Allen-Bradley 1756-IB16D ControlLogix Digital DC Input Module

The 1756-IB16D is a ControlLogix Digital DC Input Module designed by Allen-Bradley, a Rockwell Automation brand. It features 16 diagnostic inputs that help monitor and manage digital input signals in industrial automation systems. The module supports an operating voltage range of 10-30V DC and offers diagnostic features like fault detection and timestamping. Compatible with the 1756 ControlLogix chassis, it ensures smooth integration within the system. Its diagnostic inputs are grouped into four sets, providing useful insights into module performance.

Technical Specifications

• Manufacturer: Rockwell Automation
• Brand: Allen-Bradley
• Part Number/Catalog No.: 1756-IB16D
• Series: ControlLogix
• Module Type: Digital DC Input Module
• Inputs: 16 Diagnostic Inputs

Electrical Specifications

• Input Voltage: 12-24 Volts DC Sink
• Operating Voltage Range: 10-30 Volts DC
• Input Delay Time: 4 ms + user-selectable filter time
• Minimum Operating Current: 2 mA at 10V DC
• Maximum Operating Current: 13 mA at 30V DC
• Maximum Input Current (Off-State): 1.5 mA per point
• Power Dissipation (Max): 5.8 Watts at 60°C
• Backplane Current at 5V: 150 mA
• Maximum Thermal Dissipation: 19.78 BTU/hr
• Inrush Current: 250 mA

Input Characteristics

• Input Delay (Off to On): 340 µs nominal (up to 1 ms hardware delay + user filter time)
• Input Delay (On to Off): 740 µs nominal (up to 4 ms hardware delay + user filter time)

Mounting & Compatibility

• Removable Terminal Block(s): 1756-TBCH, 1756-TBS6H
• UPC: 10612598164490
• Chassis Compatibility: 1756 ControlLogix Chassis

• Operating Temperature: 0 to 60°C
• Voltage Category: 12/24V DC Sink