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IQ004
3 - 1 INPUTS AND OUTPUTS DESCRIPTION
1
2
3
4
5
10
6
8
11
7
9
N.C.
Not connected
TX
Transmission RS 232C
RX
Reception RS 232C
XXX
Power supply voltage (Vac)
XXX
Power supply voltage (Vac)
GND
Ground connection
GND
Ground RS 232C
TX/A
Transmission RS422 or channel A RS 485 (DO/RI)
TX/B
Negative transmission RS 422 or channel B RS 485 (DO/RI)
RX
Reception RS 422
RX
Negative reception RS 422
Connections with DC power supply
1
2
3
4
5
10
6
8
11
7
9
N.C.
Not connected
TX
Transmission RS 232C
RX
Reception RS 232C
+
Positive power supply voltage Vdc
(9 ÷ 18 Vdc)
.
-
Negative power supply voltage Vdc (9 ÷ 18 Vdc)
.
GND
Ground connection
GND
Ground RS 232C
TX/A
Transmission RS422 or channel A RS 485 (DO/RI)
TX/B
Negative transmission RS 422 or channel B RS 485 (DO/RI)
RX
Reception RS 422
RX
Negative reception RS 422
NOTE
Power supply voltage polarities (+ / -), must respect what is written on the terminals 1 and 2. Inversion
of polarities does not cause any kind of damage.
