Data Sheet for Product

10
Siemens
A6V11439454_en--_d
Smart Infrastructure
2021-03-31
KNX interface
KNX type
Bus current
KNX TP1-64, galvanic isolation.
5 mA
Modbus interface
Modbus type
Transmit mode
Connection
Baud rate
Modbus address
Cable length
Identity
Transmission format (start bit – data – parity
– stop)
RS485
RTU
Support up to 32
9600, 19200 (default), 38400
1-247, 1 (default)
Max.1200 meters
Slave
0 = 1-8-E-1 (default) / 1 = 1-8-O-1 / 2 = 1-8-
N-1 / 3 = 1-8-N-2
Wiring connections
Diameter
Wire
1.5 mm
2
Solid or stranded
Ambient conditions and protection classification
Classification as per EN 60730
Function of automatic control devices
Degree of contamination
Overvoltage category
Type 1
2
III
Design type
Device suited for use with equipment of
safety class II.
Degree of protection of housing to EN 60529
Room automation station
With terminal cover
IP30.
IP30.
Climatic ambient conditions
Transport (packaged for transport) as per
EN 60721-3-2
Operation as per EN 60721-3-3.
Class 2K3
Class 3K5
1)
Mechanical ambient conditions
Transport as per EN 60721-3-2
Operation as per EN 60721-3-3
Class 2M2.
Class 3M2.
1)
No condensation is allowed.
Standards, directives and approvals
Electromagnetic compatibility
For residential, commercial, and industrial
environments
EU conformity (CE)
A5W90010366 (RDF870KN)
*)
A5W90010367 (RDF870MB)
*)