FX Series Programmable Controller Diagnostic Devices 6
6-10
6.5 PLC Operation Mode
(M8030 to M8039 and D8030 to D8039)
For symbol key see page 6-1.
Diagnostic
Device
Operation
Diagnostic
Device
Operation
M8030 (-)
Battery LED
OFF
(Not FX1S,FX1N)
Battery voltage is low but
BATT.V LED not lit
D8030 (
7)
(Not FX2N,FX2NC)
Value read from first setting
“pot” inmsec,(0to255)
M8031 (-)
Non-latch
memory all
clear
Current device settings are
resetatnextEND,i.e.
contacts, coils and current
data values for Y, M, S, T, C
and D devices respectively.
Special devices and file
registers which have default
settings are refreshed with
those defaults
D8031 (
7)
(Not FX2N,FX2NC)
Value read from second
setting “pot” in msec, (0 to
255)
M8032 (-)
Latch memory
all clear
D8032 -D8038 Reserved
M8033 (-)
Memory hold
in ‘stop’ mode
Thedevicestatusesand
settings are retained when
the PLC changes from RUN
to STOP and back into RUN
M8034 (-)
All outputs
disable
All of the physical switch
gear for activating outputs is
disabled. However, the
program still operates
normally.
M8035 (-S)
Forced
operation
mode
By using forced operation
mode, i.e.M8035 is turned
ON,itispossibletoperform
remote RUN/STOP or
pulsed RUN/ STOP
operation.
Please see Chapter 10 for
example operation
M8036 (-S)
Forced RUN
signal
M8037 (-S)
Forced STOP
signal
M8038
NtoN
networking
For the setting of devices
when using an N to N
network
M8039 (-)
Constant
scan mode
When ON the PLC executes
the user program within a
constant scan duration. The
difference between the
actual end of the program
operation and the set
constant scan duration
causes the PLC to ‘pause’.
D8039 (-)
Constant
scan duration
This register can be written to
by the user to define the
duration of the constant scan.
Resolutions of 1msec are
possible.
This register has a default
setting 0 msec which will be
initiated during power ON.
FX
1S
FX
1N
FX
2NC
FX
2N
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