28
P/N 134421
Banner Engineering Corp. • Minneapolis, MN U.S.A.
www.bannerengineering.com • Tel: 763.544.3164
SureCross™ DX80 Web Configurator
Instruction Manual
Network Tab
RTU Error Codes
The first occurrence of read and write errors are shown along with the map number that was
processing when the error occurred. Select the Reset checkbox to the left of the error codes and
click the Update button to clear the error. If more than one error is active, the next error code
displays.
The right four columns display a count of errors for all maps for each device. Select the Reset
checkbox left of the Total Messages column and click Update to reset the counts. Click Update to
view the most recent values.
Error codes (A/B format) indicate the following errors with the first number:
1: n/a for RTU (Transaction ID out of sync)
2: Exception code returned by remote device
3: Function code mismatch (bad packet)
4: Insufficient data (bad packet)
5: No response from remote device, timed out
6: CRC error in received packet
When A is code 2, indicating an exception code was returned, B indicates the exception as follows:
1: Illegal function code
2: Illegal data address (the requested register does not exist in the device)
3: Illegal data value
