Danfoss VLT Series Programming Manual page 187

Programming
6.5.4.14 MC_ReadDigitalInput_ISD51x
This function block provides the value of the specified
input. It is not guaranteed that pulses shorter than the
fieldbus cycle time on the digital signal can be seen on the
function block.
The output data is available immediately.
MC_ReadDigitalInput_ISD51x
AXIS_REF_- Input
ISD51x
BOOL Enable
INT InputNumber
Illustration 6.37 MC_ReadDigitalInput_ISD51x
Variable Data Default
name type value
VAR_IN_OUT
Input AXIS_REF_ISD51x
VAR_INPUT
Enable BOOL FALSE
InputNumber INT 1
VAR_OUTPUT
Valid BOOL
Busy BOOL
Error BOOL
ErrorInfo DD_ERROR_ISD51x
Value BOOL
Table 6.15 MC_ReadDigitalInput_ISD51x
MG36D102
Programming Guide
Valid BOOL
Busy BOOL
Error BOOL
ErrorInfo DD_ERROR_ISD51x
Value BOOL
Description
Reference to the axis.
See
chapter 6.5.4.1 AXIS_REF_IS
D51x.
Get the value of the
selected input signal
continuously while
enabled.
Selects the input. Value
range: 1;2
The function block has a
valid output.
The function block is not
finished and new output
values are to be expected.
An error has occurred
within the function block.
Error identification and
instance identifier.
See chapter 6.5.2.3 Error
Indication.
The value of the selected
input signal
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6.5.4.15 DD_ReadAnalogInput_ISD51x
This function block reads the value of the analog input.
The output data needs to be read from the device and is
therefore not immediately available.
DD_ReadAnalogInput_ISD51x
AXIS_REF_- Input
ISD51x
BOOL Enable
INT InputNumber
Illustration 6.38 DD_ReadAnalogInput_ISD51x
Variable Data Default
name type value
VAR_IN_OUT
Input AXIS_REF_ISD51x
VAR_INPUT
Enable BOOL FALSE
InputNumber INT 1
VAR_OUTPUT
Valid BOOL
Busy BOOL
Error BOOL
ErrorInfo DD_ERROR_ISD51x
Value REAL
AbortCode DWORD
Table 6.16 DD_ReadAnalogInput_ISD51x
Valid BOOL
Busy BOOL
Error BOOL
ErrorInfo DD_ERROR_ISD51x
AbortCode DWORD
Value REAL
Description
Reference to the axis.
See
chapter 6.5.4.1 AXIS_REF_IS
D51x.
Get the value of the
selected input signal
continuously while
enabled.
Selects the input. Value
range: 1;2
The function block has a
valid output.
The function block is not
finished and new output
values are to be expected.
An error has occurred
within the function block.
Error identification and
instance identifier.
See chapter 6.5.2.3 Error
Indication.
The value of the selected
input signal
SDO abort code if there is
an error. Available in the
list of constants:
SdoAbortCodes.
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