The device has the following connection terminals / LED

A

Ethernet connection

B

USB connection (no function)

C

Antenna connection

D

Terminals A, B, C:
For max. 250 M-bus devices connected via a level converter

Terminals M1 and M2:
For max. 20 M-bus devices connected directly or for 250 M-bus devices connected via a level converter

E

Terminals (16) and (17): Power supply AC/DC 24 V

F

Terminals (12) and (13): Relay connections for digital output 1, max. AC/DC 30 V

G

Terminals (14) and (15): Relay connections for digital output 2, max. AC/DC 30 V

H

Terminals (9), (10), and (11): Connections for the digital inputs.

Terminal (8): Reference for digital inputs

I

Terminals (6) and (7) are not used.

Do not apply electricity to these terminals.

 

NOTICE
Power supply DC 24 V

The M-bus IoT gateway can be powered directly from level converter WTX631.. with DC 24 V.