Proface APL3000B - Node Box PC - Manual (Page 61)

PL3000 Series Hardware Manual
3-20
Serial Mode Select Switches (SW4 to SW10) operate as shown in the circuit diagram below.
*1
*1 Set switches number 9 and 10 to ON when the SD (TXD) output driver is automatically controlled with
RS (RTS). Set switch number 4 to OFF.
Set switches number 9 and 10 to OFF when the SD (TXD) output driver is controlled with the RS (RTS)
signal. Set switch number 4 to ON.
• Be sure to confirm the setting that will be used by the other device and set the
switches accordingly. Failure to do so can lead to an accident or unit malfunction.
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