ICP DAS USA I-7530A-MR-G User Manual page 97

For example: If you want to use CAN ID 0x123 to reply 8 byte IO
data. If the "Passively Response" is checked, the other CAN device
needs to send a RTR frame with CAN ID 0x123 and then the I-7530A-
MR will reply to a CAN message with IO data.
 CAN Response Interval:
This field is used for setting response interval of CAN messages and its
unit is millisecond. When not using "Passively Response" CAN
message method, this function will be enabled.
 CAN Configuration:
This field is used for setting a mapping relation which is between
Modbus slave IO data read by "Modbus Read Commands" and a
"Response CAN Message".
 CAN Specification:
This field indicates this CAN message uses CAN 2.0A or CAN 2.0B. If
the CAN 2.0A is selected, the maximum value of CAN ID is 0x7FF.
Relatively, if the CAN 2.0B is selected, the maximum value of CAN ID
is 0x1FFFFFFF.
I-7530A-MR Modbus RTU to CAN Converter User's Manual (Version 1.08, 07/2019) ------------- 97
Configuration List