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EtherCAT to Modbus RTU Gateway
DA_Addr02_4.txt
The DA_Addr02_4.txt support 2 typical Modbus RTU commands (read all AO Readback) as follows:
(The M-7024 module is used as an example.)
For Example,
Baud rate = 9600, Parity =
Command [01], refer to
[02] Modbus RTU Command, PDO[Addr], Update Mode, =
NOTE: Refer to Chapter 5 "Modbus Information" for Modbus RTU command details.
The addressing mapping of all AO readback is given as follows:
DA channel
0
1
2
3
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N
(None), Stop Bit = 1, Number of command =
AD_Addr02_2.txt
for more detail.
High Byte
InTxPDO[01]
InTxPDO[03]
InTxPDO[05]
InTxPDO[07]
2
02 03 00 40 00 04, 00, 00,
Low byte
InTxPDO[00]
InTxPDO[02]
InTxPDO[04]
InTxPDO[06]
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