5-4. Connection of optional extension cable
For the connection with the optional communication cable longer than 20m, connect
RS422/RS232C exchanger as shown in the following Fig.3.
Standard communication cable is RS232C, but the extended communication cable is
RS422. In this case, RS422/RS232C exchanger is necessary.
Fig.3-1 Wiring of RS422/RS232C exchanger for extended communication cable
(Caution) The label of cable is a kind of the signals from MS-321LR.
Fig.3-2 Figure indicating the flow of the signal
Power supply:100VAC, 50/60H
Optical unit
TXD+(Red)
TXD-(Black
)
RXD+(White)
RXD-(Green or Blue)
Communication
cable
RS422
●TXD+
●TXD-
●RXD+
●RXD-
●FG
●
Tracker
AC adapter
5VDC
PC
RS422/RS232C
exchanger
Communication
cable
RS232C
8
