FS-8700-22_X30_DeviceNet_Slave Manual

Page 8 of 12

4.4.Server Side Map Descriptors

4.4.1.FieldServer Specific Map Descriptor Parameters

Column Title

 

Function

 

 

 

Legal Values

Map_Descriptor_Name

Name of this Map Descriptor

 

Up

to 32

alphanumeric

 

characters

 

 

 

 

 

 

 

 

Name of Data Array where

 

One of the Data Array names

Data_Array_Name

data is to be stored in the

 

from

“Data

Array” section

 

FieldServer

 

 

above

 

Data_Array_Offset

Starting

location in

Data

 

0 to

maximum specified in

Array

 

 

 

“Data Array” section above

 

 

 

 

 

 

 

 

 

RDBC -Reads data from the

Function

Function

of Server

Map

 

local input buffer

Descriptor

 

 

WRBC -Writes data to the

 

 

 

 

 

 

 

 

local output buffer

Scan_Interval

Buffers Update Period

 

> 0.001s

 

4.4.2.Driver Specific Map Descriptor Parameters

Column Title

Function

 

Legal Values

 

 

 

One of the node names

Node_Name

Name of Node

 

specified in “Server Node

 

 

 

Descriptor” above

DeviceNet_Data_Type

Data Type of local buffer

 

BYTE, WORD, DWORD,

 

FLOAT, BOOL

 

 

 

Address

Byte offset into local buffer

RDBC: 0 – 511

WRBC: 0 – 511

 

 

 

 

 

 

BYTE: 1 – 512

 

Number

of

WORD: 1 – 256

Length

DeviceNet_Data_Type

 

DWORD: 1 – 128

 

items in local buffer

 

FLOAT: 1 –128

 

 

 

BOOL: 1 – 4096

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FieldServer FS-8700-22 X30 instruction manual Driver Specific Map Descriptor Parameters, BYTE, WORD, Dword, FLOAT, Bool