FX Series Programmable Controller Diagnostic Devices 6
6-18
Error Detection
Device
Stored Error
Number
Associated Meaning Action
D8066
Circuit error
(FX
2N(C)
only)
6610
LD, LDI is used continuousl
9 or more
times in succession
A circuit error occurs if a
combination of instruc-
tions is incorrect or badl
specified.
Select pro
rammin
mode and correct the
identified error.
6611
Number of LD/LDI instructions is fewer
than ANB/ORB instructions
6612
Number of LD/LDI instructions is more
than ANB/ORB instructions
6613
MPS is used continuousl
more than 12
times
6614 MPS instruction missin
6515 MPP instruction missin
6616
Unauthorized use of the MPS/ MRD/
MPP instructions; possible coil missin
6617
One of the followin
instructions is not
connected to the active bus line: STL,
RET, MCR, (P)ointer, (I)nterrupt, EI, DI,
SRET, IRET, FOR, NEXT, FEND and
END
6618
STL/ RET/ MC or MCR pro
rammed
within either a subroutine or an interrupt
routine
6619
Invalid instruction pro
rammed within a
FOR - NEXT loop:
STL/ RET/ MC/ MCR/ I/ IRET/ SRET
6620 FOR - NEXT nestin
exceeded
6621
Unmatched number of FOR and NEXT
instructions
6622 NEXT instruction not found
6623 MC instruction not found
6624 MCR instruction not found
6625
A sin
le STL branch drives 9 or more par-
allel circuits
6626
Invalid instruction pro
rammed within an
STL - RET block:
MC/ MCR/ I/ IRET/ SRET
6627 RET instruction not found
6628
I/ SRET/ IRET incorrectl
pro
rammed
within main pro
ram bod
6629 P or I label not found
6630 SRET or IRET not found
6631 SRET pro
rammed in invalid location
6632 IRET pro
rammed in invalid location
