وصف

Allen Bradley 1769-IQ32T Compact I/O Digital Input Module

The Allen Bradley 1769-IQ32T, also cataloged as the 1769-IQ32T Discrete Input Module, operates as a dedicated hardware component for 24 VDC digital signal acquisition within CompactLogix and MicroLogix 1500 control platforms.

Hardware Specifications

Parameter	Specification
Model	1769-IQ32T
Brand	Allen Bradley
Origin	United States
Product Type	Discrete Input Module
Product Line	CompactLogix
Product Family	Compact I/O
Module Type	Compact DC Input Module
Input Type	Digital Input
Number of Inputs	32 channels
Input Groups	4 groups, 8 inputs per group
Voltage Rating	24 VDC sink/source
Operating Voltage Range	10-30 VDC at 30 deg C; 10-26.4 VDC at 60 deg C
Off-state Voltage	5 VDC maximum
On-state Voltage	10 VDC minimum
Input Delay, On	8 ms
Power Supply Distance Rating	8 modules
Communication Cable	32 Point prefabricated cable
Compatible Controllers	MicroLogix 1500, CompactLogix
Wiring Accessory	1746-N3 shipped with module
Replacement Terminal Block	1769-RTBN18
Wiring System	Allen Bradley 1492 wiring systems
Series	A and B
Wire Type	Copper, 90 deg C
Wire Size	22-14 AWG
Weight	0.31 lbs (0.14 kg)
Mounting	DIN rail or panel mount
Power Supply Compatibility	1769-PA2, 1769-PB2, 1769-PA4, 1769-PB4

EtherNet/IP and CompactLogix I/O Integration

The 1769-IQ32T supports high-density digital input collection through the Compact I/O architecture. Therefore, the module connects to CompactLogix and MicroLogix 1500 systems through the 1769 backplane interface. Its 32-channel design increases I/O density while maintaining segmented input grouping for field wiring organization.

Additionally, the CompactLogix platform provides deterministic controller communication through the local I/O bus. The module configuration integrates with RSLogix 500 and Studio 5000 programming environments according to controller family compatibility.

The module supports Allen Bradley I/O density scaling strategies by allowing multiple Compact I/O modules within the controller system. The power supply distance rating of 8 modules defines the maximum installation position relative to the controller or power source.

Frequently Asked Questions

Q: What type of field signals can the 1769-IQ32T accept?
A: The module accepts 24 VDC digital input signals configured as sink/source inputs. It supports discrete ON/OFF field devices connected through the 32 input channels.

Q: Can the 1769-IQ32T operate with both CompactLogix and MicroLogix 1500 systems?
A: Yes. The module is designed for use with 1769 CompactLogix controllers and MicroLogix 1500 systems that support Compact I/O expansion.

Q: Does the module require a separate terminal block for field wiring?
A: The module uses a 1769-RTBN18 replacement terminal block and supports Allen Bradley 1492 wiring systems with prefabricated cable solutions.

Field Installation Guidelines

Install the 1769-IQ32T on a DIN rail or panel surface according to the controller platform installation requirements. Verify that the module remains within the specified power supply distance rating before adding additional I/O modules.

Use copper conductors with suitable insulation ratings for field connections. Maintain proper separation between digital input wiring and high-voltage or high-noise conductors to reduce electrical interference.

Connect cable shields and grounding points according to the control cabinet grounding design. Avoid routing input cables parallel to motor power cables, variable frequency drive outputs, or other high-current circuits.

Before applying field voltage, confirm input polarity, sink/source configuration, and terminal assignments. Verify controller recognition and I/O configuration parameters after installation.

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