Allen Bradley 1756-IA16I ControlLogix Isolated Input Module

Product Introduction

The Allen Bradley 1756-IA16I ControlLogix Isolated Input Module is a 16-point digital AC input module with electrical isolation between channels to enhance system protection and signal integrity. Designed for ControlLogix automation systems, it allows safe and reliable acquisition of AC input signals from field devices while preventing interference or voltage spikes from affecting other modules.

The module supports standard industrial AC voltages and operates over a wide temperature range. Its isolated architecture is ideal for installations where high reliability and protection against electrical noise or faults are required.

---

Product Specifications

---

Applications

• High-Reliability AC Signal Acquisition
Captures digital AC signals while preventing interference between channels.

• Industrial Automation Systems
Monitors motors, sensors, and actuators in manufacturing or process applications.

• Process Control and Diagnostics
Provides isolated signal input for precise monitoring and fault detection.

• Discrete Manufacturing Lines
Supports safe and accurate input acquisition in machine-level control.

• Electrical Noise-Prone Environments
Isolation protects the control system from transients or voltage spikes.

• Distributed I/O Architectures
Integrates with other ControlLogix modules to form scalable control networks.

---

Advantages

• Electrical Isolation
Prevents cross-channel interference and protects system integrity.

• High Point Density
16 isolated digital inputs in a single compact module.

• Wide AC Voltage Support
Compatible with 79–132 VAC signals at 50/60 Hz.

• Reliable Industrial Performance
Designed for continuous operation in standard industrial environments.

• Seamless ControlLogix Integration
Installs directly in ControlLogix chassis with standard backplane communication.

• Enhanced System Protection
Ideal for applications where input isolation is critical for safety and reliability.

FAQ

1. What is the main purpose of the 1756-IA16I module?
   It provides isolated digital AC input signal acquisition for ControlLogix systems.

2. How many input points are available?
   The module has 16 isolated input points.

3. What AC voltage range does it support?
   It supports 79–132 VAC at 50/60 Hz, with a nominal 120 VAC rating.

4. What is the input current per channel?
   Each input draws 32 mA.

5. What does “isolated” mean in this module?
   Each channel is electrically separated to prevent interference and protect the system.

6. Is the module suitable for industrial environments?
   Yes, it is designed for standard industrial temperature ranges (0–60 °C).

7. Can it be installed in any ControlLogix chassis slot?
   Yes, it integrates directly with the ControlLogix backplane.

8. How does isolation improve system performance?
   It protects signals from transients and prevents cross-channel interference.

9. Is this module suitable for distributed I/O architectures?
   Yes, it integrates seamlessly with other ControlLogix modules.

10. What types of applications benefit most from isolation?
    Applications with high electrical noise, sensitive sensors, or critical signal integrity requirements.

Related Models

---

Popular Models

Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.

As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.