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4-2 How to Wire to Host Device
4-9
(2) Using RS-232C connecting cable to extend a cable and connecting to IBM PC compatible machine (typical)
To connect an IBM PC compatible machine (typical) extending a dedicated RS-232C connecting cable, prepare the cables shown below.
Thickness of wire in the cable must be AWG26 or more.
••••
Recommendable 24 VDC power supply
Model S82K-01524 (Output: 24 VDC, 0.6 A. Input: 100 to 240 VAC. OMRON)
If you do not use the recommendable power supply or equivalent, connect to the 24 VDC power supply via a line filter type GT-205J
(Tokin) or equivalent.
IBM PC compatible
machine
RS-232C connecting cable (Model V690-A4
!
)
Grounding
according
to Class D
Switch,
etc.
DC 24 V
power
supply
Cable prepared by you
Pin No.
IBM PC Compatible Machine
(Typical)
Cable prepared by you
Socket (Male)
RS-232C Connecting Cable
Model V690-A4
!
Plug (Female)
Female
Male
RD (Receiving)
SD (Sending)
RS (Request to send)
CS (Clear to send)
SG (Grounding for signal)
TX (Sending)
RX (Receiving)
SG (Grounding for signal)
Loop back