Allen-Bradley Digital Input Module 1756-IA16I
1756-IA16I
Allen Bradley
Allen-Bradley Digital Input Module 1756-IA16I
Need Allen-Bradley 1756-IA16I? Digital Input Module for ControlLogix. Price & Availability It provides 16 individually isolated inputs that accept AC volt…
Specifications
| Brand | Allen-Bradley |
|---|---|
| Model Number | 1756-IA16I |
| Official Product Name | ControlLogix Digital AC Input Module |
| Applicable System | ControlLogix |
| Product Type | Digital Input Module |
| Equivalent Standard | IEC 61131-2 |
| Product Status | In Stock |
| Input Voltage Range | 85-265V AC |
| Input Frequency | 47-63 Hz |
| On-State Voltage | 79V AC or greater |
| Off-State Voltage | 40V AC or less |
| Input Impedance | 12 kOhm at 50/60 Hz |
| Isolation Voltage | 1800V continuous between input terminals and backplane |
| Backplane Current (5V) | 250 mA |
| Power Dissipation | 5.0 W |
| Thermal Dissipation | 17.1 BTU/hr |
| Operating Temperature | 0 to 60°C (32 to 140°F) |
| Dimensions (H x W x D) | 14.5 x 3.5 x 14.5 cm (5.7 x 1.38 x 5.7 in) |
| Number of Inputs | 16 |
Product Description
It provides 16 individually isolated inputs that accept AC voltages from 85 to 265V AC, making it suitable for direct connection to 120V or 240V AC field devices such as limit switches, push buttons, and proximity sensors. The module features isolated inputs to prevent ground loops and enhance signal integrity in industrial environments. This module is part of Rockwell Automation's ControlLogix family, known for its modular and scalable architecture. The 1756-IA16I occupies a single slot in a 1756 chassis and communicates with the ControlLogix controller via the backplane. It supports a wide operating temperature range of 0 to 60°C and has a robust design for harsh industrial conditions. The module's isolation rating is 1800V continuous between input terminals and backplane, ensuring reliable operation. With a high input impedance of 12 kOhm at 50/60 Hz, the 1756-IA16I minimizes loading on field devices. It features an input off-state voltage of 40V AC or less and an on-state voltage of 79V AC or greater, providing clear switching thresholds. The module is ideal for applications requiring reliable AC sensing, such as motor control, packaging machinery, and material handling systems. The Allen-Bradley 1756-IA16I is a digital AC input module designed for the ControlLogix platform.
Basic Product Information
- Wide input voltage range: 85-265V AC
- High input impedance: 12 kOhm at 50/60 Hz
- Isolation voltage: 1800V continuous between inputs and backplane
- Compatible with ControlLogix chassis and controllers
- LED indicators for each input for easy diagnostics
- 16 individually isolated AC inputs
Technical Specifications
Version & Model Difference
The 1756-IA16I is the isolated version of the 1756-IA16 module. The non-isolated version (1756-IA16) does not provide individual input isolation, while the 'I' suffix indicates that each input is isolated from the others and from the backplane. This isolation helps prevent ground loops and improves noise immunity in industrial environments. There are no other major version differences; the module is part of the ControlLogix series and is compatible with all ControlLogix controllers.
Application Scenarios
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