Baud Rate; Start Bit; Data Bit; Parity Bit - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Remote Maintenance
3.3

Selecting Modem

In FX PLCs, the modems PV-AF288 (manufactured by AIWA CO., LTD.) and ME3314B (manufactured by
OMRON Corporation) are applicable.
When "user registration mode", "PP modem mode (ch1)", or "PP modem mode (ch2)" is selected in the
modem initialization setting in an FX PLC, other modems are also applicable.
The tables below show the communication specifications in the "user registration mode", "PP modem mode
(ch1)", and "PP modem mode (ch2)". Select a modem supporting the communication specifications shown
below.
1. User registration mode
Item
Communication method
Baud rate
Start bit
Data bit
Parity bit
Stop bit
Control line
If the modem used does not support the communication specifications shown above, communication is not
possible.
2. PP modem mode (ch1) and PP modem mode (ch2)
Item
Communication method

Baud rate

Start bit

Data bit

Parity bit

Stop bit

Control line

If the modem used does not support the communication specifications shown above, communication is not
possible.
I-20
Contents
Half-duplex, asynchronous system
9600 bps
1-bit
7-bit
Even
1-bit
Not provided
Contents
Half-duplex, asynchronous system

9600 bps

1-bit
8-bit

Not provided

1-bit
Not provided
3 System Configuration and Selection
3.3 Selecting Modem