Class attributes – Rockwell Automation 20-COMM-ER 20-COMM-ER Dual-Port EtherNet/IP Communication Adapter User Manual User Manual
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Rockwell Automation Publication 20COMM-UM015B-EN-P - July 2013
Appendix C EtherNet/IP Objects
Class Attributes
Attribute ID
Access Rule
Name
Data Type
Description
1
Get
Class Revision
WORD
Revision of object
2
Get
Number of Instances
WORD
Number of timers in the object, excluding the real-time
clock that is predefined.
3
Get
First Device Specific Timer
WORD
Instance of the first timer that is not predefined.
4
Set
Time Command Write
BYTE
0 = No Operation
1 = Clear all timers (Does not clear the real-time clock or
read only timers)
5
Get
Number of Supported Time Zones
WORD
Number of time zones described in the Time Zone List
attribute.
6
Get
Time Zone List
STRUCT
Identifies a time zone.
7
Get/Set
Active Time Zone ID
WORD
The ID field of the Time Zone List structure for the desired
time zone.
8
Get
Active Time Zone Data
STRUCT of:
INT
BYTE
BYTE
BYTE
BYTE
BYTE
BYTE
INT
BYTE
BYTE
BYTE
BYTE
BYTE
BYTE
Standard bias
Standard month
Standard day of week
Standard week
Standard hour
Standard minute
Standard second
Daylight offset
Daylight month
Daylight day of week
Daylight week
Daylight hour
Daylight minute
Daylight second
9
Get/Set
Custom Time Zone Data
STRUCT of:
INT
BYTE
BYTE
BYTE
BYTE
BYTE
BYTE
INT
BYTE
BYTE
BYTE
BYTE
BYTE
BYTE
Standard bias
Standard month
Standard day of week
Standard week
Standard hour
Standard minute
Standard second
Daylight offset
Daylight month
Daylight day of week
Daylight week
Daylight hour
Daylight minute
Daylight second