EtherNet/IP Driver Manual
Page 15 of 42
6.3
Server Side Map Descriptor
6.3.1 FieldServer Specific Map Descriptor Param eters
Column Title
Function
Legal Values
Map_Descriptor_Name Name of this Map Descriptor.
Up to 32 alphanumeric
characters
Data_Array_Name
Name of Data Array where data is to be stored
in the FieldServer.
One of the Data Array
names from
Section
4
Data_Array_Offset
Starting location in Data Array.
0 to (Data_Array_Length -
1) as specified in
Section
4
Function
Function of Server Map Descriptor.
Passive
Server_Hold_Timeout*
Specifies the length of time that the
FieldServer will reserve the Server side
connection while waiting for the Client side to
update data in Data Array (if necessary).
>1.0s
6.3.2 Server Specific Map Descriptor Param eters
– Unconnected Messages
Column Title
Function
Legal Values
EIP_Service
The action to be performed.
Get_Attrib, Set_Attrib
EIP_Class
Class to be served.
0-65535, default 0 (refer to
Appendix D.2
for commonly
used classes)
EIP_Attribute
Attribute associated with the class served.
0-255, default 0 (refer to
Appendix D.2
for commonly
used attributes)
EIP_Data_Type
This parameter should be used to force the data
type of the attribute to match the data type used in
the remote device.
Value Alias (as used in PLC)
Float REAL
Uint32 DINT
Uint16 INT
BYTE SINT
default INT
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 200 floats, 400
integers or 800 bytes
Address
Instance of the class to be served.
0-65535, default 0
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