The Allen-Bradley 1756-IC16 is a high-performance 16-point digital input module designed for the ControlLogix platform. This module is specifically engineered to interface with 48V DC field devices, providing reliable signal processing in demanding industrial automation environments. It features current-sinking input circuitry and integrated status indicators for both communication and module health monitoring.
Features
16 isolated digital input points.
Designed for 48V DC nominal input voltage applications.
Current-sinking configuration for standard industrial sensor compatibility.
Integrated LED indicators for real-time status of inputs and module health.
Seamless integration with the ControlLogix backplane for high-speed data exchange.
Applications
This module is widely utilized in industrial control systems requiring robust 48V DC digital input sensing. Common applications include monitoring proximity switches, limit switches, pushbuttons, and auxiliary contacts in manufacturing, power distribution, and process control systems.
Technical Specifications
Model
1756-IC16
Module Type
DC Digital Input
Input Points
16
Voltage Range
30-60V DC
Nominal Input Voltage
48V DC
Off-State Current (Max)
1.5 mA
Operating Current (Min)
2 mA at 30V DC
Operating Current (Max)
7 mA at 60V DC
Manufacturer
Allen-Bradley
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 with the top and bottom mounting screws.
Use appropriate shielded cabling for input signals to minimize interference in high-EMI industrial environments.
Adhere to proper grounding practices for the chassis and field wiring to ensure signal integrity.
Maintain adequate airflow around the module to prevent overheating, keeping the cabinet within rated operating temperature ranges.
FAQ
What is the voltage range for the 1756-IC16? The module operates within a range of 30V to 60V DC, with a nominal input voltage of 48V DC.
Is this a sinking or sourcing input module? The 1756-IC16 is a current-sinking digital input module.
Does this module provide status diagnostics? Yes, the module includes front-panel LED indicators to display input status and overall module health.
