Instance attributes – Rockwell Automation 1203-CN1 ControlNet Communications Module 1203-CN1 User Manual
Page 100

Publication 1203-5.13 – February, 2002
D-14
ControlNet Objects: Class Code 0x0F — Parameter Object
Instance Attributes
Attribute ID
Access Rule
Stub/Full
Name
Data Type
Description
1
➀
Stub
Parameter Value
Specified in
Descriptor,
Data Type and
Data Size
attributes.
Actual value of parameter. Data type
specified in descriptor, data type, and
data size.
➀
➁
2
Set
Stub
Link Path Size
USINT
Size of Link Path attribute. If this
attribute is 0, then no link is specified.
Number of BYTEs in attribute 3.
3
Set
Stub
Link Path
ARRAY of path
segments
Path to the object from where this
parameter value is retrieved.
The link path is limited to 255 BYTEs.
Segment type/port
BYTE
Segment Address
Path (format
depends on
data con-
tained in seg-
ment type/
port)
4
Get
Stub
Descriptor
WORD
Descriptor of parameter. Refer to the
table on page D-15.
5
Get
Stub
Data Type
USINT
Data type code. Refer to the table on
page D-16.
6
Get
Stub
Data Size
USINT
Number of BYTEs in attribute 1,
Parameter Value.
7
Get
Full
Parameter Name
String
SHORT_
STRING
A human readable string representing
the parameter name. For example,
“frequency #1.”
The maximum number of characters is
16. (The first byte is a length code.)
8
Get
Full
Units String
SHORT_
STRING
Engineering unit string.
The maximum number of characters is
4. (The first byte is a length code.)
9
Get
Full
Help String
SHORT_
STRING
Help string.
The maximum number of characters is
64. (The first byte is a length code.)
10
Get
Full
Minimum Value
Same as
attribute 1
The minimum valid actual value to
which attribute 1, Parameter Value can
be set.
11
Get
Full
Maximum Value
Same as
attribute 1
The maximum valid actual value to
which attribute 1, Parameter Value can
be set.
12
Get
Full
Default Value
Same as
attribute 1
The actual value attribute 1, Parameter
Value should be set to when the user
wants the default for the parameter.
13
Get
Full
Scaling Multiplier
UINT
Multiplier for scaling formula.
14
Get
Full
Scaling Divisor
UINT
Divisor for scaling formula.
15
Get
Full
Scaling Base
UINT
Base for scaling formula.