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EtherCAT to Modbus RTU Gateway
DIO_Addr01_0/Addr01_1/DIO_Addr01_2.txt
The DIO_Addr01_00.txt and DIO_Addr01_01.txt support 1 and 2 typical Modbus RTU commands
(Write DO and Read DI), refer to
The DIO_Addr01_2.txt support 3 typical Modbus RTU commands (Read DI0 Counter) as follows:
For Example:
Baud rate = 115200, Parity =
Commands
[01]
to [02], refer to
[03] Modbus RTU Command, PDO[Addr], Update Mode, =
The M-7050 module is used as an example, its DI can be used as a 16-bit event counter. This
command will 16-bits counter stored in the InTxPDO[02] and InTxPDO[01]
To get command of read DI0 Counter is given as follows (see Figure A2-4):
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9600_N81.txt
for more detail.
N
(None), Stop Bit = 1, Number of command =
9600_N81.txt
for more detail.
Figure A2-4
3
01 04 00 00 00 01, 01, 00,
NOTE: Refer to
Information"
command details.
Chapter 5 "Modbus
for Modbus RTU
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