1756-IB16D ControlLogix Diagnostic Input Module by Allen-Bradley

Product Overview

The Allen-Bradley 1756-IB16D is a high-performance diagnostic input module. It belongs to the ControlLogix series. This module offers 16 digital inputs. It operates on 12/24 VDC sink voltage. The module provides advanced diagnostic features. It helps reduce system downtime. The 1756-IB16D uses a 36-pin connector. It accepts a wide voltage range from 10 to 31.2 VDC. This module is ideal for critical automation tasks.

Application Scenarios

This module works well in discrete manufacturing. It is suitable for packaging lines. It can monitor machine status in real time. The diagnostic inputs detect wiring faults. Use it in automotive production lines. It is also good for material handling systems. The module improves troubleshooting speed. It fits into any ControlLogix chassis. Operators can quickly identify sensor failures.

Technical Specifications

The 1756-IB16D has 16 diagnostic inputs. Each group contains 4 points. The nominal input voltage is 12/24 VDC. The operating range is 10-30 VDC. The minimum operating current is 2 mA at 10 VDC. The maximum operating current is 13 mA at 30 VDC. The off-state current is 1.5 mA per point. The input delay is 4 ms plus filter time. Power dissipation is 5.8 Watts at 60 degrees Celsius. The backplane current is 150 mA at 5 Volts.

Installation & Maintenance Guide

Install the module into any ControlLogix slot. Use a 1756-TBCH or 1756-TBS6H terminal block. Ensure power is off before wiring. Connect field devices to the 36-pin connector. The module supports sink wiring only. Use proper wire sizes for connections. Regularly check for loose wires. The diagnostic LEDs show module status. Clean the module with a dry cloth. Do not use solvents for cleaning.

Packing List

Each package includes one 1756-IB16D module. It also includes a documentation sheet. The terminal block is ordered separately. The module is protected in anti-static packaging. We ship via FedEx, UPS, or DHL. All items are tested before shipping. Contact us for bulk orders.