Allen-Bradley 1756-IB32 DC Input Module

Series#: AllenBradley

Product Details

1756-IB32 – High-density 32-point 24V DC Sinking Input Module for Allen-Bradley ControlLogix systems.
Compact 32-channel design reduces panel space while maximizing I/O capacity per slot.
Electrically isolated input groups for enhanced noise immunity in industrial environments.
Removable terminal block (RTB) simplifies wiring, maintenance, and module replacement.
Seamless integration with ControlLogix 1756 backplane and Studio 5000 environment.
Guaranteed 100% Original factory condition, offering fast and secure worldwide delivery.

Specification

The Allen-Bradley 1756-IB32 is a high-performance 32-point discrete input module designed for the ControlLogix platform, providing reliable 24V DC sinking input capability in a single-slot form factor. This module is ideal for applications requiring dense digital input monitoring, such as machine control, material handling, and process automation. Each input channel features fast response times and built-in diagnostic indicators for real-time status verification. The 1756-IB32 supports hot-swappable operation via the 1756 backplane, ensuring minimal downtime during maintenance or expansion. Its robust design meets industrial standards for vibration, shock, and electrical noise, making it suitable for harsh factory floor environments. With the included removable terminal block, field wiring is simplified and secure, reducing installation errors and improving overall system reliability.

Parameter	Specification
Part Number	1756-IB32
Product Type	Discrete Input Module
Input Channels	32 (Sinking)
Input Voltage Rating	24V DC (10-31.2V DC operational range)
Input Current per Point	8 mA typical at 24V DC
Input Off-State Voltage	Max 5V DC
Input On-State Current	Min 2 mA
Input Off-State Current	Max 1.5 mA
Isolation Voltage	250V continuous (input to backplane)
Response Time (Off to On)	1 ms typical
Response Time (On to Off)	1 ms typical
Backplane Current (5V DC)	120 mA
Backplane Current (24V DC)	2 mA (module only)
Power Dissipation	3.5 W maximum
Operating Temperature	0°C to 60°C (32°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 (operating)
Shock Resistance	30 g (operating)
Terminal Type	Removable Terminal Block (RTB), 36-pin
Wiring Category	Class 1, Division 2 (Hazardous Location)
Dimensions (H x W x D)	144 x 35 x 105 mm (5.67 x 1.38 x 4.13 in)
Weight	Approximately 0.25 kg (0.55 lb)
Compatible Platforms	ControlLogix 1756 chassis and backplane
LED Indicators	Green for each input channel (ON status)
Standards Compliance	CE, cULus, ATEX (Zone 2), IECEx