The FX0N-232ADP type RS232C adapter (hereinafter called 232ADP)
is connected to the FX0N series PC to exchange serial data with a
personal computer, barcode reader, printer, and other various
** Only one 232ADP unit can be connected to one base unit to the serial
port provided at the left side.
** The buffer size and location are specified by an RS instruction in the PC
Transmission standard Conforming to RS232C, 25pin D-SUB, connector used
Isolation method Photo coupler isolation
Transmission distance 15m or less (shielded cable recommended)
Current consumption DC 5V less than 200mA from base unit
Control flags and data registers
M8121:Send wait flag D8120:System configuration
M8122:Send flag D8122:Remainder of send data
M8123:Receive completion D8123:Amount of received data
M8161:8 bits/16 bits changeover D8124:Header byte
** The communication format is set by special data register D8120.
Setting the communication format using D8120 is effective only at the time
the RS instruction is driven, and therefore
any change after driving is not actually accepted.
** An example of setting D8120 is shown below.
** The control line is set by b10.
b10 = 0 :No hardware handshaking.Send and receive are controlled by software protocol.
b10 = 1 :Hardware handshaking.Signal lines ER(DTR)and
DR(DSR)are used to control send and receive of data.
H138F= 0001 0011 1000 1111(binary)
The settings for the above program are as right.
The FX0N-232ADP type RS232C adapter
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