Description

Allen Bradley 1769-IQ16 CompactLogix Input Module

The Allen Bradley 1769-IQ16, also cataloged as the 1769-IQ16 Input Module, operates as a dedicated hardware component for digital signal acquisition within CompactLogix controller platforms. It provides sixteen 24 VDC sink/source input channels arranged in two groups of eight points.

Hardware Specifications

Parameter	Specification
Model	1769-IQ16
Brand	Allen Bradley
Origin	United States
Product Type	Digital Input Module
Product Line	CompactLogix
Number of Inputs	16 inputs, 8 points per group
Voltage Category	24 VDC Sink/Source
Operating Voltage Range	10 to 30 VDC at 30 deg C; 10 to 26.4 VDC at 60 deg C
Input Delay	8 ms on/off delay
Weight	0.44 lbs (0.20 kg)
Dimensions	Not specified in provided data
Operating Temp	0 to 60 deg C
Power Consumption	3.55 W maximum heat dissipation
Current Draw	115 mA at 5.1 V
Maximum Off-State Voltage	5 VDC
Maximum Off-State Current	1.5 mA
Slot Width	1 slot
Mounting Type	DIN rail or panel mount
Enclosure Type	Open-style
Compatible Power Supplies	1769-PA2, 1769-PB2, 1769-PA4, 1769-PB4
Communication Interface	CompactLogix backplane bus

CompactLogix Industrial Control Integration

The 1769-IQ16 uses CompactLogix backplane communication for controller-level data exchange. The module transfers discrete input states through the local I/O architecture, while the controller manages execution logic and process sequencing.

In addition, the module supports I/O density scaling within CompactLogix systems by providing sixteen digital input points in a single slot. The sink/source input design allows connection with multiple field device wiring configurations, including proximity switches, limit switches, and discrete sensors.

The module follows Allen Bradley industrial control architecture principles, including backplane bus communication velocity management, deterministic I/O data updates, and firmware compatibility within supported CompactLogix platforms.

Frequently Asked Questions

Q: Does the 1769-IQ16 support both sinking and sourcing input devices?
A: Yes. The module supports 24 VDC sink/source input configurations through its sixteen digital input channels.

Q: Can the 1769-IQ16 operate in a hot-swappable condition?
A: No. The module requires installation or removal according to CompactLogix system power handling procedures. Field replacement should follow controller and rack safety requirements.

Q: What wiring considerations apply when installing the 1769-IQ16?
A: Field wiring should maintain proper separation between discrete input circuits and high-energy conductors. Shielded cable grounding practices should follow the requirements of the connected field devices.

Field Installation Guidelines

Install the 1769-IQ16 module on a compatible CompactLogix chassis or MicroLogix 1500 system according to the hardware installation manual.

Verify the 24 VDC field supply polarity before connecting input devices. Use appropriate terminal wiring methods and maintain separation between signal wiring and power conductors to reduce electrical interference.

Ground cable shields according to the field device manufacturer recommendations. Confirm that the module seating, terminal connections, and DIN rail or panel mounting hardware provide proper mechanical retention before system startup.

Check input channel status through the controller software after installation. Validate each connected field signal before placing the control application into normal operation.

Specifications

• Brand: Allen Bradley

Advantages

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