User Manual

15
Smart Infrastructure A6V11742346_en--_b
2020-08-24
M-bus master
network
Max. number of level converters in parallel per network Up to 6 slave level converters
Max. number of serial level converters per network 6 level converters, of which 5 repeaters
Bus power Minimum 30 V
Maximum 42 V
Bus current Maximum 90 mA
Protection against short circuits Yes
Galvanic isolation Interface RS-232. Connection to a PC and connection
to an M-bus web server WTV676..
Directives and standards
Product standards EN 62368-1
Information Technology Equipment Safety
Electromagnetic compatibility For residential and industrial environments
EU conformity (CE) A5W00068854A *)
Environmental compatibility
The product environmental declaration A5W00050130 *) contains data on environmentally compatible product
design and assessments (RoHS compliance, materials composition, packaging, environmental benefit, disposal).
*) The documents can be downloaded at http://siemens.com/bt/download.
Degree of protection
IP class IP20 per EN60529
Protection class II per EN 62368-1
Ambient conditions
Operation as per EN 60721-3-3
Climatic conditions Class 3K5
Temperature -20…+55 °C
Air humidity 5...95 % r.h.
Mechanical conditions Class 3M2
Transportation as per EN 60721-3-2
Climatic conditions Class 2K3
Temperature -25..+65 °C
Air humidity 5...95 %
Mechanical conditions Class 2M2
Storage To EN 60721-3-1
Climatic conditions Class 1K3
Temperature -25..+65 °C
Air humidity 5...95 %
Mechanical conditions Class 1M2
Materials and colors
Housing PC + ASA, RAL 9010 (white)