6External input/output functions
External signal timing chart
6-432
(2) External signal operation timing chart (Part 2)
An example of timing chart the servo ON/OFF, selecting the program, selecting the override, starting and
outputting the line No., etc., with external signals is shown in
.
Fig.6-3:Example of external operation timing chart (Part 2)
SRVON
Override selection input signal
Override value output request
Line number output request
Servo ON input signal
<Output>
IODATA
PRGSEL
PRGOUT
OVRDSEL
OVRDOUT
LINEOUT
START
SRVON
IODATA
IOENA
START
SLOTINIT
SRVOFF
IOENA
1
80
50
5
80
50
0
1
5
5
Program No. 1
Program No. 5
Op
er
a
tio
n r
igh
ts
re
qu
est
Se
rv
o O
N
Se
rv
o O
F
F
Ove
rr
ide ou
tp
ut
O
v
er
rid
e
s
e
le
ction
Pr
og
ra
m
st
a
rt
P
ro
g
ra
m s
e
le
ction
Prog
ra
m N
o
. o
u
tp
ut
O
v
er
rid
e
s
e
le
ction
Pr
og
ra
m
END
Li
ne
No.
ou
tp
ut
Pr
og
ra
m
st
a
rt
Li
ne
No.
ou
tp
ut
Prog
ra
m N
o
. o
u
tp
ut
Program selection input signal
<Input>
Numeric value input
Program number output request
Operating status output
Program selection enabled output
Start input
Servo OFF input signal
Operation rights input signal
Numeric value output
Operation rights output signal
Se
rv
o O
N
Prog
ra
m N
o
. o
u
tp
ut
P
ro
g
ra
m s
e
le
ction
In servo ON
In servo OFF