AutomationDirect DL105, User Manual

Page: 311 / 350

Appendix
B
DL105
Error
C
odes
B--4
DL105 Error Codes
DL105 PLC User Manual, 3rd Edition
DL105 Error Code Description
E436
INVALID INT
ADDRESS
An INT must be programmed after the end statement, not in the main body of
the program. SP52 will be on and the error code will be stored in V7755.
E438
INVALID IRT
ADDRESS
An IRT must be programmed after the end statement, not in the main body of
the program. SP52 will be on and the error code will be stored in V7755.
E440
INVALID DATA
ADDRESS
Either the DLBL instruction has been programmed in the main program area
(not after the END statement), or the DLBL instruction is on a rung containing
input contact(s).
E441
ACON/NCON
An ACON or NCON must be programmed after the end statement, not in the
main body of the program. SP52 will be on and the error code will be stored
in V7755.
E451
BAD MLS/MLR
MLS instructions must be numbered in ascending order from top to bottom.
E452
X AS COIL
An X data type is being used as a coil output.
E453
MISSING T/C
A timer or counter contact is being used where the associated timer or
counter does not exist.
E454
BAD TMRA
One of the contacts is missing from a TMRA instruction.
E455
BAD CNT
One of the contacts is missing from a CNT or UDC instruction.
E456
BAD SR
One of the contacts is missing from the SR instruction.
E461
STACK OVERFLOW
More than nine levels of logic have been stored on the stack. Check the use
of OR STR and AND STR instructions.
E462
STACK
UNDERFLOW
An unmatched number of logic levels have been stored on the stack. Insure
the number of AND STR and OR STR instructions match the number of STR
instructions.
E463
LOGIC ERROR
A STR instruction was not used to begin a rung of ladder logic.
E464
MISSING CKT
A rung of ladder logic is not terminated properly.
E471
DUPLICATE COIL
REFERENCE
Two or more OUT instructions reference the same I/O point.
E472
DUPLICATE TMR
REFERENCE
Two or more TMR instructions reference the same number.
E473
DUPLICATE CNT
REFERENCE
Two or more CNT instructions reference the same number.