16
KNX serial card
+030220326- rel. 1.0 - 16.05.2017
ENG
8. TECHNICAL SPECIFICATIONS
8.1 Technical specifications
Power supply
12 - 33 V from control board
Power input:
max 200 mW
BUS power supply
21-32V, current draw: 5 mA
BUS
TP1 9600 baud
Maximum number of datapoints
250
Screw terminals
Wire cross-section min. 0.2 mm max. 1.5 mm2 - 30 – 12 AWG
Insulation
TP bus optically isolated from the controller’s ground
Ingress protection
IP00
Operating conditions
-20T60 °C, humidity <85% RH non-condensing
Storage conditions
-20T80 °C, humidity <85% RH non-condensing
Pollution degree
2
Cat. of resistance to heat and fire
Same as the pCO
PTI of insulating material
PTI ≥ 175
Software class and structure
A
Period of stress across the insulating parts
Long
Protection against electric shock
the device guarantees insulation between SELV and the power supply to the controller
Tab. 8.a
To guarantee the correct operation of the card, avoid fitting pCO3 devices
with built-in displays in electrical panels with metal front panels.
Maximum distance
Each line can reach 1,000 m, including all the branches; multiple lines
can be connected together using a “Line coupler”. Two KNX/EIB devices
connected to the same line can be installed a maximum distance of 700
m apart, while each device must not be more than 350 m from the line
power supply.
A maximum of 64 devices can be connected to each segment in the line,
multiple segments can be connected together using couplers to reach
the maximum of 255 devices in each line. Each line can have a maximum
of 3 couplers.
