9
5 Method for Connection
Wiring 5.1
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.)
Color
UART (3.3 V logic)
RS-232C
Red Power input (6 - 26 VDC)
Black GND
Green FG
Yellow N.C. (
2
) RX
White N.C. (
) TX
Blue RX (
) N.C. (
)
Grey TX N.C. (
)
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
RS-232C
Red Power input (6 - 26 VDC)
Black GND
Green FG
Yellow RX
White TX
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.
RS-232C
1 N.C. (
1
)
2 RX
3 TX
4 N.C. (
)
5 FG
6 N.C. (
)
7 GND
8 Power input (6 - 26 VDC)
Note (
1
): Do not connect wires to N.C. ports. It can damage the instrument.
Note (
1
): 100 kΩ pull-down
Note (
2
): Do not connect wires to N.C. ports.
It can damage the instrument.