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3.3.3 Floppy disk drive (FDD) specifications
Item Double-Density Recording
Unformatted
1 .OM bytes
Formatted
640K bytes
Recording capacity
4
Application
I
o
For A6PHP operating system
o
Program storage etc.
Table 3.5 Floppy Disk Drive (FDD) Specifications
3.3.4 RS-232C interface specifications
1
Item
Specifiution
1
I
For
connection
with
1
Printer with RS232C interface
I
I
Transmission
mode
I
Conforms to EIA. RS-232C
1
I
Synchronous
mode
I
Asynchronous mode
1
I
USART mode setting
I
Set in
printer
mode
I
Connector
Table 3.6 RS-232C Interface Specifications
25-pin D-sub(fema1e) screw fixing type
3.3.5 RS-232C connector pin-outs
Pin Arranwmmt
I
Pin
I
sigml
I
AGPHP
I
General
Direction
Number
Symbol
+,outride
1
Transmit data
+
SD
2
Frame ground
FG
3
Receive data
c
RD
RTS
CTS
Request to send
-t
Signal ground
SG
7
Data set ready
c
DSR
6
Clear to send
t
20
DTR
-+
Data terminal ready
00000.000000
Table 3.7 RS-232C Connector Pin-Outs
3.3.6 RS-422 interface specifications
Item
Spuification
1
I
For
connection
with
o MELSEC-A or K series programmable controllers
I
o
AGWUE (ROM writer)
I
I
Transmission
mode
I
Conforms to
EIA.
RS-422
I
I
Synchronousmode
I
Asynchronous mode
I
I
Transmission speed
1
9600
BPS
I
USART mode setting
Automatically
set
by
OS
Connection cable
AC30R4, AC300R4, ACO3WU
Table 3.8 R S 4 2 2 Interface Specifications
3-4
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