435
PRC
1
2
3
4
4
6
7
8
7.9
D
isplay instru
ctions
7.9.2
P
RC
F
unct
i
on
(1) Outputs comment (ASCII code) at device designated by to output module designated by .
The number of characters output differs according to the ON/OFF status of SM701.
• When SM701 is OFF: Comment is 32 characters
• When SM701 is ON : Comment is the upper 16 characters
The number of points used by the output module is 10 points from the Y address designated by .
[Timing Chart]
S
D
D
A B C D E F G H I
K
K
L M n O
ASCII code output
Strobe signal output
Flag indicating PRC
instruction in execution
Output Y
Head of output
Y30
X1
PRC
Comment at X1
Sequence
program
Y30
Y37
Y38
Y39
U
sed as interlock
Printer or
display de
v
ice
Y38
(Strobe signal)
Y30 to Y37
10
ms
10
ms
41
H
42
H
4E
H
A
B
n
OFF
ON
Y39
OFF
30ms x 16 = 480 ms
43
H
4F
H
O
C
10
ms
30 ms
ON
OFF
ON
PRC
SM721
SM720
OFF
OFF
ON
ON
Preprocessing
(se
v
eral scans)
(Flag indicating strobe
signal is being output)
(File access in
progress flag)
(File access
completion flag)
None of
instructions can
be executed.
PRC instruction cannot be executed again.
Instructions other than PRC instruction (SP.FREAD,
SP.FWRITE, P
U
NROAD, PLOAD, PSWAPP) can be executed.