Digital Matter Hawk
Watermeter
Connecting a watermeter using Reed switch or H2Q.
Reed switch wiring instructions
Green wire → I/O7 DIN1
White wire → VIN

H2Q wiring instructions
Red wire → I/O7 DIN1
Blue wire → GND
Black wire (Battery) → GND

Ratiometric
Connecting a Ratiometric using BD sensor 5V, Huba sensor 3.3V or Keller sensor 3.3V.
BD sensor 5V wiring instructions
Green wire (Data) → I/O1 AIN1
White wire (Power supply 5V) → I/O2 +VBOOST OUT
Brown wire (GND) → I/O6 SWGND

Huba sensor 3.3V wiring instructions
Green wire (Data) → I/O1 AIN1
Brown wire (Power Supply 3.3V) → I/O5 +3.3V Out
White wire (GND) → I/O6 SWGND

Keller sensor 3.3V wiring instructions
Red wire (Data) → I/O1 AIN1
Black wire (Power supply 3.3 V) → I/O5 +3.3V Out
White wire (GND) → I/O6 SWGND

4-20mA sensor
Connecting a 4-20mA sensor using BD 18.605G, Ratiometric sensor or a 4-20mA plug-in board.
Model: RS-1 - BD 18.605G wiring instructions
White wire (Voltage) → I/O2 +VBOOST OUT
Brown wire (4-20mA) → I/O9 4-20mA
Check the model!
These wiring instruction are solely for model: RS-1. You can find your model type printed on the circuit bord.

Attention!
The following information, regarding the 4-20mA sensor combined with Ratiometric sensor, is no longer applicable. We will try our best to provide you with the correct information as soon as possible.
Ratiometric sensor wiring instructions (AdBlue tank)
Black wire (Voltage) → I/O2 +VBOOST OUT
Brown wire (4-20mA) → I/O9 4-20mA

Ratiometric sensor wiring instructions (Diesel tank)
Green wire (Data) → I/O1 AIN1
Black wire (Voltage) → I/O5 +3.3V OUT
Brown wire (GND) → I/O6 SWGND

Model: 4-20MA - BD 18.605G wiring instructions (multiple tanks)
Brown wire (4-20mA): sensor 1 → I/O1 - IN
Brown wire (4-20mA): sensor 2 → I/O3 - IN
Brown wire (4-20mA): sensor 3 → I/O5 - IN
Brown wire (4-20mA): sensor 4 → I/O7 - IN
White wire (Voltage) → I/O9 +VBOOST OUT
Use a Wago clamp to connect the different cables. Attach the white cables of the different pressure sensors in this clamp, as well as a separate white cable that you will use for the voltage as listed above.
Check the model!
These wiring instruction are solely for model: 4-20MA. You can find your model type printed on the circuit bord.

Other applications
Connecting a Siemens MAG8000 Modbus or 1-Wire.
Siemens MAG8000 Modbus wiring instructions
White wire (GND) → I/O3 RS-485 B
Brown wire (Data) → I/O4 RS-485 A
Black wire (GND) → GND
Red wire (Battery/Power supply 12-24V) → VIN

1-Wire wiring instructions
Green wire (Voltage) → I/O5
White wire (Data) → I/O 8
Brown wire (GND) → GND

Digital Matter Eagle
Connecting the supplied sensor to the gateway.
Supplied sensor wiring instructions
White wire (Vs+) → VOUT (right side of the module)
Brown wire (Vs-) → 4-20mA 1 (left side of the module)

Digital Matter Falcon
Connecting the BD or HUBA sensor to the gateway.
BD sensor wiring instructions
Green → A-IN1
Brown → GND
White → 3.3V

HUBA sensor wiring instructions
Green → A-IN1
White → GND
Brown → 3.3V
