Wireless room unit with CO2 sensor - MIDAM WRU90001
Wireless, battery powered room sensor. The device features temperature, humidity and CO2 sensors. Native modbus map that grants seamless integration into the DDC/ SCADA system. CO2 values are indicated through 3 colour LED in “traffic light“ pattern. The communication is based on the AES128 encrypted Midam KFP protocol, which allows to update the device firmware on a wireless basis.
- Temperature sensor
- Humidity sensor
- CO2 sensor
- LCD display
- Battery power supply
- Wireless transmission
Temperature 
Humidity 
Wireless Function
The wireless room unit measures temperature and relative humidity. It allows to set the desired temperature setpoint and operating modes using the rotating knob. The values are transmitted through the 868 MHz unlicensed band to the WCOM51, or WCOM01 gateways. Embedded AES 128-bit, provides the most secure encryption standard for wireless connections. There is also an option without rotating knob and display available ( refer to WRU90009 room sensor ) to provide a variety of possibilities for building up a project. In asynchronous mode and upon direct pairing with one of the wireless modules for lights and blinds WOUT2x1, it is possible to use the room controller for direct control according to the set value (setpoint with hysteresis). The room unit features a native modbus map with the direct read and write functionality. The modbus map is available in a separate document. All settings and configuration are also stored in a modbus register, directly in the device. It is necessary to pair the device before first use.
Application
- HVAC control systems
- Measurement of temperature, relative humidity and CO₂
- Display of status values
- Wireless integration into the supervisory control system
Pairing
Two devices are required for mutual communication. Both must be powered and located in close proximity to each other. Usually, wireless gateway or configuration dongle is used to set up remote wireless devices. Use look-up function in software tool to display a list of all available devices in range and assign or adjust parameters based on wireless ID code for each single device. There is a comprehensive help section integrated in the software tool to provide support during the wireless device set up procedure.
SCADA system integration
The controller can be integrated into DDC or SCADA systems directly via the WCOM51, or WCOM01 wireless gateways.
Midam KFP Password change
Prior to the first use, the encryption password (default “MIKROKLIMA1234AB”) must be changed using the WUSB01 configuration dongle and the relevant software tool.