Contec CONPROSYS CPS-PC341MB-ADSC1-9201, Reference Manual

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Setup
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CPS-PC341MB-ADSC1-9201 Reference Manual (Hardware)
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1. Set Data Transfer Mode
With the DIP switch (SW1, SW2), data transfer mode can be changed (half-duplex or full-duplex).
Set the data transfer mode in accordance with a device which you are connecting to.
1. RS-422A/485

Half-Duplex Switch Setup
Data transfer mode Setup method
Half-duplex [Half] TX is used to transfer data; the sending and receiving modes should be
switched over using RTS.
Terminator setup
Set the terminators on or off in accordance with the device which you are communicating with.
The DIP switch (SW2) sets the terminator.
The terminators on the product are
100Ω resistors.
If you intend to use a terminator of other than 100Ω, set the terminator switch OFF first, and insert
an external terminator.
(A) or (D) (B) or (C)
Use the terminator inside Set the terminator outside
When using the terminator
neither inside nor outside
COM B USB RS-232C
1
ON
2 3 4 1 2 3 4 5 6
SW2 SW1
ON
Terminator
(Bit 1)
Terminator
(Bit 1)
Device A Device B Device C Device D
1
ON
2 3 4 1 2 3 4 5 6
SW2 SW1
ON
1
ON
2 3 4 1 2 3 4 5 6
SW2 SW1
1
ON
2 3 4 1 2 3 4 5 6
SW2 SW1