Instance attributes, Descriptor attribute, C-21 – Rockwell Automation 1203-EN1 EtherNet/IP-to-SCANport Module User Manual

Page 131: Scanport parameter object, Instance attributes descriptor attribute, Continued)

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EtherNet/IP Objects

C-21

Instance Attributes

Descriptor Attribute

SCANport Parameter Object

(Continued)

Attribute
ID

Access
Rule

Name

Data Type

Description

0

Get

Read Full

STRUCT of:

UINT
BOOL[16]
UINT
UINT
UINT
UINT
STRING[16]
UINT
UINT
UINT
UINT
STRING[4]

Parameter value
Descriptor (see below)
Multiplier

(1)

Divisor

(1)

Base

(1)

Offset

(1)

Parameter name
File/Group/Element cross-reference
Minimum value
Maximum value
Default value
Units (e.g., Amp, Hz)

1

Get/Set Parameter Value

UINT

Parameter value in NVS.

(2)

128

Get

Descriptor

BOOL[16]

Descriptor (see below)

130

Get

DPI Parameter Name STRING[16]

Parameter name

(1)

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

C-22

.

(2)

Do NOT continually write parameter data to NVS. Refer to the attention on page

6-1

.

Bit

Name

Description

0

Data Type (Bit 1)

Right bit is least significant bit (0).
000 = BYTE used as an array of Boolean
001 = WORD used as an array of Boolean
010 = BYTE (8-bit integer)
011 = WORD (16-bit integer)
100 = DWORD (32-bit integer)
101 = TCHAR (8-bit (not unicode) or 16-bits (unicode)
110 = REAL (32-bit floating point value)
111 = Reserved

1

Data Type (Bit 2)

2

Data Type (Bit 3)

3

Sign Type

0 = unsigned
1 = signed

4

Hidden

0 = visible
1 = hidden

5

Not a Link Sink

0 = Parameter can sink a link
1 = Parameter cannot sink a link

6

Not Recallable

0 = Recallable from NVS
1 = Not Recallable from NVS

7

ENUM

0 = No ENUM text
1 = ENUM text

8

Writable

0 = Read only
1 = Read/write

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