DRN3.1 | PWM/Analog/Floating Point Input to Resistance Output, Selectable Resistance Network | ACI

DRN3.1 | Analog Input | Pulse Width (PWM) Input | Floating Point Input to Resistive Output Interface Module

Description

The DRN3.1 is an interface device that allows microprocessor control of a variable resistance. The DRN3.1’s isolated resistor network can be controlled by several dierent DDC signal types. It directly replaces a variable resistance controller and simulates the action of a slide wire or rotary potentiometer. All connections of the simulated potentiometer, the wiper, and both ends of the resistance range are available on the terminal strip. The DRN3.1 must be ordered with a Resistance Network. The DRN3.1 accepts Analog, Pulse, or Floating Point input signals (including triac) and converts them into a proportional resistive output. The output resistance does not wrap around if the input signal exceeds the highest or lowest selected input value. Custom resistance ranges are available upon request. The DRN3.1 has on-board fail-back relays that lock out the original resistive signal during operation. However, if the supply power is lost, control of the circuit will revert back to the original controller signal. An easy local override can be made by placing a xed (or variable) resistor between W and R Fail-safe terminals. Jumper inputs can be specied to have the factory set them. This will speed up installation time for the end user.

Applications

Electronic Potentiometer, Electric Actuator Control, Resistive Sensor Simulation