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I-7540D CAN-Ethernet Gateway User’s Manual (Version 1.8, March/2021)
57
4. Supported Command List
For easy application, we provide 4 command strings to allow users to send
specific commands from I-7540D’s Ethernet port
10003
to CAN bus. And
receiving response message form CAN bus. Also, we provide several commands
for I-7540D’s Ethernet port
10000
to set and get the status of 7540D
.
It can cover
most applications of different requests. Communication between the module and
the host is in
ASCII
format via TCP port 10000 and 10003. The general format of
the I-7540D’s commands are given below:
Port
10003
Command Format:
<Command><CR>
<Command>
The commands of the I-7540D.
All the characters are in
ASCII
format.
<CR>
All commands from this port must end with the character
“<CR>” (The ASCII value is 13).
Table 4-1: Command list table (port 10003)
Command
Description
tIIILDD…<CR>
Send or receive a standard data frame.
TIIIL<CR>
Send or receive a standard remote frame.
eIIIIIIIILDD…<CR>
Send or receive an extended data frame.
EIIIIIIIIL<CR>
Send or receive an extended remote frame.
Note:
The I-7540D’s COM3 (CAN port) can only accept these 4 commands.