Rockwell Automation 20-COMM-ER 20-COMM-ER Dual-Port EtherNet/IP Communication Adapter User Manual - Manual (Page 187)

Rockwell Automation Publication 20COMM-UM015B-EN-P - July 2013 187
EtherNet/IP Objects Appendix C
Instance Attributes
Attribute ID Access Rule Name Data Type Description
1
(1)
Parameter Value
(2) (3)
2 Get Link Path Size BYTE 0 = No link specified
n = The size of Attribute 3 in bytes
3 Get Link Path
(4)
4 Get Descriptor WORD 0 = False, 1 = True
Bit 1 = Supports ENUMs
Bit 2 = Supports scaling
Bit 3 = Supports scaling links
Bit 4 = Read only
Bit 5 = Monitor
Bit 6 = Extended precision scaling
5 Get Data Type BYTE 1 = WORD (16-bit)
2 = UINT (16-bit)
3 = INT (16-bit)
5 = SINT
6 = DINT
8 = USINT
9 = UDINT
11 = REAL
22 = SHORT_STRING
24 = BYTE
25 = DWORD
6 Get Data Size BYTE
(3)
7 Get Parameter Name String SHORT_STRING (3)
8 Get Units String SHORT_STRING
(3)
9 Get Help String SHORT_STRING Null string
10 Get Minimum Value (2) (3)
11 Get Maximum Value
(2) (3)
12 Get Default Value
(2) (3)
13 Get Scaling Multiplier WORD
(3)
14 Get Scaling Divisor WORD (3)
15 Get Scaling Base WORD
(3)
16 Get Scaling Offset WORD
(3)
17 Get Multiplier Link WORD (3)
18 Get Divisor Link WORD
(3)
19 Get Base Link WORD
(3)
20 Get Offset Link WORD (3)
21 Get Decimal Precision BYTE (3)
(1) Access rule is defined in Bit 4 of instance attribute 4 (0 = Get/Set, 1 = Get).
(2) Specified in descriptor, data type, and data size.
(3) Value varies based on parameter instance.
(4) See the EtherNet/IP specification for a description of the link path.