Overview

The 1771-WA module is part of the Allen-Bradley 1771 family, typically used in conjunction with the 1771 I/O chassis for PLCs. This module connects input/output devices to the system, enabling control and monitoring functions within an industrial process. It provides a high-speed interface for transferring data between the field devices and the main PLC processor, ensuring the system operates efficiently.

Specifications

• Module Type: Analog Input Module

• Input Type: 4-20 mA or 0-10 V DC analog input.

• Number of Channels: Typically supports up to 8 input channels per module.

• Signal Range: Supports a wide range of analog signals, such as 4-20 mA and 0-10 V DC, providing flexibility in connecting to a variety of field devices.

• Resolution: Typically features 12-bit resolution, allowing for accurate readings of the analog signals.

• Power Requirements:

  • Operating Voltage: 5V DC or system-supplied voltage.
  • Current Consumption: Varies by system configuration and usage.

• Communications: Communicates with the 1771 I/O chassis through a backplane connection.

• Compatibility: Compatible with Allen-Bradley PLC-5 controllers and other PLC systems from the 1771 family.

• Mounting: Mounts into the standard 1771 I/O chassis for installation.

• Environmental Conditions:

  • Operating Temperature Range: 0°C to 60°C (32°F to 140°F).
  • Storage Temperature Range: -40°C to 85°C (-40°F to 185°F).
  • Humidity: 5% to 95% RH (non-condensing).

• LED Indicators: Includes LED indicators for diagnostic purposes, providing clear status feedback on module operation.