Description

Allen-Bradley 1769-IQ32 CompactLogix Digital Input Module

Configured for 24 VDC discrete signal acquisition in CompactLogix control systems, the Allen-Bradley 1769-IQ32 (1769-IQ32 Digital Input Module) provides direct electrical processing for field input devices through 32 DC input channels.

Hardware Specifications

Parameter	Specification
Model	1769-IQ32
Brand	Allen-Bradley
Origin	USA
Product Type	Digital Input Module
Product Line	CompactLogix
Input Channels	32 inputs
Input Groups	4 groups, 8 inputs per group
Voltage Category	24 VDC
Input Delay	8 ms ON and OFF delay
Current Draw	170 mA at 5.1 VDC
Power Consumption	4.6 W maximum heat dissipation
Weight	0.31 kg (0.69 lbs)
Maximum Off-State Voltage	5 VDC
Maximum Off-State Current	1.5 mA
Minimum On-State Voltage	10 VDC
Minimum On-State Current	2 mA
Maximum Inrush Current	250 mA

EtherNet/IP and CompactLogix I/O Architecture Compatibility

The 1769-IQ32 operates as a CompactLogix expansion I/O module and processes discrete field signals through the controller backplane communication structure. The module supports I/O density scaling by providing 32 input points within a compact hardware footprint. Therefore, engineers can integrate multiple input modules while maintaining organized channel grouping and simplified panel wiring.

The module receives 24 VDC field signals and transfers input status data through the CompactLogix local I/O system. Additionally, the 8 ms input delay configuration provides controlled signal recognition for ON and OFF transitions, reducing unstable input changes during normal operation.

The module supports industrial control applications requiring direct digital signal acquisition. Moreover, its defined off-state and on-state voltage thresholds allow the controller to distinguish field device states according to standard DC input characteristics.

Frequently Asked Questions

Q: Does the 1769-IQ32 support AC input signals?
A: No. The 1769-IQ32 is a 24 VDC digital input module designed for DC discrete signal processing.

Q: How are the 32 input channels organized internally?
A: The module organizes the 32 inputs into four groups, with each group containing eight input channels.

Q: What communication method does the module use within a CompactLogix system?
A: The module exchanges I/O data through the CompactLogix local I/O backplane communication interface.

Field Installation Guidelines

Install the 1769-IQ32 on the CompactLogix local I/O assembly according to the controller system configuration requirements. Verify that the module is correctly seated on the backplane before applying field power.

Use appropriate industrial wiring practices for 24 VDC input circuits. Separate low-level signal wiring from high-voltage power conductors to reduce electrical interference. Connect cable shields according to the system grounding design and maintain proper cabinet grounding.

Confirm field device polarity before connecting input terminals. Check that input voltage levels remain within the specified ON-state and OFF-state limits before commissioning the control application.

Specifications

• Brand: Allen Bradley

Advantages

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