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Client side map descriptors, Fieldserver related map descriptor parameters, Driver related map descriptor parameters – FieldServer Omron FINS FS-8704-16 User Manual

Page 12: Timing parameters

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FS-8704-16 Omron FINS Manual Page 12 of 38

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4.5

Client Side Map Descriptors

4.5.1 FieldServer Related 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
“Data Array” section above

Data_Array_Offset

Starting location in Data Array

0 to maximum specified in “Data Array”
section above

Function

Function of Client Map Descriptor

RDBC, WRBC, WRBX

4.5.2 Driver Related Map Descriptor Parameters

Column Title

Function

Legal Values

Node_Name

Name of Node to fetch data from

One of the node names specified in
“Client Node Descriptor” above

*Data_Type
(see Note 1 Appendix A.1)

Data type

CIO-WORD, WR-WORD, HR-WORD, AR-
WORD, EM-WORD

Length

Length of Map Descriptor

1- 729

Address

Starting address of read block

0, 1,…100, etc
see Appendix A.1 for details

*Memory_Code
(see Note 1 Appendix A.1)

Memory code for PLC memory type

B0, B1, B2, B3, 82, 98 and
A0 ---- AC

Command_Name
(see Note 2 section 6.1)

Name of the command

MEMORY AREA READ
MEMORY AREA WRITE
RUN-STOP
CLOCK READ
CLOCK WRITE
CYCLE TIME READ
CPU UNIT STATUS READ

*MRC
(see Note 2 Appendix A.1)

Main Request Code

1,4,6,7

*SRC
(see Note 2 Appendix A.1)

Sub Request Code

1,2,20

*Unit_Number

Unit number of CPU at PLC

0,1,2 etc

4.5.3 Timing Parameters

Column Title

Function

Legal Values

Scan_Interval

Rate at which data is polled

≥0.001s