
13
Communication ports
k.air +030220981 rel. 1.2 - 01.12.2020
2. COMMUNICATION
PORTS
See the c.pCO 0300057EN for the hardware characteristics of the serial ports. The k.Air controller manages the proto-
cols on the serial ports shown in the table.
R
ef.
Type/connectors
Model
S
pecifi cations
P
rotocol
A
J3 Disp.
k.Air mini
• Integrated on main board
• HW driver: asynchronous half duplex RS485 pLAN
• Not
optically-isolated
• Connectors: plug-in 4-pin pitch 3.81 (k.Air mini), 6-pin
telephone jack + plug-in 3-pin pitch 5.08 (k.Air large)
• Maximum cable length: 500 m
• Max data rate: 38400 bit/s
• Max. no. of connectable devices: 1 (th-tune); 1 powered
by the controller, another 2 powered externally (pGDE)
• pLAN
(pGDE)
• Modbus Master
(th- Tune)
pLAN,/J10, J11
k.Air large
pLAN (pGDE)
B
BMS 1 Serial Card
k.Air large
• Not integrated on main board
• HW driver: not present
• Used for all c.pCO family BMS expansion cards
Modbus Slave
C
FieldBus 1 Serial Card
k.Air large
• Not integrated on main board
• HW driver: not present
• Used for all c.pCO family BMS expansion cards
Modbus Master
D
BMS 2/ J25
k.Air large
• Integrated on main board
• HW driver: asynchronous half duplex RS485 Slave
• Optically-isolated
• 3-pin plug-in connector, pitch 5.08 mm
• Maximum cable length: 1000 m
• Max data rate: 115200 bit/s
• Max. number of connectable devices: 16
Modbus Slave
E
J4 FBus
k.Air mini
• Integrated on main board
• HW driver: asynchronous half duplex RS485 Master.
• J4 not optically-isolated
• J26
optically-isolated
• J23 not optically-isolated
• Connectors: plug-in 3-pin pitch 3.81 (k.Air mini), pitch
5.08 (k.Air large)
Modbus Master
FieldBus 2/ J26 et J23
k.Air large
F
RJ45
k.Air mini
1 Ethernet port, 10/100 Mbps
TCP/IP
k.Air large
2 Ethernet ports, 10/100 Mbps (100-BASE TX), both
equivalent
Tab. 2.a
30220980_047_R01
C1
NO1
NO2
NO3
C1
C4
NO4
NO5
NO6
C4
C7
NO7
C7
NO8
C8
NC8
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
J14
J10
J13
J12
J15
d
r
a
c
S
M
B
d
r
a
c
s
u
B
d
l
e
i
F
4 3 2 1
Tx/Rx
J11 pLAN
GND
J25 BMS2
Tx/Rx GND
Tx/Rx GND
J26 FBus2
+V
te
rm
GND
+5VREF
J24
+
XXXXXXXXXXXX
U6
U7
U8
GND
J21
J19
J20
J22
J16
J17
J18
J6
NO14
C14
NC14
NO15
C15
NC15
C16
NO16
NO17
NO18
C16
ID15H
ID15
IDC15
ID16
ID16H
Y5
Y6
ID17
ID18
IDC17
U9
GND
U10
GND
J23 FBus2
C9
NO
9
NO1
0
NO11
C9
NO12
C12
NC12
NO13
C13
NC13
ID
9
ID10
ID11
ID12
IDC9
J7
ID13H
ID13
IDC13
ID14
ID14H
J8
Tx/Rx GND
28
A
F
D
E
C
B
30220980_048_R01
A
E
F
Fig. 2.a
Fig. 2.b
Содержание k.Air
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