Product Overview:
The Allen Bradley 1746-IV32 is a high-density, 32-point DC input module designed for seamless integration with the Allen-Bradley SLC 500 programmable logic controller (PLC) series. This robust and reliable module is engineered to provide efficient and accurate monitoring of discrete DC input signals from a wide range of industrial sensors, switches, and field devices. Ideal for demanding industrial automation environments, the 1746-IV32 helps optimize panel space by consolidating 32 inputs into a single slot, making it a cost-effective solution for expanding or upgrading existing SLC 500 control systems. Its superior design ensures reliable performance, quick response times, and easy diagnostics, contributing to enhanced system uptime and operational efficiency in manufacturing, process control, and various other industrial applications.

 
Technical Specifications:

Module Type: DC Input Module
Series: SLC 500
Part Number: 1746-IV32
Alternative Part Number: 1746IV32
Number of Inputs: 32 discrete points
Input Voltage Range: 10-30V DC
Nominal Input Voltage: 24V DC
Input Type: Sink (current sinking) or Source (current sourcing) selectable via wiring
Input Current (On-State): 8 mA @ 24V DC (typical)
Off-State Leakage Current: 1.5 mA max
On-State Voltage Drop: 1.5V max
Input Delay Time (On-to-Off): 8 ms max
Input Delay Time (Off-to-On): 8 ms max
Backplane Current Draw: 100 mA @ 5V DC, 0 mA @ 24V DC
Operating Temperature: 0 to 60°C (32 to 140°F)
Storage Temperature: -40 to 85°C (-40 to 185°F)
Humidity: 5-95% non-condensing
Mounting: Installs in any available slot of an SLC 500 chassis
Weight: 0.45 kg (1 lb)
Certifications: UL Listed, CSA Certified, CE Marked (confirm specific module markings)