The Allen-Bradley 1769-IQ32T Compact I/O Module is a 32-point digital input unit designed for CompactLogix systems. Operating in the 24 VDC voltage category, it supports both sinking and sourcing configurations, providing flexibility for integration with a wide range of field devices. With robust isolation and configurable digital filters, the module ensures reliable signal processing in demanding industrial environments.
Technical Specifications
Voltage Category: 24 VDC (sink/source)
Operating Voltage Range: 20.4–26.4 VDC @ 60 °C
Number of Inputs: 32
Bus Current Draw (Max): 170 mA @ 5 VDC (0.85 W)
Heat Dissipation: 4.77 W (all points energized)
Digital Filter Settings: OFF–ON and ON–OFF selectable (0 µs to 8 ms)
Hardware Delay: ON delay 0.1 ms (typical), 0.42 ms (max); OFF delay 0.25 ms (typical), 1.0 ms (max)
Off-State Voltage (Max): 11 VDC
Off-State Current (Max): 1.7 mA
On-State Voltage (Min): 19 VDC
On-State Current (Min): 3.0 mA
Inrush Current (Max): 5 mA
Nominal Impedance: 5.6 kΩ
Isolation: 1200 VAC for 1 sec or 1697 VDC for 1 sec; 75 VDC working voltage (IEC Class 2 reinforced insulation)
Isolated Groups:
Group 1: Inputs 0–7
Group 2: Inputs 8–15
Group 3: Inputs 16–23
Group 4: Inputs 24–31
Power Supply Distance Rating: 8 modules from controller or power supply
Application Scenarios
High-density digital input monitoring in CompactLogix systems
Integration with sourcing and sinking field devices
Industrial automation requiring fast response and configurable filtering
Safety-critical applications with reinforced isolation
FAQ
Q: How many input points does the 1769-IQ32T provide? A: It offers 32 digital input channels.
Q: Can it handle both sinking and sourcing devices? A: Yes, it supports both configurations for flexible integration.
Q: What isolation rating does it provide? A: Verified at 1200 VAC or 1697 VDC for 1 second, with 75 VDC working voltage.
