Wattmon modules let you extend the functionality of Wattmon easily. All devices are fully Modbus-RTU compatible and operate over RS-485. They can be used with any third party modbus master if required.
Current Sensing
C1002 Dual Channel 100A Bidirectional Current Sensor
The C1002 device measure two separate current channels using hall effect sensors. You simply need to run the wire carrying current through one of the holes and the current will be measured with an accuracy of 300mA. Multiple C1002 devices can co-exist on the same bus provided they have different IDs.
C752 Dual Channel 75A Bidirectional Current Sensor
The C752 device measure two separate current channels using hall effect sensors. You simply need to run the wire carrying current through one of the holes and the current will be measured with an accuracy of 100mA. Multiple C752 devices can co-exist on the same bus provided they have different IDs.
C502 Dual Channel 50A Bidirectional Current Sensor
The C502 device measure two separate current channels using hall effect sensors. You simply need to run the wire carrying current through one of the holes and the current will be measured with an accuracy of 60mA. Multiple C502 devices can co-exist on the same bus provided they have different IDs.
C252 Dual Channel 25A Bidirectional Current Sensor
The C252 device measure two separate current channels using hall effect sensors. You simply need to run the wire carrying current through one of the holes and the current will be measured with an accuracy of 30mA. Multiple C252 devices can co-exist on the same bus provided they have different IDs.
A5S1 Single Channel Shunt Module
This module can measure a current from a 20mV shunt resistor
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S5 5-Channel Shunt Module
This module can measure currents from 5 different 50mV shunt resistors with bidirection current detection over the full scale.
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I3O2 Data Input and Output Module
The I3O2 module has 3 digital inputs that operate at 5V DC and 2 relay outputs that can handle up to 8A at 250V AC. This module is ideal for controlling simple setups such as water tanks, or chargers for battery banks. The outputs can be used to control higher power relays or SSRs if required.
IF1 Frequency and Pulse Counter Module
The IF1 module can be used to measure any pulsed input such as an anemometer or a flow meter. It will give you the frequency in Hz and can measure up to 1/10 of a Hz resolution. The counter values will update automatically with every pulse and can be used to measure volumes.
IP1 PWM Output with Voltage Sense Module
The IP1 module can be used to control a high current through an SSR. Frequencies between 1 Hz and 2 kHz can be generated, with duty cycles of 0 to 100 percent. A 12-bit ADC can be used to measure high voltage inputs and an option can be set to automatically control the duty cycle based on measured voltage. This can be used to control a dump load or small wind turbine easily.
