ICP DAS USA I-7530A-MR-FD User Manual page 68

Table5-2(1): Modbus address arrangement of "Normal CAN Message" field.( general CAN)
Protocol Addresses
(Base 0)
00000 ~ 00008
00009 ~ 00017
...
01782 ~ 01790
01791 ~ 01799
Table5-2(2): Modbus address arrangement of "Normal CAN Message" field.(CAN FD)
Protocol Addresses
(Base 0)
00000 ~ 00036
00037 ~ 00049
...
07326 ~ 07362
07363 ~ 07399
The format of each received CAN Message is described below:
General CAN
Word number
1
2
3
4
5
6
7
8
I-7530A-MR-FD Modbus RTU to CAN Converter User's Manual (Version 1.0, 08/2022) ------------- 68
PLC Addresses
(3x Base 1)
Decimal rule
00001 ~ 00009
00010 ~ 00018
...
01783 ~ 01791
01792 ~ 01800
PLC Addresses
(3x Base 1)
Decimal rule
00001 ~ 00037
00038 ~ 00074
...
07327 ~ 07363
07364 ~ 07400
Bit 15: 0valid data, 1invalid data
Bit 6~14: Reserved
Bit 5: CAN Specification, 02.0A, 12.0B
Bit 4: RTR, 0No, 1Yes
Bit 0~3: Data length, value=0~8
Most significant two bytes of CAN identifier. (Big-
endian)
Least significant two bytes of CAN identifier. (Big-
endian)
The data 1 and data 2 of CAN data field.
The data 3 and data 4 of CAN data field.
The data 5 and data 6 of CAN data field.
The data 7 and data 8 of CAN data field.
Most significant two bytes of the RX timestamp
message. (Big-endian)
Word Description
Count
9 RX CAN Message #001
9 RX CAN Message #002
... ...
9 RX CAN Message #199
9 RX CAN Message #200
Word Description
Count
37 RX CAN Message #001
37 RX CAN Message #002
... ...
37 RX CAN Message #199
37 RX CAN Message #200
Description