Table of Contents
Advertisement
When a Modbus TCP workspace "MOTCP001.DRV" appears, fill in following data as corresponding field.
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.
Data
Sample
Type
Syntax
0X
0X:1
1X
1X:5
3X
3X:4
4X
4X:5
FP
FP:1
DW
DW:2
8-8
Valid Range of Initial
Addresses per Worksheet
Varies according to the equipment
Varies according to the equipment
Varies according to the equipment
Varies according to the equipment
Varies according to the equipment
Varies according to the equipment
ISaGRAF WinCE ViewPAC User Manual , V.1.6 , 1/2017 by ICP DAS
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.
Coil Status: Read and write events using
Modbus instructions 01, 05, and 15
Input Status: Read events using Modbus
instructions 02
Input Register: Read events using Modbus
instruction 04
Holding Register: Read and write events
using Modbus instructions 03, 06, 16
Floating-point value (Holding Register): Read
and write float-point values using two
consecutive Holding Registers.
32-bit Integer value (Holding Register): Read
and write 32-bit integer values using two
consecutive Holding Registers.
Comments
Advertisement
Table of Contents
