Carel k.Air, User Manual, Page: 22 / 192

22
Hardware installation
k.air +030220981 rel. 1.2 - 01.12.2020
Important:
• the two 230 Vac or 24 Vac/Vdc inputs on terminals J8 (ID13, ID14) or J19 (ID15, ID16) have the same common pole and
therefore both must have the same voltage (230 Vac or 24 Vac/Vdc). The insulation between the two inputs is functional; there
is reinforced insulation between the inputs and the rest of the controller;
• ID1-ID8, ID9-ID12, ID17, ID18 have functional insulation from the rest of the controller;
• for inputs with direct current voltage (24 Vdc), either the + or - can be connected to the common terminal;
Connection of digital inputs
There are no specifi c constraints on the maximum number of inputs that can be connected. For the k.Air mini controller, see the
fi gure above, while for k.Air large, a possible connection example is shown below. See 0300057EN.
30220980_025_R01
G G0
U1 U2 U3 GND +VDC U4 GND U5 GND
VG VG0 Y1 Y2 Y3 Y4
ID
1
ID
2
ID
3
ID
4
ID
5
ID
6
ID
7
ID
8
IDC1
J1 J2 J3 J4 J5
d r a c S M B d r a c s u B d l e i F
+V
te
rm
GND +5VREF
J24
U6 U7 U8 GND
J6
ID
9
ID10 ID11 ID12 IDC9
J7
ID13H ID13 IDC13 ID14 ID14H
J8
J20
J19
ID15H ID15 IDC15 ID16 ID16H Y5 Y6 ID17 ID18 IDC17 U9 GND U10 GND
G
G0
24 Vac
Fig. 3.q
3.6.3 A nalogue outputs
The controller provides non-optically isolated 0- 10 Vdc analogue outputs powered directly by the controller (k.Air mini), and
optically isolated outputs powered externally (k.Air large). See 0300057EN.
Maximum number of analogue outputs that can be connected
D igital inputs k. A ir mini k. A ir large c.p CO e
0-10 Vdc, optically isolated on Y1, Y2, Y3, Y4, Y5, Y6 0 6 0
0-10 Vdc, optically isolated on Y1, Y2 2 14 0
Tab. 3.n
Characteristics of analogue outputs Y...
Power supply k.Air mini internal; k.Air large external, 24 Vac (+ 10/-15%) or 28-36 Vdc (+ 10/-20%)
on VG (+), VG0 (-) (class 2)
Precision k.Air mini ± 3% full scale; k.Air large ± 2% full scale
Resolution 8 bit
Stabilisation time From 1 s (slew rate 10 V/s) to 20 s (slew rate 0.5 V/s) selectable via SW
Maximum load 1 kΩ (10 mA)
Maximum connection cable length k.Air mini 10 m; k.Air large 30 m
Tab. 3.o
Important:
• for lengths > 10 m, a shielded cable is required, with the shield connected to earth;
• other outputs of the same type can be connected in parallel to a 0-10 Vdc analogue output or an external voltage. The re-
sulting voltage will be the higher value. Correct operation is not guaranteed if actuators with voltage inputs are connected;
• for k.Air large, power analogue outputs VG-VG0 at the same voltage supplied at G-G0: connect G to VG and G0 to VG0. This
applies to both AC and DC power supplies.