DA-PU100 Series Administrator's Manual
22
2.4.5
Connection of RS-485 equipment
RS-485 cable wiring
PIN No.
Signal name
1
A (Driver Out/Receiver In)
2
B (Inverted Driver Out/Inverted receiver In)
3
A (Driver Out/Receiver In)
4
B (Inverted Driver Out/Inverted receiver In)
5
SG (Signal Ground)
Wiring precautions
•
Use of shielded twisted pair wire is recommended.
•
Wire devices between devices in a point-to-point fashion.
•
Connect a terminating resistor to the end of wiring. (This product has built-in terminating resistor)
•
In addition to signal lines, connect the signal ground (SG). If there is no signal ground at the
connected device, do not connect.
Wiring Example
1
2
3
4
5
RS-485 Terminal
(
attached
)
1-pin
5-pin
DA-PU100
A
B
SG
RS-485
Equipment
Shielded twisted
pair wire
RS-485
Equipment
RS-485
Equipment
*Built-in
terminating
resistor
Shielded twisted
pair wire
Shielded twisted
pair wire
Summary of Contents for HD-PLC DA-PU100
Page 1: ...Administrator s Manual PLC Adaptor Model No DA PU100 ...
Page 4: ...DA PU100 Series Administrator s Manual 4 Chapter 1 Introduction ...
Page 9: ...DA PU100 Series Administrator s Manual 9 Chapter 2 Installation and Operation ...
Page 25: ...DA PU100 Series Administrator s Manual 25 Chapter 3 PC Tools ...
Page 32: ...DA PU100 Series Administrator s Manual 32 Chapter 4 Preparation for Operation ...
Page 58: ...DA PU100 Series Administrator s Manual 58 Chapter 5 Troubleshooting ...
Page 62: ...DA PU100 Series Administrator s Manual 62 Chapter 6 Specifications ...
Page 65: ...DA PU100 Series Administrator s Manual 65 7 Dimensions With the fixing brackets attached ...