User Manual Manual

120 Publication 1769-UM009E-EN-P - August 2009
Chapter 7 Use the 1769-SDN Scanner Module with MicroLogix Controllers
MSG Instruction
Error Codes
When the processor detects an error during the transfer of Expansion I/O
Communication Module message data, the processor sets the ER bit and
writes an error code at MG file sub-element #18 that you can monitor from
your programming software.
The processor also writes general status information related to this error at the
high byte of MG file sub-element #22 that can be monitored from your
program.
1769-SDN Module Error Code
Error Code Description
E0H Expansion I/O Communication Module Error
Error Status Information
General Status Description
01H Illegal or unsupported service parameter
02H Resource unavailable
04H Segment type error in IOI
07H Connection lost
08H Service not supported
09H Invalid attribute value
0BH Already in requested mode/state
0CH Object state conflict
0EH Attribute not setable
10H Device state conflict
11H Reply data too large
13H Not enough data
14H Attribute not supported
15H Too much data
16H Object does not exist
19H Store operation failure
20H Invalid parameter
28H Invalid member ID