Control unit
vacon • 34
5
5.3.2
Standard I/O terminals
The terminals of the
Standard I/O
and the
Relays
are described below. For more information
on connections, see chapter 7.3.1.
The terminals shown on shadowed background are assigned for signals with optional functions
selectable with DIP switches. For more information, see chapter 5.3.7.
Table 13. Control I/O terminal signals and connection example.
Standard I/O terminals
Terminal
Signal
A
RS485_A
Serial bus, negative
B
RS485_B
Serial bus, positive
1
+10 Vref
Reference output
2
AI1+
Analogue input,
voltage or current
3
GND
I/O signal ground
6
24Vout
24V aux. voltage
7
DIN COM
Digital inputs com-
mon
8
DI1
Digital input 1
9
DI2
Digital input 2
10
DI3
Digital input 3
4
AI2+
Analogue input,
voltage or current
5
GND
I/O signal ground
13
DO1-
Digital output 1 com-
mon
14
DI4
Digital input 4
15
DI5
Digital input 5
16
DI6
Digital input 6
18
AO1+
Analogue signal
(+output)
20
DO1+
Digital output 1
V
X1
Remote reference
4...20mA/0...10V
Reference potentiometer
1...10k
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