AD-4402 Page 91
8.7.8.7.8.7.8.7. RS-232C Interface of Option, OP-04RS-232C Interface of Option, OP-04RS-232C Interface of Option, OP-04RS-232C Interface of Option, OP-04
The RS-232C is used to connect to the DEC (modem).
The command and parameters of RS-232C is the same as the built-in RS-485.
Transmission system EIA RS-232C,
Asynchronous, bi-directional, half-duplex
Data length 7 bis ot 8 bits
Start bit 1 bit
Parity bit Odd, Even, not used
Stop bits 1 bit, 2 bits
Baud rate 600 bps, 12000 bps, 2400 bps, 4800 bps, 9600 bps,
19200 bps
Caution
The option can install either OP-03 or OP-04
Connection
Settings of Parameters
Refer to 10.4. Parameter list of the function list.
13
14
25
1
FG 1
2
3
4
5
6
7
20
SG
A
D-4402
OP-04 inside FG
TXD
RXD
RTS
CTS
DSR
SG
DTR