
4. INTERFACE BETWEEN NC AND PMC
B–62755EN/01
214
Function Contents
Display of sequence program Dynamic display of ladder diagram
Diagnostic function S Title data display
S signal status (symbol can be displayed)
S PMC alarm display
S Signal trace
S Memory contents display
S Signal waveform display
S Task status display (PMC–RC3/RC4 only)
S I/O connection status display
Setting and displaying data S Timer
S Counter
S Keep relay
S Data table
Sequence program edit function Ladder diagram editing
(This feature is integrated in PMC–RC3/RC4. For
RB5/RB6, a ladder edit module is required)
(1)R9000 (Operation output register for the ADD, SUB, MULB, DIVB,
and COMPB functional instructions)
#7
Operation result
register
#6 #5 #4 #3 #2 #1 #0
Zero
Sign is minus
Overflow
VNZR9000
(2)R9000 (Error output for the EXIN, WINDR, WINDW, MMCWR,
MMCWW, MMC3R, and MMC3W functional instructions)
#7 #6 #5 #4 #3 #2 #1 #0
The instruc-
tion ended in
error.
R9000
4.2.3
Built–in Debug
Function
4.2.4
System Reserve Area
of Internal Relay