Omron CP1E-E10DT-A, Руководство пользователя

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Appendices
A-44 CP1E CPU Unit Hardware User’s Manual(W479)
z
Connection Examples
2-Wire and 4-Wire Transmission Circuits
The transmission circuits for 2-wire and 4-wire connections are different, as shown in the following
diagram.
• CP1W-CIF11/12
• CP1E-N S1D -
Precautions for Correct Use Precautions for Correct Use
Use the same type of transmission circuit (2-wire or 4-wire) for all nodes.
Do not use 4-wire connections when the 2/4-wire switch on the Board is set to 2-wire.
Wiring Example: 1:1 Connections
• Two-wire Connections
Example of 4-Wire Connections Example of 2-Wire Connections
2/4-wire switch
(DPDT)
Option Board
2/4-wire switch
(DPDT)
Option Board
Not connected
Other Unit
Other Unit Other Unit Other Unit
Example of 2-Wire Connections
2-wire switch
(DPDT)
Built-in RS-485 Port Not connected
Other Unit Other Unit
SDA-
SDB+
RDA-
RDB+
FG
3
4
1
2
5
FG
A(–)
B(+)
FG
A(–)
B(+)
CP1E N/NA -type CPU Unit
RS-422A/485 Option Board
CP1E N S1-type CPU Unit
Built-in RS-485 Port
Pin Signal
Signal
Signal
Shield
Shield
Remote device
Signal
Remote device
Ground the shield at one end
when using CP1W-CIF12.
A-
B+
FG