5 WIRING
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5.6.1 Examples of improper wiring
Improper wiring as shown below causes waveforms on the lines to be distorted, resulting in
communication errors. Make sure that the cables are connected properly.
Do not branch the line.
Do not make a closed loop.
Connect each cable directly to the hardware unit without passing through a terminal block.
Use cables of the same type on the same line.
The CPU module can be installed in any place.
CPU unit
CPU unit
I/O unit
CPU unit
I/O unit
I/O unit
I/O unit
I/O unit
I/O unit
I/O unit
CPU unit
I/O unit
I/O unit
CPU unit
I/O unit
I/O unit
CPU unit
I/O unit
I/O unit
I/O unit
I/O unit
I/O unit
RI/O
2
1
RI/O
2
1
RI/O
2
1
RI/O
Port 1
1
2
RI/O
1
2
RI/O
1
2
RI/O
1
2
RI/O
1
2
RI/O
1
2
RI/O
1
2
RI/O
1
2
RI/O
1
2
RI/O
1
2
RI/O
1
2
RI/O
1
2
RI/O
1
2
RI/O
1
2
TB
TB
TB
TB
RI/O
1
2
RI/O
1
2
Only up to 12 I/O unit can be connected to each communications line. Both ends of the line must be terminated with resistors.
Port 1
Port 2
RI/O
2
1
RI/O
2
1
RI/O
2
1
Terminated
Terminated
Terminated
Terminated
Terminated
Terminated
Proper wiring
Improper wiring
Содержание S10mini D
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Страница 19: ...1 BEFORE USE ...
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