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FX Series Programmable Controller Diagnostic Devices 6
6-9
For symbol key see pa
g
e 6-1.
• Please see the followin
g
pa
g
e for the notes referenced in this table.
6.8 Link And Special Operation
Devices (M8070 to M8099 and D8070 to D8099)
For symbol key see pa
g
e 6-1.
Diagnostic
Device
Operation
Diagnostic
Device
Operation
M8070 ( R)
Driven when the PLC is a
master station in a parallel
link application
D8070 (
)
Parallel link watchdo
g
time -
500 msec
M8071 ( R)
Driven when the PLC is a
slave station in a parallel
link application
D8071 - D8098 Reserved
M8072 (
)
ON while the PLC is operat-
in
g
in a parallel link
M8073 (
)
ON when M8070/ M8071
are incorrectl
y
set durin
g
parallel link operations
M8074
(FX
(2C)
only)
Activate RAM file re
g
isters
M8075 -M8098 Reserved
M8099 ( )
Hi
g
h speed free timer oper-
ation
D8099
Free rin
g
timer, ran
g
e: 0 to
32,767 in units of 0.1 msec
(for use in measurin
g
input
pulse durations)
Note 3:
• If the unit or block correspondin
g
to a pro
g
rammed
I / O number is not actuall
y
loaded, M8060 is set to
ON and the first device number of the erroneous
block is written to D8060.
2 001
Device number:
10 to 177
Device type:
1 - Input X
0 - Output Y
= X 20
Contents of
D8060
Note 4:
• An I/O bus check is executed when M8069 is
turned ON. If an error occurs, error code 6103 or
6104 is written to D8069 and M8061 is turned ON.
General note:
• HPP refers to Hand
y
pro
g
rammin
g
panel.