RS-232C
The following functions can be controlled by using the
RS-232C interface.
$ Basic operations
The same basic operations as those performed by
the unit's buttons and switches can be initiated.
$ Status checks
The unit's current operation mode can be checked.
$ Setting menus
The setting menu items can be detected and set.
$ Search function
Specific frame positions can be searched.
1. Hardware specifications
(1) Interface specifications
Connector:
D-Sub 9-pin
DCE specifications (straight cable supported)
Pin No.
Signal
1
GND
2
SD (TXD)
3
RD (RXD)
4
ER (DTR)
5
SG
6
DR (DSR)
7
CS (CTS)
8
RS (RTS)
9
N.C
Description
GND
Transmitted Data
Received Data
Data Terminal Ready
Signal GND
Data Set Ready
Clear to Send
Request to Send
=====
Example of connections (9P)
PC side
1
CD
3
SD
2
RD
7
RS
8
CS
6
DR
5
SG
4
ER
Example of connections (25P)
PC side
1
FG
2
SD
3
RD
4
RS
5
CS
6
DR
7
SG
20
ER
(2) Communication parameters
The unit's communication parameters are as follows.
To change any of these parameters, make the
changes on the menus.
Baud rate : 9600 bps
Bit length : 7 bits
Stop bit
: 1 bit
Parity
: Odd
53
Unit side
1
GND
3
RD (RXD)
2
SD (TXD)
7
CS (CTS)
8
RS (RTS)
6
ER (DTR)
5
SG
4
DR (DSR)
Unit side
1
GND
3
RD (RXD)
2
SD (TXD)
7
CS (CTS)
8
RS (RTS)
6
ER (DTR)
5
SG
4
DR (DSR)