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- 1769-ECR CompactLogix
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1769-ECR CompactLogix
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Allen Bradley
Automation Webstore is NOT an authorized distributor for this manufacturer and therefore the manufacturer’s warranty does not apply. Product comes with Automation Webstore's 1-year warranty.
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Product Description
Warranty Information
All Surplus and Refurbished products come with a 1-Year Automation Webstore Warranty.
Product Overview
The 1769-ECR is a CompactLogix component for use with the Allen Bradleys 1769 CompactLogix family of controllers. This component is installed after the rightmost module of the chassis that terminates the communication bus voltage.
The 1769-ECR is basically a terminating resistor. It consumes the excess voltage generated by an open connection in the chassis. The component closes this connection by consuming the voltage thus providing feedback to the CPU that the last module has been established. With the 1769-ECL installed, Processor communication may be established.
The 1769-ECR is an electrostatic sensitive device as it contains electronic components installed on a PCB board housed by the component. Touch a grounded object to discharge static potential or wear an appropriate wrist strap. Do not attempt to touch the conductors and electronic components while in the process of insertion. Store the component in a static safe location or place in a static protection plastic or bag. Alternatively, work on a static safe station.
The 1769-ECR is installed on the right side of the chassis or after the rightmost module. Slide the component from the top aligned with the last module. Switch the bus lever to establish connection to the bus. If restriction is felt, verify alignment of the component and ensure each of the contacts are not deformed.
The module cannot be installed or uninstalled in an actively powered CompactLogix system. It does not support hot-swap feature therefore, install this component only when power is shut-off. Do not attempt to install and uninstall the component on a powered or functioning system. Performing this may render the system unresponsive, switch to an uncontrollable state or completely shut down.
The modules dimension is 3.35 Inches wide, 4.65 inches long and depth of 0.71 inches.
VIIIVThe 1769-ECR is a CompactLogix component that belongs to the End Caps and terminator accessories. It is used to terminate the communication bus. This module is installed after the righmost module of the chassis.