Serial Communication; Wiring  4 - Radian RI-10W User Manual

RADIANQBIO INSTRUMENT

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
TXD(Transmission Data)
RXD(Receive Datea)
COM(Ground)
② Option-03 (RS485)
INDICATOR
2) Port Port
Type
Full-duplex, asynchronous
Method
method.
Baud-rate
Parity
Data bit
Stop bit
TXD
RXD
EIA-232C
Select one of 2400, 4800, 9600, 19200, 38400, 57600 bps
Host PC
RXD(Receive Datea), No.2 Pin
TXD(Transmission Data), No.3 Pin
GND(Ground), NO.5 Pin
external communication device
RS485 (+)
RS485 (-)
Half-duplex, asynchronous
method.
No parity
8 bit
1 bit
44
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EIA-485