Allen-Bradley 1771-IB PLC 5 8-Input DC Sink Module

Allen-Bradley 1771-IB 8-Point Digital DC Input Module Overview

Key Features and Technical Specifications

• The Allen-Bradley 1771-IB features 8 input channels with a voltage category of 10-60V DC Sink (Source Load) and an operating range of 10-27V DC.
• This module delivers nominal current ratings of 8 mA at 12V DC and 24 mA at 24V DC.
• The 1771-IB provides typical signal delays of 12 ms (±7 ms) for On-DC transitions and 20 ms (±7 ms) for Off-DC transitions.
• It draws 74 mA from the backplane at 5V DC and maintains a maximum Off-State current of 3.0 mA.
• The module measures 3.5 x 6.5 x 2.0 inches (89 x 165 x 51 mm) with maximum power dissipation of 5.7W and thermal dissipation of 19.3 BTU/hr.

Frequently Asked Questions

• What is the input voltage range for the 1771-IB? The 1771-IB operates with DC voltages from 10 to 27 Volts within a broader 10-60V DC sink voltage category.
• How many inputs does this module provide? The Allen-Bradley 1771-IB offers 8 inputs for connecting sink-type DC field devices.
• What are the current ratings at different voltages? This module draws 8 mA at 12V DC and 24 mA at 24V DC nominal.
• What are the signal delay specifications? The 1771-IB features typical DC On delays of 12 ms (±7 ms) and DC Off delays of 20 ms (±7 ms).
• What wiring arm does this module require? The 1771-IB uses the 1771-WN wiring arm, included with your purchase for immediate installation.
• What is the backplane current draw? The module draws 74 mA from the 5V DC backplane supply.
• Is this module compatible with source devices? Yes, the 1771-IB works with source-switching devices including dry-contact switches, electro-mechanical transmitters, selector switches, and pushbuttons.
• What are your shipping and return policies? We maintain in-stock inventory and ship within 5 business days via DHL, FedEx, or UPS. We accept returns within 30 days of delivery.

Partner Information

NexAuto Technology Limited: https://www.nex-auto.com/

Contact Information

For inquiries, please contact our sales team:
Email: sales@nex-auto.com
Phone/WhatsApp: +86 153 9242 9628