Allen-Bradley 1769-IA8I Compact I/O 120VAC Input Module

The Allen-Bradley 1769-IA8I module offers an effective solution for industrial automation systems. As part of the 1769 Compact I/O series, it delivers eight isolated input channels, making it ideal for use with CompactLogix and MicroLogix 1500 controllers. With a voltage range of 79-132 VAC and a frequency of 47-63 Hz, this module provides flexibility and compatibility across a variety of systems.

Key Features and Benefits

Eight Isolated Inputs: The module includes eight (8) independent input channels. This isolation minimizes interference between signals and guarantees safe, reliable operation. Thus, you can trust it to deliver stable performance in demanding industrial environments.
Wide Voltage Range: Supporting an input voltage range of 79-132 VAC, with a nominal voltage of 100-120 VAC, this module adapts to a wide array of applications. Consequently, it proves useful in many industrial setups, ensuring consistent operation.
Superior Isolation: With an isolation rating of 1517V AC (1 second) or 2145V DC (1 second), the 1769-IA8I offers excellent protection. It shields your equipment from voltage spikes, which enhances system safety and reliability.
Compact and Easy Installation: Measuring only 1.38 x 3.43 x 4.65 inches, the module is compact enough for single-slot mounting. You can easily install it on DIN rails or panels, making it suitable for various industrial environments.
Fast Response Time: The module’s 20 ms response time ensures fast transitions from OFF to ON and vice versa. As a result, the system can react quickly to changes, maintaining efficiency and responsiveness.

Detailed Technical Specifications

Parameter	Specification
Manufacturer	Allen-Bradley
Model Number	1769-IA8I
Category	PLCs
Series	1769 Compact I/O
Module Type	Individually Isolated Discrete Input Module
Number of Inputs	8 Isolated Input Channels
Input Voltage Range	79-132 VAC
Input Frequency	47-63 Hz
Nominal Input Voltage	100-120 VAC
Input Response Time (OFF to ON)	20 ms
Maximum OFF-State Voltage	20 VAC
Minimum ON-State Voltage	79 VAC
Maximum ON-State Voltage	132 VAC
Current Draw at 5.1V	90 mA
Power Consumption	33.6 Watts
Power Dissipation	7.5 Watts
Enclosure Type	Open
Mounting	DIN Rail / Panel Mount
Isolation	1517V AC (1 sec) / 2145V DC (1 sec)
Operating Temperature	0 to 60°C
Storage Temperature	-40 to 85°C
Weight	0.38 lbs (0.17 kg)

Installation and Mounting

The 1769-IA8I module is designed for ease of installation. Whether you mount it on a DIN rail or a panel, you can quickly set it up in any environment. Additionally, it fits into single-slot spaces, ensuring compatibility with various configurations. However, to maintain optimal performance, avoid installing the module more than eight (8) modules away from the power supply.

Power and Energy Specifications

Efficient in its power usage, the 1769-IA8I minimizes power loss. It draws 90 mA from the backplane and consumes 33.6W of power. Thus, you can rely on it to maintain high performance without unnecessary energy waste.

Input Voltage Range: 79-132 VAC
Power Consumption: 33.6W
Power Dissipation: 7.5W

Operating and Environmental Conditions

The 1769-IA8I operates in a variety of conditions. It can withstand temperatures from 0°C to 60°C and stores safely between -40°C to 85°C. Moreover, it resists vibration and shock, ensuring that it performs reliably in tough industrial environments.

Operating Temperature: 0°C to 60°C
Storage Temperature: -40°C to 85°C
Relative Humidity: 5% to 95%, non-condensing
Vibration Resistance: Operates at 5g from 10 to 500 Hz
Shock Resistance: Operating shock of 30g when mounted on a panel, and 20g when mounted on a DIN rail.