Allen-Bradley 1769-SM1 User Manual page 135

Compact i/o to dpi/scanport module
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DPI Parameter Object
Instance Attributes
Attribute
Access
Name
ID
Rule
7
Get
DPI Online Read
Full
8
Get
DPI Descriptor
9
Get/Set DPI Parameter
Value
10
Get/Set DPI RAM
Parameter Value
11
Get/Set DPI Link
12
Get
Help Object
Instance
13
Get
DPI Read Basic STRUCT of:
14
Get
DPI Parameter
Name
15
Get
DPI Parameter
Alias
16
Get
Parameter
Processing Error
(1)
A CONTAINER is a 32-bit block of data that contains the data type used by a parameter value. If signed, the value
is sign extended. Padding is used in the CONTAINER to ensure that it is always 32-bits.
(2)
This value is used in the formulas used to convert the parameter value between display units and internal units.
Refer to
Formulas for Converting on page
(3)
Do NOT continually write parameter data to NVS. Refer to the attention on
(Continued)
Data Type
Description
STRUCT of:
BOOL[32]
Descriptor (Refer to pages
(1)
CONTAINER
Parameter value
CONTAINER
Minimum value
CONTAINER
Maximum value
CONTAINER
Default value
WORD
Next parameter
WORD
Previous parameter
STRING[4]
Units (e.g., Amp, Hz)
UINT
Multiplier
UINT
Divisor
UINT
Base
INT
Offset
BYTE[3]
Link (source of the value) (0 = no link)
BYTE
Always zero (0)
STRING[16]
Parameter name
BOOL[32]
Descriptor (Refer to pages
Various
Parameter value in NVS.
Various
Parameter value in temporary memory.
BYTE[3]
Link (parameter or function block that is
the source of the value) (0 = no link)
WORD
ID for help text for this parameter
BOOL[32]
Descriptor (Refer to pages
CONTAINER
Parameter value
CONTAINER
Minimum value
CONTAINER
Maximum value
CONTAINER
Default value
STRING[16]
Parameter name
STRING[4]
Units (e.g., Amp, Hz)
STRING[16]
Parameter name
STRING[16]
Customer supplied parameter name. Only
supported by PowerFlex 700S at time of
publication.
BYTE
0 = No error
1 = Value is less than the minimum
2 = Value is greater than the maximum
C-11.
CIP/DPI Objects
C-10
(2)
(2)
(2)
(2)
C-10
(3)
C-10
page
5-10.
C-9
– C-11)
– C-11)
– C-11)

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