Confused About Relay Lights on your DCR Controller?

DCR-1005 pump controller

If you use the DCR controller, such as the 1003/4 or the 1005/6, you may find yourself looking at blinking lights for relays that aren’t being used. It does NOT mean that something is wrong; it simply means that some default settings need to be changed to deactivate the unused relay.

Keep in mind that the controller is functioning properly, and will continue to do so even if unused relays are not deactivated.

6 Handy Trip Points on the IRU Ultrasonic Sensor

A black & white diagram of an IRU sensor shows the trip distance and window at the first and second trip points.In addition to the analog 4-20mA output, our IRU series ultrasonic sensors can be purchased with 2 NPN trip points. Fundamentally these are switches built into the level sensor that can be used to drive a relay or contractor. Through the programming software, these NPN trip points can be configured in a variety of ways that can be used to control things like pumps and alarms.

The following settings are used to control how the NPN trip points work.