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H1 EDC Angle Sensor
Operating guide
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Danfoss H1 EDC Angle Sensor Operating guide

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User Manual
PLUS+1® Compliant
H1 EDC Angle Sensor Function Block
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User Manual
Revision history Table of revisions
Date Changed Rev
September 2021 Resolved isses with status and fault signals 0204
March 2020 Changed document number from 'AQ00000218' to 'AQ220986485489' 0203
December 2018 NV_Cal_Min, NV_Cal_Mid, and NV_Cal_Max for displacement 0202
February 2017 First edition 0201
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User Manual

Contents

H1 EDC Angle Sensor Function Block
Inputs....................................................................................................................................................................................................4
Outputs................................................................................................................................................................................................ 5
Diagnostic Signals............................................................................................................................................................................6
[Remove this section] Function Block Connections.............................................................................................................6
Status Logic........................................................................................................................................................................................ 7
Fault Logic...........................................................................................................................................................................................7
Parameter Values..............................................................................................................................................................................8
Relationship of Input to Output Signals...................................................................................................................................9
[Remove this section] Para Input..............................................................................................................................................11
xxx Unmodified H1_EDC_Ang_Snsr Function Block................................................................................................... 11
xxx Modified H1_EDC_Ang_Snsr Function Block......................................................................................................... 12
Identical Function Blocks Need Different Namespace Values to Successfully Compile...................................... 12
Change Namespace Value.....................................................................................................................................................13
MC Controller Configurations................................................................................................................................................... 14
Configure MFIn for SIG Input................................................................................................................................................14
Configure DigAn for SIG Input.............................................................................................................................................15
Configure AnIn for SIG input................................................................................................................................................ 15
SC Controller Configurations.....................................................................................................................................................16
Configure MFIn for SIG input................................................................................................................................................16
Configure DigAn for SIG input.............................................................................................................................................17
Pre-Made Service Screens...........................................................................................................................................................18
H1 EDC Angle Sensor Screen................................................................................................................................................18
H1 EDC Angle Sensor Calibration Screen ........................................................................................................................20
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User Manual

H1 EDC Angle Sensor Function Block

The H1_EDC_Ang_Snsr function block monitors the angle sensor output from an H1 EDC Angle Sensor installed in an H1 EDC pump.
The output of this function block provides your application with the pump's:
Swash plate angle position in percent.
•
Direction of pump flow.
•
See:
Function Block Connections for more about this function block's connections and signals.
•
Identical Function Blocks Need Different Namespace Values to Successfully Compile if you are using more
•
than one of these function blocks in your application.

Inputs

The following section describes input signals to the H1 EDC Angle Sensor function block.
This function block ships with its NV_Cal_Min, and NV_Cal_Max values set at 0.
Item Type Range Description [Unit] Para Bus —— Input for external parameter values.
See Para Input for more information.
Cal Task U8 0–5 Controls the function block's calibration process:
•
0 = Disable calibration.
•
1 = Calibrate the percentage of Snsr Pwr that the SIG1 input must reach for the pump to output its minimum displacement. Store this percentage as the NV_Cal_Min value.
For example, if the pump outputs its maximum reverse displacement with SIG1 input at 1000 mV and a Snsr Pwr of 5000 mV, then the function block stores an NV_Cal_Min value of 2000 (20.00%).
•
2 = Calibrate the percentage of Snsr Pwr that the SIG1 input must reach for the pump to output its maximum displacement. Store this percentage as the NV_Cal_Max value.
For example, if the pump outputs its maximum forward displacement with SIG1 input at 4000 mV and a Snsr Pwr of 5000 mV, then the function block stores an NV_Cal_Max value of 5000 (50.00%).
•
3 = Set NV_Cal_Min and NV_Cal_Max to their default values.
•
4 = Clear calibration values.
Snsr Pwr Bus —— Voltage supplied to the swash plate angle sensor.
The function block uses the Snsr Pwr and SIG1 signals and the NV_Cal_Min and NV_Cal_Max values to make a ratiometric calculation of the swash plate angle sensor's position and its faults. The function block receives this value through either a Volt signal or a Voltage signal:
•
On Legacy MC controllers, the value inputs through the Volt signal.
•
On SC and Non-Legacy MC controllers, the value inputs through the Voltage signal.
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Item Type Range Description [Unit]
U16 4750–5250 Voltage supplied to the swash plate angle sensor.
Volt
Voltage
SIG1 Bus —— Signal from the swash plate angle sensor that indicates, through voltage, the position of the pump
Voltage U16 0-5250 Voltage read from the swash plate angle sensor
SIG2 Bus —— Signal from the swash plate angle sensor that indicates, through voltage, the position of the pump
Voltage U16 0-5250 Voltage read from the swash plate angle sensor
U16 4750–5250 Voltage supplied to the swash plate angle sensor.
Volt U16 0-5250 Voltage read from the swash plate angle sensor.
Volt U16 0-5250 Voltage read from the swash plate angle sensor.
[mV]
[mV]
swash plate. The function block uses the Snsr Pwr, SIG1, and SIG2 signals and the NV_Cal_Min and NV_Cal_Max values to make a ratiometric calculation of the swash plate angle sensor's position and its faults. The function block receives this value through either a Volt signal or a Voltage signal:
•
On Legacy MC controllers, the value inputs through the Volt signal.
•
On SC and Non-Legacy MC controllers, the value inputs through the Voltage signal.
[mV]
[mV]
swash plate. The function block uses the Snsr Pwr, SIG1, and SIG2 signals and to make a ratiometric calculation of the swash plate angle sensor's position and its faults. The function block receives this value through either a Volt signal or a Voltage signal:
•
On Legacy MC controllers, the value inputs through the Volt signal.
•
On SC and Non-Legacy MC controllers, the value inputs through the Voltage signal.
[mV]
[mV]

Outputs

This section describes output signals of the H1 EDC Angle Sensor function block.
Item Type Range Description [Unit] Status U16 —— Reports the status of the function block.
0x0000: Status is OK. 0x0001: Cal_Min value is not calibrated. 0x0002: Cal_Mid value is not calibrated. 0x0004: Cal_Max value is not calibrated. 0x0008: Invalid setup or a parameter is out of range.
Fault U16 —— Reports the faults of the function block.
0x0000 = No fault. 0x8001 = SIG1 input is too low. 0x8002 = SIG1 input is too high. 0x8004 = SIG1 input is at Sensor Power. 0x8008 = SIG1 input is at Ground. 0x8010 = An input is out of range. 0x8040 = Redundant signal indicates error.
Pct U16 0–10,000 Swash plate angle as a percentage.
•
0 = Minimum swash plate angle.
•
10000 = Maximum swash plate angle. [0.01%]
Displ Diag Bus —— Contains input, parameter, diagnostic, and output signals.
U16 0–300 Pump displacement based on measured angle.
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H1 EDC Angle Sensor Function Block

Diagnostic Signals

Entering the Checkpoints page on the second level of the function block provides access to the function block’s diagnostic signals.
It contains checkpoints on input, output and internal signals. Only the internal signals are explained here. Input and output signals are described in other chapters.
Item Type Range Description Input_Ratio U16 0-10,000 The ratiometric calculation value of the SIG1 voltage as a percentage of Snsr Pwr.
StatExp U16 0x00-0x7F Status Expanded: Bitwise signal where each bit corresponds to a parameter that is invalid.
T = Parameter invalid.
•
F = Parameter OK.
•
Bit0: Cal_Task Bit1: NV_Cal_Max Bit2: NV_Cal_Min Bit3: FltDetectTm Bit4: Dband Bit5: Min_Displ Bit6: Max_Displ

[Remove this section] Function Block Connections

Item Description 1 Input for external parameter values.
2
3 Voltage supplied to the swash plate angle sensor. 4 Signal from the swash plate angle sensor that indicates, through voltage, the position of the pump swash plate. 5 Diagnostic signals of the function block. 6 Reports the status of the function block. 7 Reports the faults of the function block. 8 Swash plate direction indicator. 9 Swash plate sensor angle as a percentage.
0 = Disable calibration.
•
1 = Calibrate the percentage of Snsr Pwr that the SIG1 input must reach for the pump to output its maximum forward displacement. Store
•
this percentage as the NV_Cal_Max value. 2 = Calibrate the percentage of Snsr Pwr that the SIG1 input must reach for the pump to output its maximum reverse displacement. Store
•
this percentage as the NV_Cal_Min value. 3 = Calibrate the percentage of Snsr Pwr that the SIG1 input must reach for the pump to output its neutral displacement. Store this
•
percentage as the NV_Cal_Mid value. 4 = Set NV_Cal_Min, NV_Cal_Mid and NV_Cal_Max to their default values.
•
5 = Clear calibration values.
•
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H1 EDC Angle Sensor Function Block

Status Logic

This topic describes how the function block indicates status.
Status Hex
Status is OK. 0x0000 0000 Not applicable. Correction not necessary.
Cal_Min value is not calibrated. 0x0001 0001 Cal_Mid value is not calibrated.
Cal_Max value is not calibrated. 0x0004 0100 Calibrate the Cal_Max value.
Invalid setup or a parameter is out of range.
0x0002 0010 Calibrate the Cal_Mid value.
0x0008 1000 Correct the setup; return parameter values
Binary Response Correction
Pct output = 0.
•
Displ output = Min_Displ.
•
Calibrate the Cal_Min value.
to within their valid ranges.

Fault Logic

This topic describes how the function block indicates fault logic.
Fault Hex Binary Response Correction
No fault. 0x0000 00000000 Not applicable. Not applicable.
SIG1 input is too low. 0x8001 00000001 SIG1 input is too high. 0x8002 00000010 SIG1 input equals Snsr Pwr input. 0x8004 SIG1 input is at ground. 0x8008 00001000
An input signal is out of range. 0x8010 00010000 Redundant signal indicates error. 0x8040 01000000
00000100
•
Pct output = 0.
•
Displ output = Min_Displ .
Repair the hardware fault.
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H1 EDC Angle Sensor Function Block

Parameter Values

As needed, enter the H1_EDC_Ang_Snsr function block to change its parameter values.
Item Type Range Description FltDetectTm U16 0–10000 Sets the time before the function block:
•
Reports a fault that it has detected.
•
Stops reporting a fault that has been cleared.
1000 = 1000 ms.
Dband U16 0–5000 Deadband applied to NV_Cal_Min and NV_Cal_Max value before scaling the SIG1 input to the Pct
output. 5000 = 50.00%
Min_Displ U16 0–300 Minimum pump displacement. Max_Displ U16 0–300 Maximum pump displacement.
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H1 EDC Angle Sensor Function Block

Relationship of Input to Output Signals

Without a Deadband value
Figure details
Item Description
1. The NV_Cal_Min value sets the percentage of Snsr Pwr at which the SIG1 input to the function block produces minimum Pct output. In this
example:
•
The Snsr Pwr is 5000 mV.
•
The NV_Cal_Min value is 8000 (80.00%). (80% of 5000 mV is 4000 mV).
•
A 4000 mV SIG1 input to the function block produces minimum Pct output.
2. The NV_Cal_Max value sets the percentage of Snsr Pwr at which the SIG1 input to the function block maximum Pct output. In this example:
•
TheSnsr Pwr is 5000 mV.
•
The NV_Cal_Maxvalue is 5000 (50.00%). (50% of 5000 mV is 2500 mV).
A 2500 mV SIG1 input to the function block produces maximum Pct output.
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H1 EDC Angle Sensor Function Block
With a Deadband value
Figure details
Item Description
1. The Dband value sets the width of an upper deadband that extends above the SIG1 input that produces the maximum output. The function block calculates this deadband as a percentage of the difference between the SIG1 input voltage that produces minimum Pct output and the SIG1 input voltage that produces maximum Pct output. In this example, with Snsr Pwr at 5000 mV:
•
The Dband is 2000 (20.00%).
•
The difference between the threshold SIG1 and the maximum SIG1 voltages is 1500 mV (4000-2500 = 1500).
•
The lower deadband is 300 mV wide. (20.00% of 1500 mV is 300 mV.)
2.
The Dband value sets the width of a lower deadband that extends below the SIG1 input that produces the minimum pump output. The function block calculates this deadband as a percentage of the difference between the SIG1 input voltage that produces minimum Pct output and the SIG1 input voltage that produces maximum Pct output. In this example, with Snsr Pwr at 5000 mV:
•
The Dband is 2000 (20.50%).
•
The difference between the threshold SIG1 and the maximum SIG1 voltages is 1500 mV (4000-2500 = 1500).
•
The deadband is 300 mV wide. (20.00% of 1500 mV is 300 mV.)
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H1 EDC Angle Sensor Function Block

[Remove this section] Para Input

Use the Para input to input parameter values to this function block from an external source.

xxx Unmodified H1_EDC_Ang_Snsr Function Block

The following figure shows the inner page of an unmodified H1_EDC_Ang_Snsr function block. The FltDetectTm and the Dband values are both inside this page.
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H1 EDC Angle Sensor Function Block

xxx Modified H1_EDC_Ang_Snsr Function Block

The following figure shows the inner page of an H1_EDC_Ang_Snsr function block after modification. The Para input now routes the FltDetectTm and Dband values into the page. These values originate
from outside the function block.

Identical Function Blocks Need Different Namespace Values to Successfully Compile

If you use the same function block more than once in an application, you must change each function block’s namespace value to avoid compiler errors.
All function blocks contain Advanced Checkpoint with Namespace components that enable the PLUS+1 Service Tool to read block input and output values.
Some function blocks contain non-volatile memory components that store function block operating parameters.
Both these components use memory names (“aliases”) to allocate memory. Identical memory names cause compiler errors.
The namespace value adds a unique prefix to each component name to avoid errors. Keep each namespace value short to save controller memory.
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H1 EDC Angle Sensor Function Block

Change Namespace Value

To successfully compile your application, change the namespace value for function blocks that are used more than once in an application.
1. In the PLUS+1® GUIDE menu bar, click the Query/Change button.
2. Click on the function block whose namespace you want to set to a unique value. The Edit Page window opens.
3. In the Edit Page window, enter a meaningful Namespace value.
Namespace values are case-sensitive.
•
To save controller memory, use a short namespace value.
•
4. Press Enter.
5. Repeat these steps to enter unique namespace values for other identical function blocks.
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H1 EDC Angle Sensor Function Block

MC Controller Configurations

This function block receives its SIG1 signals through the controller's inputs. The following table identifies the controller inputs that you must modify to input these signals.
Function Block Input
SIG1 MFIn Delete the:
Compatible Controller Input Type
DigAn Delete the:
AnIn Delete the PinConfig route.
Controller Input Configuration Action
•
PinConfig0 route.
•
PinConfig1 route.
•
PinConfig0 route.
•
PinConfig1 route.

Configure MFIn for SIG Input

1. In the PLUS+1® GUIDE template, enter the Inputs page.
2. Enter the MFIn that receives the input signal.
3. Make the changes that are shown in the following figure.
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Configure DigAn for SIG Input

1. In the PLUS+1® GUIDE template, enter the Inputs page.
2. Enter the DigAn page that receives the input signal.
3. Make the changes that are shown in the following figure.

Configure AnIn for SIG input

1. In the PLUS+1® GUIDE template, enter the Inputs page.
2. Enter the AnIn that receives the input signal.
3. Make the changes that are shown in the following figure.
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H1 EDC Angle Sensor Function Block

SC Controller Configurations

This function block receives its SIG1 signals through the controller's inputs. The following table identifies the controller inputs that you must modify to input these signals.
Function Block Input
SIG1 MFIn Delete the:

Configure MFIn for SIG input

1. In the PLUS+1® GUIDE template, enter the Inputs page.
2. Enter the MFIn that receives the input signal.
Compatible Controller Input Type
DigAn Delete the:
Controller Input Configuration Action
Bias route.
•
Range route.
•
InputMode route.
•
Bias route.
•
Range route.
•
3. Make the changes that are shown in the following figure.
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H1 EDC Angle Sensor Function Block

Configure DigAn for SIG input

1. In the PLUS+1® GUIDE template, enter the Inputs page.
2. Enter the DigAn that receives the input signal.
3. Make the changes that are shown in the following figure.
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H1 EDC Angle Sensor Function Block

Pre-Made Service Screens

Pre-made service screens provide overviews of the H1_EDC_Ang_Snsr function block.

H1 EDC Angle Sensor Screen

This screen gives an overview of the H1_EDC_Ang_Snsr function block. The green check mark next to the parameters indicates whether the associated parameter is within its
defined range. If the parameter is out of range a red X is displayed. If any parameter has an error, Status displays the Parameter OOR (Out of Range) as an active fault.
Item Units Description Input Signal (Input) mV Signal from the swash plate angle sensor that indicates, through voltage, the position of the pump swash plate.
Sensor Supply (Input) mV Voltage supplied to the swash plate angle sensor. Input Signal Ratio
(Diagnostic) Fault Detect Time
(Parameter)
% Input Signal reported as a percentage of Sensor Supply.
ms Sets the time before the function block reports a fault that it has detected, and stops reporting a fault that has
been cleared.
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Item Units Description Cal Task (Parameter) % Controls the function block’s calibration process:
0 = Disable calibration. 1 = Calibrate the percentage of Snsr Pwr that the SIG1 input must reach for the pump to output its
2 = Calibrate the percentage of Snsr Pwr that the SIG1 input must reach for the pump to output its
3 = Calibrate the percentage of Snsr Pwr that the SIG1 input must reach for the pump to output its
4 = Set NV_Cal_Min, NV_Cal_Mid, and NV_Cal_Max to their default values. 5 = Clear calibration values.
Cal Min (Parameter) % Reports the EEPROM value for Cal_Min. Cal Mid (Parameter) % Reports the EEPROM value for Cal_Mid. Cal Max (Parameter) % Reports the EEPROM value for Cal_Max. Angle Percent (Output) % Swash plate angle as a percentage.
-100.00 = Maximum reverse swash plate angle. 0 = Neutral swash plate angle.
100.00 = Maximum Forward swash plate angle.
Direction (Output) -- Swash plate direction indicator.
-1 = Reverse 0 = Neutral 1 = Forward
Status (Output) -- Reports the status of the function block. Fault (Output) -- Reports the faults of the function block. Input and Parameter Faults -- Lists the active faults reported by the block.
maximum forward displacement. Store this percentage as the NV_Cal_Max value. For example, if the pump outputs its maximum displacement with SIG1 input at 4000 mV and a Snsr Pwr of 5000 mV, then the function block stores an NV_Cal_Max value of 8000 (80.00%).
maximum reverse displacement. Store this percentage as the NV_Cal_Min value. For example, if the pump outputs its maximum displacement with SIG1 input at 1000 mV and a Snsr Pwr of 5000 mV, then the function block stores an NV_Cal_Min value of 2000 (20.00%).
neutral displacement. Store this percentage as the NV_Cal_Mid value. For example, if the pump outputs its maximum displacement with SIG1 input at 2500 mV and a Snsr Pwr of 5000 mV, then the function block stores an NV_Cal_Min value of 5000 (50.00%).
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H1 EDC Angle Sensor Function Block

H1 EDC Angle Sensor Calibration Screen

This screen gives an overview of the H1 EDC Angle Sensor function block calibration procedure. The green check mark next to the parameters indicates whether the associated parameter is with its
defined range. If the parameter is out of range a red X will be displayed. If any parameter has an error Status will display the Parameter OOR (Out of Range) as an active fault.
Screen item description
Item Units Description Input Signal Ratio
(Diagnostic) Cal Task (Parameter) % Controls the function block’s calibration process:
Cal Min (Parameter) % Reports the EEPROM value for Cal_Min. Cal Mid (Parameter) % Reports the EEPROM value for Cal_Mid. Cal Max (Parameter) % Reports the EEPROM value for Cal_Max. Cal Rev Max Db (Parameter) % Deadband adjustment applied to Cal_Min before scaling input to output.
% Input Signal reported as a percentage of Sensor Supply.
0= Disable calibration. 1=
2=
3=
4= Set NV_Cal_Min, NV_Cal_Mid, and NV_Cal_Max to their default values. 5= Clear calibration values.
Calibrate the percentage of Snsr Pwr that the SIG1 input must reach for the pump to output its maximum forward displacement. Store this percentage as the NV_Cal_Max value. For example, if the pump outputs its maximum displacement with SIG1 input at 4000 mV and a Snsr Pwr of 5000 mV, then the function block stores an NV_Cal_Max value of 8000 (80.00%).
Calibrate the percentage of Snsr Pwr that the SIG1 input must reach for the pump to output its maximum reverse displacement. Store this percentage as the NV_Cal_Min value. For example, if the pump outputs its maximum displacement with SIG1 input at 1000 mV and a Snsr Pwr of 5000 mV, then the function block stores an NV_Cal_Min value of 2000 (20.00%).
Calibrate the percentage of Snsr Pwr that the SIG1 input must reach for the pump to output its neutral displacement. Store this percentage as the NV_Cal_Mid value. For example, if the pump outputs its maximum displacement with SIG1 input at 2500 mV and a Snsr Pwr of 5000 mV, then the function block stores an NV_Cal_Min value of 5000 (50.00%).
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Screen item description (continued)
Item Units Description Cal Rev Min Db (Parameter) % Deadband adjustment applied to Cal_Mid in the reverse direction before scaling input to output.
Cal Fwd Min Db (Parameter) % Deadband adjustment applied to Cal_Mid in the forward direction before scaling input to output. Cal Fwd Max Db (Parameter) % Deadband adjustment applied to Cal_Max before scaling input to output. Angle Percent (Output) % Swash plate angle as a percentage.
-100.00= Maximum reverse swash plate angle. 0= Neutral swash plate angle.
100.00= Maximum Forward swash plate angle.
Direction (Output) -- Swash plate direction indicator.
-1= Reverse 0= Neutral 1= Forward
Status (Output) -- Reports the status of the function block. See Status Logic on page 7 for more information. Fault (Output) -- Reports the faults of the function block. See Status Logic on page 7 for more information.
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