User Manual PLC-3 BACKUP CONC(OR.DU1 Owner's manual
Using the 1775MX
Memory Communication Module
Chapter 4
4-33
Table 4.K is a list of error codes. These error codes may appear while you
are controlling the operation of a memory communication module through
message instructions from a ladder program.
Table 4.K
Program
Control Error Codes
Error Code Description
1 Unknown command
2 Ambiguous command
Syntax errors that can 3 Invalid compare limits
be detected when the 4 Unknown object
instruction is enabled. 5 Invalid data table section
6 Missing object
7 Too many files in file list
8 Program control is not enabled
9 No communication between memory communication
modules in primary and backup processors
10 Commands not being sent by primary processor
Processing errors that 11 Insufficient memory available in backup processor
can occur while 12 Continuous transfer was not stopped
executing commands. 13 Memory communication module cannot lock the
backup system
14 Memory communication module cannot unlock the
backup system
15 File cannot be found or has zero length in primary
processor
16 Memory communication module cannot enable
outputs
Error Codes