Flex I/O Product Overview: The 1756-IB16D is a digital input module in the ControlLogix series of PLCS manufactured by Rockwell Automation (Allen-Bradley). It is mainly used to receive discrete signals from various sensors, switches and other devices, and convert them into digital signals that can be recognized by PLC to achieve automatic control.
Product description
Features:
Signal acquisition: collect 16 digital input signals.
Signal conversion: Converts the digital signal into a signal that the PLC can recognize.

Isolation protection: There is isolation protection between the input channel and the PLC to improve the reliability of the system.
Features:
High reliability: Industrial grade design, suitable for harsh industrial environments.
Modular design: easy installation and maintenance.
Flexible configuration: Supports multiple configuration modes to meet different application requ

irements.
Product parameters and specifications (typical values, refer to the product data manual)

Input type: DC or AC
Input points: 16 points
Operating voltage: varies according to the model (e.g. 24V DC, 120V AC)
Operating temperature: 0°C to 60°C
Protection level: Depending on the specific model and application environment
Dimensions: Complies with the standard dimensions of the ControlLogix chassis
Certification: Compliance with relevant safety and EMC standards
Product application
The 1756-IB16D module is widely used in various industrial automation fields, often used in:

Machine automation: used to collect limit switches, buttons, photoelectric sensors and other signals to achieve automatic control of the machine.
Process control: used to collect liquid level, temperature, pressure and other discrete signals to achieve automatic process control.
Data acquisition: Used to collect the operating status data of various devices to achieve data analysis and fault diagnosis.
Matters needing attention
Installation: Strictly follow the product instructions during installation to ensure that the connection is correct.
Configuration: The corresponding configuration needs to be carried out on the PLC to make the module work properly.