10-2. Serial communication
Since RS232C Interface is very sensitive of electric noise. So please do the wiring
from AC Power and electric wires separately. Also you must use the shield calbe always.
1) Wiring
① Option-02 (RS232C)
Indicator Host PC
TXD(Transmission Data) RXD(Receive Datea), No.2 Pin
RXD(Receive Datea) TXD(Transmission Data), No.3 Pin
COM(Ground) GND(Ground), NO.5 Pin
② Option-03 (RS485)
2) Port
Type EIA-232C EIA-485
Method
Full-duplex, asynchronous
method.
Half-duplex, asynchronous
method.
Baud-rate Select one of 2400, 4800, 9600, 19200, 38400, 57600 bps
Parity No parity
Data bit 8 bit
Stop bit 1 bit
external communication device
RS485 (+)
RS485 (-)
INDICATOR
TXD
RXD
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