CABLING AND CONNECTIONS
vacon • 69
6
6.2.2
Control terminal signals
OPT-A1
Terminal
Signal
Technical information
1
+10 Vref
Reference voltage
Maximum current 10 mA
2
AI1+
Analogue input,
voltage or current
Selection V or mA with jumper block X1 (see page 72):
Default: 0– +10V (Ri = 200 k )
(-10V…..+10V Joy-stick control, selected with a jumper)
0– 20mA (Ri = 250 )
3
GND/AI1–
Analogue input common
Differential input if not connected to ground;
Allows 20V differential mode voltage to GND
4
AI2+
Analogue input,
voltage or current
Selection V or mA with jumper block X2 (see page 72):
Default: 0– 20mA (Ri = 250 )
0– +10V (Ri = 200 k )
(-10V…..+10V Joy-stick control, selected with a jumper)
5
GND/AI2–
Analogue input common
Differential input if not connected to ground;
Allows 20V differential mode voltage to GND
6
24 Vout
(bidirectional)
24V auxiliary voltage
15%, maximum current 250mA (all boards total);150mA
(from single board); Can also be used as external power
backup for the control unit (and fieldbus)
7
GND
I/O ground
Ground for reference and controls
8
DIN1
Digital input 1
R
i
= min. 5k
18…30V = "1"
9
DIN2
Digital input 2
10
DIN3
Digital input 3
11
CMA
Digital input common A for
DIN1, DIN2 and DIN3.
Must be connected to GND or 24V of I/O terminal or
to external 24V or GND
Selection with jumper block X3 (see page 72):
12
24 Vout
(bidirectional)
24V auxiliary voltage
Same as terminal #6
13
GND
I/O ground
Same as terminal #7
14
DIN4
Digital input 4
R
i
= min. 5k
18…30V = "1"
15
DIN5
Digital input 5
16
DIN6
Digital input 6
17
CMB
Digital input common B for
DIN4, DIN5 and DIN6
Must be connected to GND or 24V of I/O terminal or to
external 24V or GND
Selection with jumper block X3 (see page 72):
18
AO1+
Analogue signal (+output)
Output signal range:
Current 0(4)–20mA, R
L
max 500 or
Voltage 0—10V, R
L
>1k
Selection with jumper block X6 (see page 72):
19
AO1–
Analogue output common
20
DO1
Open collector output
Maximum U
in
= 48VDC
Maximum current = 50 mA
Table 6-9. Control I/O terminal signals on basic I/O board OPT-A1
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