting Sequence of Events (SOE) recording. By providing individually isolated inputs, it ensures signal integrity and robust performance in demanding industrial control environments where precise timestamping of state changes is critical for diagnostics and process analysis.
Features
- 16 individually isolated DC digital inputs.
- Advanced Sequence of Events (SOE) recording capability for precise event timing.
- Integrated status indicators for input state, communication health, and module diagnostics.
- Wide operating voltage range: 10-55 VDC.
- Designed for seamless integration into standard ControlLogix chassis.
Technical Specifications
| Model |
1756-IB16ISOE |
| Input Points |
16 Individually Isolated |
| Operating Voltage |
10-55 VDC |
| Voltage Range (Sink/Source) |
24-48 VDC |
| Input Delay |
50 microseconds + selected filter time |
| Min. Operating Current |
5.5 mA at 55 VDC |
| Max. Operating Current |
2.0 mA at 10 VDC |
Installation Guidelines
- Ensure the ControlLogix chassis is powered down before inserting or removing the module to prevent electrical damage.
- Verify that the module is fully seated in the chassis slot and secured with the top and bottom mounting screws.
- Use appropriate shielded cabling for input signals to minimize electromagnetic interference (EMI), especially in high-noise industrial areas.
- Maintain proper ventilation within the cabinet to ensure the module operates within its specified temperature range.
- Always adhere to local electrical codes and the manufacturer's grounding requirements for the ControlLogix system.
FAQ
What is the primary function of the 1756-IB16ISOE module? This module is primarily used for Sequence of Events (SOE) applications where it is necessary to capture and timestamp digital input transitions with high resolution.
Are the inputs on this module isolated? Yes, the 1756-IB16ISOE features 16 individually isolated inputs, which helps prevent ground loops and enhances noise immunity.
