Electrical cabling and connections
vacon • 99
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
6
5
GND/AI2–
Analogue input
common
Differential input if not connected to ground;
Allows
±
20 V differential mode voltage to GND
6
24 V
out
(bidirectional)
24 V auxiliary voltage
±
15%, maximum current 250 mA
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. 5 k
Ω
18...30 V = "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 24 V of I/O
terminal or to external 24 V or GND
Selection with jumper block X3 (see
page 102):
12
24 V
out
(bidirectional) 24 V auxiliary voltage
Same as terminal #6
13
GND
I/O ground
Same as terminal #7
14
DIB4
Digital input 4
R
i
= min. 5 k
Ω
15
DIB5
Digital input 5
16
DIB6
Digital input 6
17
CMB
Digital input common B
for DIB4, DIB5 and DIB6
Must be connected to GND or 24V of I/O
terminal or to external 24 V or GND
Selection with jumper block X3 (see
page 102):
18
AO1+
Analogue signal (+out-
put)
Output signal range:
Current 0(4)–20 mA, R
L
max 500
Ω
or
Voltage 0—10 V, R
L
>1 k
Ω
Selection with jumper block X6 (see
page 102):
19
AO1–
Analogue output
common
20
DO1
Open collector output
Maximum U
in
= 48 VDC
Maximum current = 50 mA
OPT-A2
21
RO1/1
Relay output 1
Max. switching voltage
250 VAC, 125 VDC
22
RO1/2
Max. switching current
8 A/24 VDC,
0.4 A/250 VDC
23
RO1/3
Min. switching load
5 V/10 mA
24
RO2/1
Relay output 2
Max. switching voltage
250 VAC, 125 VDC
25
RO2/2
RO2/3
Max. switching current
8 A/24 VDC,
0.4 A/250 VDC
26
Min. switching load
5 V/10 mA
Table 46. Control I/O terminal signals
Terminal
Signal
Technical information
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