
I-7530A-MR-FD Modbus RTU to CAN
Converter User’s Manual (Version 1.0, 08/2022) ------------- 56
2
50K baud rate of CAN
3
100K baud rate of CAN
4
125K baud rate of CAN
5
250K baud rate of CAN
6
500K baud rate of CAN
7
800K baud rate of CAN
8
1000K baud rate of CAN
F
User-defined baud rate of CAN
Table 4-3: CAN status register list
AsciiToHex(FF)
Description
Bit 7
Bus Status (0: Bus-On, 1: Bus-Off)
Bit 6
Warning Status (0: No Warning, 1: Warning)
Bit 5
Error Passive Status (0: Error Active, 1: Error Passive )
Bit 4
Bit 3
CAN communication state
0:Synchronizing,1:Idle,2:Receiver,3:Transmitter
Bit 2
Bit 1
Bit 0
Last error code
0:No error,1:Stuff error,2:Form error,3:Ack error
4:Bit1 error,5:Bit0 error,6:CRC error,7:No Change
Table 4-4: CAN and RS-232/485/422 FIFO overflow flag list
AsciiToHex(O)
Description
Bit 3
Reserved
Bit 2
Reserved
Bit 1
RS-232/485/422 FIFO Overflow
Bit 0
CAN FIFO Overflow
Example:
Command: S<CR>
Receive: !50000000<CR>
Obtain some current information on the I-7530A-MR-FD module.
The response will show the following results: CAN baud rate=250K,
CAN status register= normal, CAN transmit error counter=0, CAN
receive error counter=0 and CAN & RS232/485/422 FIFO= normal.
4.6 P0BBDSPCR[CHK]<CR>
Description:
Change the RS-232/485/422 configuration on the I-7530A-MR-FD
module and then reboot the I-7530A-MR-FD module.