Communication Ports - Carel k.Air User Manual

2. Communication ports

k.Air +030220981 rel. 1.1 – 31.03.2020
See the c.pCO manual +0300057EN for the hardware characteristics of the serial ports. The k.Air controller
manages the protocols on the serial ports shown in the table.
Ref. Type/connectors
J3 Disp.
A
pLAN/J10, J11
B BMS 1 Serial Card
C FieldBus 1 Serial Card
D BMS 2/ J25
J4 FBus
E
FieldBus 2/ J26 and
J23
F RJ45
Model Specifications
Integrated on main board
l
HW driver: asynchronous half duplex RS485 pLAN
l
k.Air
Not optically-isolated
l
mini
Connectors: plug-in 4-pin pitch 3.81 (k.Air mini), 6-pin
l
telephone jack + plug-in 3-pin pitch 5.08 (k.Air large)
Maximum cable length: 500 m
l
Max data rate: 38400 bit/s
l
k.Air
Max. no. of connectable devices: 1 (th-tune); 1
l
large
powered by the controller, another 2 powered
externally (pGDE)
Not integrated on main board
l
k.Air
HW driver: not present
l
large
Used for all c.pCO family BMS expansion cards
l
Not integrated on main board
l
k.Air
HW driver: not present
l
large
Used for all c.pCO family BMS expansion cards
l
Integrated on main board
l
HW driver: asynchronous half duplex RS485 Slave
l
Optically-isolated
l
k.Air
3-pin plug-in connector, pitch 5.08 mm
l
large
Maximum cable length: 1000 m
l
Max data rate: 115200 bit/s
l
Max. number of connectable devices: 16
l
Integrated on main board
l
k.Air
HW driver: asynchronous half duplex RS485 Master.
l
mini
J4 not optically-isolated
l
J26 optically-isolated
l
J23 not optically-isolated
k.Air l
Connectors: plug-in 3-pin pitch 3.81 (k.Air mini), pitch
l
large
5.08 (k.Air large)
k.Air
1 Ethernet port, 10/100 Mbps
mini
k.Air 2 Ethernet ports, 10/100 Mbps (100-BASE TX), both
large equivalent
ENG
Protocol
pLAN
l
(pGDE)
Modbus
l
Master
(th-Tune)
pLAN (pGDE)
Modbus
Slave
Modbus
Master
Modbus
Slave
Modbus
Master
TCP/IP
2. Communication ports | 17
Tab.2.a