Formulas for converting, Common services, Object specific services – Rockwell Automation 20G PowerFlex 755 Drive Embedded EtherNet/IP Adapter User Manual
Page 167
Rockwell Automation Publication 750COM-UM001E-EN-P - October 2013
167
EtherNet/IP Objects
Appendix C
Formulas for Converting
Display Value = ((Internal Value + Offset) x Multiplier x Base) / (Divisor x 10
Decimal Places
))
Internal Value = ((Display Value x Divisor x 10
Decimal Places
) / (Multiplier x Base)) - Offset
Common Services
Object Specific Services
The table below lists the parameters for the Get_Attributes_Scattered and
Set_Attributes_Scattered object-specific service:
The response data appears in the following format:
28
Current Value Is Default
This bit identifies a parameter that will not change if a ‘Reset Defaults’ is commanded. For example, if a drive
contains a Language parameter that is set to German, setting defaults will leave the parameter set to German.
Likewise, if the parameter is set to French, setting defaults will leave the parameter set to French.
29
Use Zero Text
If the ‘Disallow Zero’ bit is set, this bit must be cleared. If the ‘Disallow Zero’ bit is cleared, then:
0 = Use Disabled Text parameter class attribute.
1 = Use Zero Text parameter instance attribute.
30-31 Reserved
Reserved
Bit
Name
Description
Service Code
Implemented for:
Service Name
Class
Instance
0x0E
Yes
Yes
Get_Attribute_Single
0x10
Yes
Yes
Set_Attribute_Single
Service Code
Implemented for:
Service Name
Allocation Size (in bytes)
Class
Instance
Par. Number
Par. Value
0x4D
Yes
No
Get_Attributes_Scattered
4
4
0x4E
Yes
No
Set_Attributes_Scattered
4
4
Name
Data Type
Description
Parameter Number
UDINT
Parameter to read or write
Parameter Value
UDINT
Parameter value write (zero when reading)
Name
Data Type
Description
Parameter Number
UDINT
Parameter read or write
(1)
(1) If an error occurred, bit 15 will be turned on in the response.
Parameter Value
UDINT
Parameter value read (zero when writing)
(2)
(2) If an error occurred, the error code will appear instead of the value.