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ISaGRAF WinCE ViewPAC User Manual , V.1.6 , 1/2017 by ICP DAS
8-8
When a
Modbus TC
P workspace “MOTCP001.DRV” appears, fill in following data as corresponding field.
Data
Type
Sample
Syntax
Valid Range of Initial
Addresses per Worksheet
Comments
0X
0X:1
Varies according to the equipment
Coil Status: Read and write events using
Modbus instructions 01, 05, and 15
1X
1X:5
Varies according to the equipment
Input Status: Read events using Modbus
instructions 02
3X
3X:4
Varies according to the equipment
Input Register: Read events using Modbus
instruction 04
4X
4X:5
Varies according to the equipment
Holding Register: Read and write events
using Modbus instructions 03, 06, 16
FP
FP:1
Varies according to the equipment
Floating-point value (Holding Register): Read
and write float-point values using two
consecutive Holding Registers.
DW
DW:2
Varies according to the equipment
32-bit Integer value (Holding Register): Read
and write 32-bit integer values using two
consecutive Holding Registers.
What does “127.0.0.1:502:1” mean ?
“127.0.0.1” is the local host IP address. It
means send data to the same controller. “502”
is the Modbus TCP/IP port No. , the last “1” is
the Net-ID of the PAC.
1X: 0 is for reading “Boolean” data
0X: 0 is for writing “Boolean” data”
3X: 0 is for reading short “integer” data (16-bit integer, Word: -32768 to +32767)
4X: 0 is for writing short “integer” data (16-bit integer , Word: -32768 to +32767)
DW: 0 is for reading & writing long “integer” (32-bit integer, Double Word)
FP: 0 is for reading & writing floating point data (32-bit REAL)
For more details, please refer the table as below.
Содержание ISaGRAF VP-23W7
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