6: Diagnostics And Troubleshooting - Curtis 1353 User Manual

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When an error occurs in the 1353, a fault message can be monitored through the Curtis programmer.
Meanwhile, an emergency message will be produced on the CANbus according to the CANopen
standard. This message will be sent once. When the fault clears, a No Fault emergency message will
be transmitted.
For each new fault, the fault code and timestamp will be logged in a 16-error-deep FIFO buffer in
this format:
The fault log is accessed by SDO reads of the Standard Object at Index 0x1003. Reading the Fault
Log Length sub-index 00h will return a value of 16 (the depth of the fault log). Reading from the
sub-index 1 though 16 (0x01 – 0x10) will return the faults plus time stamps in order from newest
to oldest. The fault log can be cleared by writing 0 to the Fault Log Length object (sub-index 0x00).
Additionally, the highest priority fault code will be flashed on the red and yellow status LEDs. The
red LED enumerates the digit place and the yellow LED enumerates the value. For example, a code
23 would be displayed as one red flash, followed by two yellow flashes, followed by two red flashes
and finished with three yellow flashes. The 1353's two LEDs will display this repeating pattern:
The fault codes are listed in the troubleshooting chart (Table 5).
During normal operation, the yellow LED flashes continuously.
On power-up, the integrity of the code stored in memory is automatically tested. If the software is
found to be corrupted, the red Status LED will flash rapidly.
6 — DIAGNOSTICS AND TROUBLESHOOTING
6 — DIAGNOSTICS AND TROUBLESHOOTING
Byte5
Fault Code
Red
(first digit)
Curtis 1353 CANopen Expansion Module Manual – June 2017
Byte6 Byte7
FFh Hour LSB
Fault Time Stamp
Yellow Red
(2) (second digit)
Byte8
Hour MSB
Yellow
(3)
pg. 37