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5.1
Wiring
5.1.1 Standard type (ARO-FT)
The wire color varies depending on the communication method, UART (3.3V logic) or RS-232C. Make
the connection after checking the communication method.
(RX and TX are from the instrument side.)
UART (3.3 V logic)
Color
Red
Black
Green
Yellow
White
Blue
Grey
5.1.2 Cable type (ARO-FT)
The Cable type is only for RS-232C communication.
(RX and TX are from the instrument side.)
Green
Red
Power input (6 - 26 VDC)
Black
Green
Yellow
White
5.1.3 MCBH type (AROD-FT)
The MCBH type is only for RS-232C communication.
(RX and TX are from the instrument side.)
Pin No.
1
2
3
4
5
6
7
8
Power input (6 - 26 VDC)
1
Note (
): Do not connect wires to N.C. ports. It can damage the instrument.
5 Method for Connection
RS-232C
Power input (6 - 26 VDC)
GND
FG
2
N.C. (
)
RX
2
N.C. (
)
TX
1
RX (
)
N.C. (
TX
N.C. (
RS-232C
GND
FG
RX
TX
RS-232C
1
N.C. (
)
RX
TX
1
N.C. (
)
FG
1
N.C. (
)
GND
1
Note (
): 100 kΩ pull-down
2
)
2
Note (
): Do not connect wires to N.C. ports.
2
)
It can damage the instrument.
9
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