Rockwell Automation 1203-CN1 ControlNet Communications Module 1203-CN1 - 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.