Mitsubishi Melsec-A Series User Manual page 62

3. SPECIFICATIONS
/MELSEC
3.6
I/O Signals To and From PC CPU
The AD71 uses 16 inputs and 16 outputs for non-numerical com-
munications with the PC CPU.
1/0
signal assignment and functions
are given below.
Table 3.9 shows
1 / 0
signals with the AD71 in slot No. 0 of the main
base unit.
Device X indicates an input signal from the AD71 to the PC CPU.
Device Y indicates an output signal from the
PC CPU to the AD71.
I
Signal D i r w i o n : A D 7 1
to PC CPU Signal Direion: PC CPU t o A D 7 1
I
DOVi C bl
No.
S i n a l Signal
x 1
Y axis Positioning stan Y11
AD71 ready
X2
Positioning complete
Y axis X3
p $ ; ; [ o n
Y 12 X axis
Y13 Xaxis
Zeroing start
X 4
Zeroing request
Y axis
Y16 X axis X6
Xaxis Y15 Y axis X5
BUSY
Y axis
Y14
X axis
X ? Y axis Y 17 X axis
Forward jog start
X 8
X axis Y18
Forward jog start
Y axis Y19 Y axis X 9
Reverse j o g start
Xaxis
stop
Positioning commenced
.
X A
PC ready Y1D Y axis
X D
Y axis
Y1C Xaxis
XC
Xaxis Y1B Error detection XB
Reverse j o g start
Y axis Y1A
Battery error
M
c o d e OFF
Zeroing return complete
r
XE
Y1F Y axis
XF
Y1E
Xaxis
M
code
ON
)
Reserved.
i
Table
3 . 9
I/O Signal
List
IMPORTANT
I
Y l E , Y l F , and YO to Y F are reserved for use by the OS or
for special applications which are detailed later.
~~
I/O signal details (See Fig. 3.42.)
( 1 ) Watch dog timer error (XO)
Switches on when the AD71 self-diagnostics detect a watch dog
timer error.
3-47
IB
INN
68101-A