I-7530, I-7530A, I-7565, I-7530-FT, tM-7530, tM-7530A, tM-7565 User Manual Version 1.6
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2.7 LED indicator
The CAN converter provides two LED indicators to show the module in which
working mode, and whether an error has occurred as below described.
The I-7530, I-7530A, I-7565 and I-7530-FT provide ON LED and ERR LED, while
tM-7530, tM-7530A and tM-7565 provide Run LED and Err LED. Among them, ON LED
and Run LED have the same function, and ERR LED and Err LED have the same
function. The following descriptions focus on ON LED and ERR LED.
The ON LED shows the module is working in which working mode. When the ON
LED indicator flashes once per second means the module is in "Initialization Mode" and
the DIP switch is in "Init", and when the ON LED indicator is always on means that the
module is in "Normal Operation Mode" and the DIP switch is in "Normal".
The ERR LED shows whether an error has occurred in the module. If there is no
error, the ERR LED wil turn off. On the contrary, if an error has occurred, the ERR LED
will be turn on or flashing, at this time the user can use the UART command string
"S[CHK]<CR>" in chapter 4 to get the detailed error infornation. Among them, if the
cause of the error is "CAN or RS-232/RS-485/RS-422/USB overload warning", you can
use the UART command string "C[CHK]<CR>" to clear the error, or reboot the module
to restore the state.
