APPENDICES
MELSEGA
1.3
Function Comparison
8..
[kctlon
3.4
I
I
Module READY signal
-
Xn7 of the
110
rlgnalr for the PC
CPU
ir
u8.d
a8
th0
READY
8igMl.
L
I
RS-232C CD terminal check Always checked.
Sot whether
or
not
th.
AJ71
C24-S8
checks the CD signal.
3.2.2
7.1
Error
occurrence is
confirmed by the
LED on the front
panel of the module.
Since the
ONlOFF
8htU8
of
the
error
LED
is atored in buffer
memory,
communicationr
errors
can
be
checked with the
PC
CPU
by
reading the buffer memory with
a sequence program.
Display area
I
rransmisrion
error
information
3.3.3
P
To
turn
OFF
the
error
The
cpu
must
be
re8et.
The
requost rignal to turn tho
error
dirplay
OFF
wn
be
output with
a
ditphy sequence program.
L
P
Extension file registers
(R)
are
read in unitr of each register.
L
Batch read
Batch write
EW
I
Data
is
wition
b
extonsion file
regirterr
(R)
in units of each register.
c
To
write data, block numbers and
the extension file registers
(R)
at
dovice numben are dorignated for
random in unitr
of
each register.
8.8
registers
1
Monitor data
1
I
,
registration
Monitor
I
The extenrion file regirterr
(R)
to
be
monitored are
set
in units of
each regirter.
L..
I
The extension fib regisbrs
(R),
ret
for monitorina,
are
monltorod.
L
Batch Main UR
read
Sub
VR
)edi-
Mitre
~mtod
mP*
Main
UW
wotocols program Batch
to 4 write
Sub
vw
Com-
Batch read
KR
ment Batch write
Kw
Sub microcomputer program
ir
read.
written.
Main microcomputer program
ir
8.12.5
i
r
Sub microcomputer program is
written.
Comments
are
read from memory.
8.12.8
L
I
~ommentr are written to
memory.
Data transmission
start is controlled by
the computar.
Tho wnd request can be output
from
the
PC CPU for data
tranrmirrion with dedicated
protocols
1
to 4.
On-demand 8.1
4
8.4.5
(4)
Communications is
porrible only
With
the
PC
CPU which
AJ71
C24.
is loaded with the
Communications is poribk with a
PC CPU which is not
loadod
with
the A171
C24
in MELSECNETOI)
or
MELSECNET/B.
Communications with the
PC
CW
in MELSECNETOI)
or
MELSEC-
NETlB
L-
P
I
Data communicationr using
AnACPU
dedicated
commandr
with an A2ACPU(-S1) and A3ACPU.
Using AnACPU dedicated
commandr, data communicatlonr
is possible with all device
memorlor,
extenrion
file
rogirton,
and extension comments of an
AWA3ACPU.
~~
3.3.1 (2)
8
-
L
L.4
c
APP-2
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
To Next Page
Loading...
