EtherNet/IP Driver Manual
Page 17 of 42
6.3.4 Driver Related Map Descriptor Param eters
– PCCC
Column Title
Function
Legal Values
EIP_Con_Typ The type of data transfer required.
Explicit
EIP_Service
Action to be performed.
EXEC_PCCC
(encapsulation using Allen
Bradley PCCC)
File_Type
Allen Bradley file type.
N Integer
F Float
O Output
B Boolean
I Input
S Status
File_Number
Allen Bradley file number.
Any valid numerical value
Length
Number of data elements to be mapped. If the number of
data elements exceeds the Map Descriptor length, the list
of data elements will be truncated and an error message
will be printed once per Map Descriptor. Refer to
Appendix D
for further information.
For any given Map
Descriptor there can be
61 floats, 122 integers or
244 bytes
Address
Address in the file.
Any valid numerical value
between 0 to 255
6.3.5 Server Specific Map Descriptor Param eters
– Implicit IO Messages
Column Title
Function
Legal Values
EIP_Con_Typ
The type of data transfer required. Also referred to as
the “Transport Method”.
Implicit
EIP_Class
Class to be served.
Integer value
(in most cases it will be the
assembly class i.e. 4)
EIP_Attribute
Attribute associated with the class served.
Integer value. In most cases it
will be data attribute 3. Refer
to
Appendix D.2
for legal
attribute values
Length
Number of data elements to be mapped.
1 to Data Array length
Address
Production or Consumption connection point address. Any integer number
Содержание FS-8704-14
Страница 31: ...EtherNet IP Driver Manual Page 31 of 42 ...
Страница 32: ...EtherNet IP Driver Manual Page 32 of 42 ...
