Description
The Allen-Bradley 1756-IC16 is a high-performance digital input module designed for the ControlLogix platform. This module provides 16 points of isolated DC input, specifically engineered for 48V DC sinking applications. It is widely utilized in industrial environments to interface field devices with the ControlLogix controller, ensuring reliable signal acquisition and system diagnostic monitoring.
Features
- 16 isolated input channels for versatile field device integration.
- Designed for 48V DC sinking input configurations.
- Integrated status indicators for individual input communication and overall module health.
- Robust ControlLogix architecture for seamless integration into existing rack systems.
- Wide operating voltage range from 30V to 60V DC to accommodate various power supply fluctuations.
Technical Specifications
| Manufacturer |
Allen-Bradley |
| Model Number |
1756-IC16 |
| Module Type |
DC Digital Input |
| Number of Inputs |
16 |
| Nominal Input Voltage |
48V DC |
| Operating Voltage Range |
30-60V DC |
| Input Type |
Sinking |
| Min. Operating Current |
2 mA at 30V DC |
| Max. Operating Current |
7 mA at 60V DC |
| Max. Off-State Current |
1.5 mA |
Installation Guidelines
- Ensure the ControlLogix chassis is powered down before inserting or removing the 1756-IC16 module to prevent electrical damage.
- Verify that the module is fully seated in the chassis slot and secured using the top and bottom locking tabs.
- Use appropriate shielded cabling for input signals to minimize electromagnetic interference (EMI) in high-noise industrial environments.
- Maintain proper ventilation in the control cabinet to ensure the module operates within its specified temperature limits.
- Follow standard ESD (Electrostatic Discharge) mitigation practices when handling the module to protect internal circuitry.
FAQ
What is the primary function of the 1756-IC16 module?
The 1756-IC16 is a 16-point digital input module used to detect 48V DC signals from field sensors and switches, converting them into digital data for the ControlLogix controller.
Does this module support sourcing inputs?
No, the 1756-IC16 is specifically designed for sinking input configurations.
How can I monitor the status of the inputs?
The module features front-panel LED indicators that provide real-time status for both individual input points and overall module communication health.
