RayTek 54301 用户手册
Installation
5.6 Installing of Multiple Sensors via RS485
The distance between the sensor and a computer can be up to 1200 m
(4000 ft.) via RS485 interface. This allows ample distance from the
harsh environment where the sensing head is mounted to a control
room or pulpit where the computer is located.
(4000 ft.) via RS485 interface. This allows ample distance from the
harsh environment where the sensing head is mounted to a control
room or pulpit where the computer is located.
The RS232/485 adapter comes with a power supply:
RAYMINCONV2 for 230 VAC
RAYMINCONV1 for 110 VAC
Connect the signal line as shown:
RAYMINCONV2 for 230 VAC
RAYMINCONV1 for 110 VAC
Connect the signal line as shown:
RS232/485 Adapter
Electronic Box
RxB
Æ
B
RxA
Æ
A
Do not run power supply in the same conduit as the
RxA/RxB wires!
RxA/RxB wires!
Shunt deactivated!
Figure 21: Wiring the RS485 Interface
MID
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