User Manual RelAir R2M · 07/2018 · VERSION 1.1
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RELAIR R2M
4 Technical Data
4.1 General Data
Operating temperature
0 to 40 °C
Storage temperature
-20 to 55°C
Humidity
10% to 70% (not condensing)
Terminals cable
Ø
Fixed wire: 0,14 to 1,5 mm
2
/ Flexible wire: 0,14 to 1,0 mm
2
4.2 Housing RelAir R2M PRO
Mounting
Wall mounting
Material
Polystyrene, light-grey
W x L x H
(93 x 93 x 55) mm
Protective class
IP54, IP65 is possible if the cable entry is done carefully
4.3 Housing RelAir R2M HOME
Mounting
Wall mounting or mounting on an in-wall box (60 mm)
Material
ABS, white
B x L x H
(80 x 80 x 25) mm
Protective class
IP40
4.4 Power Supply
M-Bus connection
Power from M-Bus at max. 5 Unit Loads (current <= 7,5 mA)
USB connection
Power from USB (current <= 90 mA)
4.5 Wireless M-Bus Interface
Standard
EN13757-4 and EN13757-3, compatible to OMS
Receive modes
S1, T1, C1 (unidirectional) / Frame Format A and B
Encryption
Mode 0 (not encrypted), Mode 5 or Mode 7
Radio Scan List
Up to 488 devices
Whitelist
Up to 63 devices can be configured