Allen-Bradley 1746-IB32 SLC 500 32-Point 24VDC Input Module

Product Overview

The Allen-Bradley 1746-IB32 is a digital DC input module. It belongs to the SLC 500 series. This module provides thirty-two sink inputs. It operates at a nominal 24 Volts DC. Engineers use it for general purpose DC input applications. The module offers fast and reliable signal detection. Its compact design saves space in the control panel. The 1746-IB32 uses a 3 millisecond off-to-on delay. This ensures accurate signal capture. The module also features a low off-state current of 1 milliamp. This reduces false readings. The 1746-IB32 is built for industrial environments. It handles a shock rating of 30G. This makes it durable for heavy machinery. The module connects via 1746-HT or 1746-HCA cables. These provide secure wiring connections. The module draws 0.05 Amps from the 5 Volt backplane. It dissipates 6.65 Watts total. Each channel uses 0.20 Watts of power. This keeps heat generation low.

Application Scenarios

This module works in many automation tasks. Use it for monitoring limit switches. It can read push button states. The 1746-IB32 senses proximity sensor signals. It also detects photoelectric sensor outputs. Use it in conveyor systems. It works well in packaging machines. The module is ideal for material handling. Use it in assembly line controls. It suits general purpose machine control. The module handles 24VDC signals from sensors. It provides a clean digital signal to the PLC. This makes it perfect for discrete manufacturing. The 1746-IB32 also works in process control. It reads valve position feedback. It monitors safety interlock circuits. The module is reliable in harsh conditions. It operates at temperatures up to 60 degrees Celsius. The voltage range is 15 to 30 Volts DC at 50 degrees C. This ensures stable performance.

Technical Specifications

The module has thirty-two inputs. The input voltage is 24 Volts DC. The operating voltage range is 15 to 30 Volts DC at 50 degrees C. At 60 degrees C, the range is 15 to 26.4 Volts DC. The off-to-on delay time is 3 milliseconds. The step response is 100 milliseconds in and 2.5 milliseconds out. The off-state current is 1 milliamp. The backplane current at 5 Volts is 0.05 Amps. The backplane current at 24 Volts is 0 mA. The power dissipation per channel is 0.20 Watts. The power dissipation per module is 6.65 Watts. The module uses sink input logic. The I/O connection uses 1746-HT and 1746-HCA cables. The shock rating is 30G. The UPC code is 10662468092712. These specifications ensure reliable operation. The 1746-IB32 meets strict industrial standards.

Installation & Maintenance Guide

Install the module into an SLC 500 chassis. First, ensure the system power is off. Align the module with the backplane connector. Push the module firmly into place. Secure it with the locking tabs. Connect the field wiring to the 1746-HT or 1746-HCA cable. Wire the sensors to the correct terminals. Follow the user manual for pin assignments. Power on the system and verify operation. Use the programming software to configure inputs. Check the input status indicators. Regularly inspect connections for tightness. Keep the module clean from dust. Ensure proper airflow for cooling. Do not exceed the specified voltage ranges. Replace the module if it shows damage. For troubleshooting, check the backplane current. Verify the input voltage at the terminals. Test the sensor wiring for continuity. The module requires minimal maintenance. It is designed for long service life. Always follow safety procedures during installation.

Packing List

One Allen-Bradley 1746-IB32 digital input module. One installation guide. The module is packaged securely. It is ready for immediate use. The package includes no additional cables. Order cables separately if needed. The module ships in an anti-static bag. This protects it from electrostatic damage. The package is suitable for shipping via FedEx, UPS, or DHL. The 1746-IB32 is a standalone unit. Ensure you have the correct chassis for installation. The packing list is complete for a standard purchase.