Allen-Bradley 1756-IB16 DC Input Module

Series#: AllenBradley

Product Details

1756-IB16 Allen-Bradley ControlLogix Digital Input Module – 16-point, 24V DC sink/source.
High-density 16-channel input design for space-saving and cost-effective I/O expansion.
Supports both sinking (PNP) and sourcing (NPN) field devices with wide voltage range (10-31.2V DC).
Built-in diagnostic LEDs per channel for rapid troubleshooting and reduced downtime.
Hot-swappable in ControlLogix chassis without powering down the system.
Rugged industrial construction rated for -20°C to +60°C ambient operation.
Guaranteed 100% Original factory condition, offering fast and secure worldwide delivery.

Specification

The Allen-Bradley 1756-IB16 is a 16-point discrete input module designed for the ControlLogix platform, providing reliable and high-speed digital signal acquisition in demanding industrial automation environments. This module accepts 24V DC signals from sensors, switches, and pushbuttons, offering both sink and source compatibility for flexible field wiring. With its compact form factor and hot-swappable capability, the 1756-IB16 simplifies system maintenance and reduces downtime. Each input channel features individual LED status indication, enabling real-time fault detection. The module is engineered for harsh conditions, operating reliably across a wide temperature range and resisting shock and vibration. Whether used in manufacturing, process control, or material handling, the 1756-IB16 delivers consistent performance and long service life.

Parameter	Specification
Product Type	Discrete Input Module
Series	ControlLogix
Part Number	1756-IB16
Number of Inputs	16
Input Voltage Rating	24V DC (10-31.2V DC operational range)
Input Type	Sink (PNP) / Source (NPN) – field selectable
Input Current (per point)	Typical 8 mA at 24V DC
Off-State Voltage	Max 5V DC
Off-State Current	Max 1.5 mA
On-State Voltage Threshold	Min 10V DC
On-State Current Threshold	Min 2.0 mA
Input Delay (Off to On)	1 ms typical
Input Delay (On to Off)	1 ms typical
Isolation Voltage	1500V AC between field and backplane (tested)
Backplane Current (5V)	75 mA typical
Backplane Current (24V)	0 mA (no 24V backplane draw)
Power Dissipation	1.5 W typical
Thermal Dissipation	5.1 BTU/hr typical
Indicators	Green LED per channel (input status), red/green module status LED
Wiring Style	Removable terminal block (RTB) – 20-pin, 3.81 mm pitch
Module Location	Any I/O slot in 1756 chassis (hot-swappable)
Operating Temperature	-20°C to +60°C (-4°F to +140°F)
Storage Temperature	-40°C to +85°C (-40°F to +185°F)
Relative Humidity	5% to 95% non-condensing
Vibration Resistance	5 g Standard Models 10-500 Hz
Shock Resistance	30 g (operational)
Certifications	UL, cUL, CE, ATEX (Zone 2), IECEx (Zone 2)
Weight	Approx. 0.25 kg (0.55 lb)
Dimensions (H x W x D)	144 x 35 x 105 mm (5.67 x 1.38 x 4.13 in)