Siemens POS8.4420/109 - Technical Data

Technical data
6
17 | 32
Siemens
A6V11471220_en--_a
Smart Infrastructure
2018-11-30
6 Technical data
Power supply
Operating voltage
KNX PL-Link DC 21...30 V
Max power consumption
7...10 mA
Interfaces
Type of port between controller and room
operator unit
KNX PL-Link
Baud rate
9.6 kbps
Protocol
KNX PL-LINK
Standard KNX connector
Wire diameter 0.8 mm, max. 1.0 mm (solid conductors
only)
Cable type
2-core twisted pair, stranded, solid
Single cable length (from room automation
station to room operator unit)
<1000 m
Section
0.5…1.5 mm²
Bus line polarity
PL+, PL-
Bus terminating resister
not required
Sensor data
Temperature sensor
Measuring element
NTC resistance sensor
Measuring range
0...50 °C
Measuring accuracy (5...30 °C)
±0.8 °C
Measuring accuracy (25 °C)
±0.5 °C
Ambient conditions and protection classification
Housing protection
Protection standard as per EN 60529
● IP30
● IP33 for surface part
Insulation protection class
Class III
Climatic ambient conditions
● Normal operation
● Transport
● Environmental conditions: Class 3K5
Temperature 0...50 °C
Air humidity <85% r.h.
● Environmental conditions: Class 2K3
Temperature -25...70 °C
Air humidity <95% r.h.
Mechanical ambient conditions
Normal operation
Transport
Class 3M2
Class 2M2