Allen-Bradley 1769-ECL End Cap Terminator

Overview

The Allen-Bradley 1769-ECL is a crucial component for the CompactLogix and MicroLogix 1500 systems. Manufactured by Allen-Bradley, this end cap or terminator ensures stable and secure termination of the left end of the communication bus. This enhances system performance and minimizes signal disruptions.

Key Features

Product Type: End Cap / Terminator
Manufacturer: Allen-Bradley
Part Number: 1769-ECL
Series: A and B
Enclosure Type: Open Style (No Enclosure Rating)
Application: Compatible with CompactLogix and MicroLogix 1500 systems.

The 1769-ECL is specifically designed to terminate the communication bus on the left side. Its straightforward installation process and high reliability make it ideal for CompactLogix and MicroLogix 1500 devices.

Technical Specifications

Specification	Value
Part Number	1769-ECL
Module Type	End Cap / Terminator
Weight	0.13 lbs (0.06 kg)
Dimensions (H x W x D)	87 x 15 x 118 mm
Power Consumption	33.6 Watts
Current Draw	5 mA @ 5V DC
Backplane Current	1.4 Amps @ 24V DC
Operating Temperature	32-140 °F (0-60 °C)
Non-Operating Temperature	-40 to 185 °F (-40 to 85 °C)
Humidity	5-95% (Non-condensing)
Vibration Resistance	5 g @ 10–500 Hz
Shock Resistance (Operating)	20 g (DIN Rail Mount)
Shock Resistance (Non-Operating)	30 g (DIN Rail Mount)
Maximum Altitude	6562 feet (2000 meters)
ESD Immunity	8 kV (Air Discharges)

Temperature and Durability

The 1769-ECL operates effectively in environments with an operating temperature range of 32°F to 140°F (0°C to 60°C). Additionally, it can withstand non-operating temperatures from -40°F to 185°F (-40°C to 85°C). Furthermore, the module undergoes rigorous testing under thermal shock, dry heat, and cold conditions, ensuring its reliability. It also tolerates humidity levels from 5% to 95%, without condensation, making it suitable for various industrial settings.

Shock and Vibration Resistance

This module is designed to endure harsh physical conditions. For instance, the 1769-ECL resists 5g vibration at frequencies between 10–500 Hz during operation. When mounted on a DIN rail, it can handle 20g of operating shock. On the other hand, the non-operating shock tolerance is 30g for DIN rail mounts, providing superior durability for demanding environments.

Electrical Specifications

The 1769-ECL module features a maximum bus current draw of 5 mA at 5V DC, ensuring minimal power consumption. Moreover, it has a backplane current draw of 1.4 Amps at 24V DC, making it efficient for continuous communication. This low power usage helps optimize system performance and reduce energy consumption.

Installation and Compatibility

Designed for flexibility, the 1769-ECL can be mounted on both DIN rail and panel mount systems. Its open-style design allows for easy installation and maintenance. Additionally, its compact size ensures compatibility with a variety of system configurations, whether in tight or open spaces.