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FS-8700-01 Modbus RTU/ASCIIFS-8700-01_Modbus_RTU.doc Driver Manual Page 13 of 21

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6.3 Server Side Map Descriptor Parameters

6.3.1 FieldServer Specific Map Descriptor Parameters

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

6.3.2 Driver Specific Map Descriptor Parameters

Column Title

Function

Legal Values

Node_Name

The name of the Node

being represented.

One of the Node names specified in Section 6.2

Data_Type

Specify memory area

Address_Type = ADU

Coil, Discrete_Input, Input_Register, Holding_Register,

Single_Coil, Single_Register, Slave_ID

Address_Type = PDU

FC01, FC02, FC03, FC04,

FC05, FC06, FC15, FC16

Address_Type = Modicon_5digit

- (Dash), Single_Register, Single_Coil

Length*

Length of Map Descriptor

1-10000, 1

Address

Starting address of read

block

Address_Type = ADU

1-65536

Address_Type = PDU

0-65535

Address_Type = Modicon_5digit

40001, 30001, etc

Data_Array_Low_Scale*

Scaling zero in Data Array

Any signed 32 bit integer in the range:

-2,147,483,648 to 2,147,483,647. 0

Data_Array_High_Scale*

Scaling max in Data Array

Any signed 32 bit integer in the range:

-2,147,483,648 to 2,147,483,647. 100

Node_Low_Scale*

Scaling zero in Connected

Node

Any signed 32 bit integer in the range:

-2,147,483,648 to 2,147,483,647. 0

Node_High_Scale*

Scaling max in Connected

Node

Any signed 32 bit integer in the range:

-2,147,483,648 to 2,147,483,647. 100

Optional only for Modicon_5digit addressing, and only if Single writes do not need to be forced

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