RS485 Installation Settings
▌Wiring is required as an additional harness to connect the RS485 line and the remote device.
The figure below shows the diagram of ODA’s remote (PC) device connected by the 485 to 232 converter.
< Figure 3-5 >
RS232C, RS485 Wiring Specifications and Terminating Resistors
No.
No.
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
▌The IN Port socket has a built-in RS232C / RS485 connection.
▌The Out Port socket is a port for parallel RS485 wiring.
▌Resistance value when using terminating resistors
Data+, Data- line: 120Ω 1/4W
Data+ Full Up resistance: 2KΩ 1/4W
Data- Full Down resistance: 2KΩ 1/4W
< Figure 3-6 >
N.C
Ground
B-
B-
Data -
Name Description
Name
OFF
Switch Location
All Up
All Down
- 37 -
Final Device on the Line
ON
Switch Status
Ground
Not Final Device on the Line
B-
Data -
A+
Data +
< Figure 3-7 >
RX
Data +
RX(RS232)
GND
Description
N.C.
GND
Data -
A+
N.C.
B-
A+
Data +
A+
Data +
TX
TX(RS232)
Data -
IN Port
Out Port
N.C.
485 to 232 Converter
IN
OUT
8 7 6 5 4 3 2 1
8 7 6 5 4 3 2 1
485 to 232 Converter
IN
OUT
8 7 6 5 4 3 2 1
8 7 6 5 4 3 2 1
Summary of Contents for MX Series
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