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6
Useful Functions
64
U
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Chapter
6
6-10.
Using an RS-232C interface (option)
The details for an RS-232C interface are as follows.
6-10-1.
Communication specifications
■
Standards
Signal level
RS-232C compliant
Transmitting distance
Approx. 15 m
Transmitting method
Asynchronous, full duplex
Transmitting speed
Select from 4800, 9600, 19200, 38400, 57600, 115.2k bps
Bit configuration
Start bit
1 bit
Character length
Select from 7 or 8 bits
Stop bit
Select from 1 or 2 bits
Parity bit
Select from none, odd or even
Code
ASCII
■
Connector pin assignment
■
Cables
Use a cross type cable if the cable is connected to a DTE (data terminal device, PC and so on) and a
straight type cable if connected to a DCE (data circuit terminator, modem and so on). Below are
examples of using cross cables.
Compatible connector: 9-pin D-SUB connector
(DE-09SN manufactured by JAE, XM2D-0901 manufactured by OMRON and so on)
1
6
IN
DSR
2
IN
RXD
7
3
OUT
TXD
8
4
OUT
DTR
9
5
*
GND
Cross type cable
1
2
RXD
3
TXD
4
DTR
6
DSR
7
8
5
GND
9
1
CD
2
RXD
3
TXD
4
DTR
6
DSR
7
RTS
8
CTS
5
GND
9
RI
PC (9 pin)
F701+
Cross type cable
1
2
RXD
3
TXD
4
DTR
6
DSR
7
8
5
GND
9
8
CD
3
RXD
2
TXD
20
DTR
6
DSR
4
RTS
5
CTS
7
GND
1
FG
PC (25 pin)
F701+
Содержание F701+
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