Description

Overview

The 1756-IV16 Digital DC Input Module from Allen-Bradley is a 16-channel sourcing input module designed for ControlLogix chassis. It operates within a voltage range of 10–30V DC, with a nominal input of 24V DC, and supports two groups of eight inputs each.

Technical Specifications

Specification	Detail
Model Number	1756-IV16
Series	GuardLogix / ControlLogix
Manufacturer	Allen-Bradley
Module Type	Digital DC Input Module
Dimensions	14.5 x 13.2 x 3.3 cm
Weight	0.2 kg
System	PLC
HS Code	8537101190
Origin	USA
Condition	Brand New
Lead Time	In Stock
Discontinued	Active
MOQ	1
Communication	Ethernet router
Input Voltage Range	10–30V DC
Nominal Voltage	24V DC
Input Channels	16 (2 groups of 8)
Input Impedance	3.2 kΩ @ 30V DC
Backplane Power	0.61 W
Power Dissipation	5.1 W @ 60°C
Thermal Dissipation	18.47 BTU/hr
Inrush Current	250 mA
Isolation Voltage	250V continuous
Off-State Voltage	Max 5V DC @ 1.5 mA
On-State Current	2 mA @ 10V DC to 10 mA @ 30V DC
Input Delay (Off-On)	280 µs + 0/1/2 ms filter
Input Delay (On-Off)	540 µs + 1/2/9/18 ms filter

Key Features

• Supports 16 sourcing digital inputs across two isolated groups.

• Offers user-selectable input filtering for flexible response times.

• Provides 250V isolation and robust noise immunity.

• Compact design with low power consumption and thermal output.

• Compatible with ControlLogix chassis and GuardLogix systems.

Specifications

• Dimensions: 14.5 x 13.2 x 3.3 cm
• Brand: Allen-Bradley

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems