Danfoss PLUS+1 Compliant EMD Speed Digital Direction Function Block
Specifications
- Product Name: PLUS+1 Compliant EMD Speed Sensor Digital Direction Function Block
- Manufacturer: Danfoss
- Range of Spd Input: 1,250 to 10,000,000 (Per U32 Count U16)
- Range of Dir In Input: 0 to 5,250 (Volt/Voltage U16)
Revision history
User Manual
EMD_SPD_DIR_D Function Block
Overview
This function block outputs rpm and directional signals based on inputs from an EMD Speed Sensor.
On MC controllers, this function block receives its:
- Spd input through an MFIn input.
- DigDir input through either a second MFIn input, a DigIn input, or a DigAn input.
On SC controllers, this function block receives its:
- Spd input through an MFIn input.
- DigDir input through either a second MFIn input or a DigAn input.
See:
About Function Block Connections on page 8 for an overview of this function block’s connections and signals.
EMD_SPD_DIR_D Function Block
Controller Input Requirements for EMD Function Blocks
The following tables list the controller input requirements for the EMD SPD DIR, EMD SPD DIR A, and EMD SPD DIR D function blocks.
Input Connections—MC Controllers
Input Connections—SC Controllers
EMD_SPD_DIR_D Function Block
Inputs
- Function Block Inputs
EMD_SPD_DIR_D Function Block
Outputs
- Function Block Outputs
EMD_SPD_DIR_D Function Block
About Function Block Connections
About Function Block Connections
EMD_SPD_DIR_D Function Block
Status and Fault Logic
- Unlike most other PLUS+1 compliant function blocks, this function block uses non-standard status and fault codes.
- Status Logic
Bit 16 set to 1 identifies a standard Danfoss status or fault code.
- Fault Logic
- Bit 16 set to 1 identifies a standard Danfoss status or fault code.
- A delayed fault is reported if the detected fault condition persists for a specified delay time. A delayed fault cannot be cleared until the fault condition remains undetected for the delay time.
- The function block maintains a latched fault report until the latch releases.
EMD_SPD_DIR_D Function Block
Function Block Parameters
- Enter the top-level page of the EMD_SPD_DIR function block to view and change this function block’s parameters.
- Function Block Parameters
EMD_SPD_DIR_D Function Block
About the Param Input
- Use the Param input to input external parameter values to this function block.
Figure Details
Controller Configurations
Inputs on MC and SC controllers require configuration to work with this function block. See:
- MC Controller Configurations
- SC Controller Configurations
MC Controller Configurations
Input Configurations
Controller Configurations
How to Configure an MFIn for the Spd Input
- In the GUIDE template, enter the Inputs page.
- Enter the MFIn that receives the input signal.
- Make the changes that are shown in the following figure.
How to Configure a DigIn for the DigDir Input
- In the GUIDE template, enter the Inputs page.
- Enter the DigIn page that receives the input signal.
- Make the changes that are shown in the following figure.
Controller Configurations
SC Controller Configurations
- Input Configurations
- The MFIn that you use must be labeled Dig/Ana/Freq.
- † If present.
How to Configure an MFIn for the Spd Input
- In the GUIDE template, enter the Inputs page.
- Enter the MFIn that receives the input signal.
- Make the changes that are shown in the following figure.
Controller Configurations
How to Configure a MFIn for the DigDir Input
- In the GUIDE template, enter the Inputs page.
- Enter the MFIn that receives the input signal.
- Make the changes that are shown in the following figure.
Controller Configurations
How to Configure a DigAn for the DigDir Input
- In the GUIDE template, enter the Inputs page.
- Enter the DigAn that receives the input signal.
Make the changes that are shown in the following figure.
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FAQs
Q: What are the voltage ranges for the Dir In input?
A: The voltage range for Dir In input is 0 to 5,250 (Volt/Voltage U16).
Q: How is RPM calculated by the function block?
A: RPM output is calculated using the Per signal, Count signal, and Puls/Rev parameter value received from the Speed Sensor input.
Documents / Resources
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Danfoss PLUS+1 Compliant EMD Speed Digital Direction Function Block [pdf] User Guide PLUS 1 Compliant EMD Speed Digital Direction Function Block, PLUS 1, Compliant EMD Speed Digital Direction Function Block, EMD Speed Digital Direction Function Block, Direction Function Block, Function Block, Block |