Rehau NEA SMART 2.0 End User Manual page 42

42 End user manual
NEA SMART 2.0 KNX gateway
Operating voltage KNX
Power consumption KNX Bus
Auxiliary voltage Modbus / SYSBUS
Power consumption Modbus / SYSBUS
Storage temperature
Ambient temperature during operation
Rel. humidity (non-condensing)
Degree of protection (acc. EN 60529)
Protection class
CE conformity / standards
Mounting
Housing
Control elements
Indicators
Connector for KNX Bus
Connector for Modbus / SYSBUS
Connector for Modbus / SYSBUS Support voltage
Cross-section of connectors
Modbus / SYSBUS
KNX operation voltage 30 V DC
ca. 4 mA
12 ... 24 V DC
ca. 5 mA
-25 ... + 70 °C
-5 ... + 45 °C
5 % ... 93 %
IP 20
III
EMC directive 2014 / 30 / EU
RoHS directive 2011 / 65 / EU
EN 50491-3: 2009
EN 50491-5-1: 2010
EN 50491-5-2: 2010
EN 50491-5-3: 2010
EN 61000-6-2: 2005
EN 61000-6-3: 2007 + A1: 2011
EN 50581: 2012
DIN rail mounted device
DIN rail mounted device, width: 1 unit (18 mm)
2 buttons and 1 KNX programming button
3 LEDs multicolour
Red / black
Pluggable screw connector (3 poles) for Modbus
Pluggable screw connector (3 poles) for power supply
0.34 ... 2.5 mm²
Type: RTU (RS-485), Slave / Up to 250 channels