Danfoss PLUS+1 Technical Information

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Technical Information Output Configurations for PLUS+1® Controllers520L0922 • Rev EA • Sep 20138Option 3 – push/pull configuration for dual coilYou may also use two outputs to drive a bidirectional dual coil valve such as a dual coil EDC whenwired as shown below. This configuration will allow you to check the resistance of the coils for moreaccurate diagnostics. Setting PinConfig = 4 on both outputs will give closed loop current control.Refererence FMEA Considerations, pages 10 and 11.2302Coil ACoil BGround+BattLogic circuitsFETFETLogic circuitsFETFETPWM ClosedLoop CurrentConfigurationPWM ClosedLoop CurrentConfigurationDriving a BidirectionalProportional Valve(continued)2303Coil ACoil BGround+BattLogic circuitsFETFETLogic circuitsFETFETPWM ClosedLoop CurrentConfigurationPWM ClosedLoop CurrentConfiguration