Industrial
Electronic Devices
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User Manual
M-Bus / M-Bus Wireless / MQTT
Document code: MN67931_ENG Revision 1.200 Page 10 of 49
POWER SUPPLY:
The devices can be powered at 18…35V DC. The consumption depends to the code of the device. For more details see the two tables below.
VDC
Vmin
Vmax
18V
35V
Consumption at 24V DC:
Device
[W/VA]
HD67931-B2-xxxMHz-0
3.5
Device
No Load [W/VA] Full Load [W/VA]*
HD67931-B2-xxxMHz-20, HD67931-B2-20, HD67931-B2-G43-20
3.5
4
HD67931-B2-xxxMHz-40, HD67931-B2-40, HD67931-B2-G43-40
5
HD67931-B2-xxxMHz-80, HD67931-B2-80, HD67931-B2-G43-80
8
HD67931-B2-xxxMHz-160, HD67931-B2-160, HD67931-B2-G43-160
14
HD67931-B2-xxxMHz-250, HD67931-B2-250, HD67931-B2-G43-250
30
* This value is with all the Slave M-Bus devices of the code (20, 40, 80, 160, 250) connected to the line (wired side)
HD67931-B2
Caution: Not reverse the polarity power