ICP DAS USA I-7540D - Manual (Page 54)

Step 3: Send command “ 10 ” to the i-7540D. And it will response “7188E3
message.
Step 4: Select “
Port 2 ” and “ CR ”. Then send “ $02M ” to read 7000 module’s ID
which is connected to i-7540D’s COM2. If you enable 7000 module’s
checksum function, select “
CS_CR ”. The “ CS_CR ” option will add two
checksum bytes, then adds “ CR” .
1 2 2
3
i-7540D CAN-Ethernet Gateway User’s Manual (Version 1.4, April/2008) 54