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MIW-DCVCX-R-EN-000 - 29 / 06 / 2021
9 - 10
DCVCX-R
INTELLIGENT AIR QUALITY
DUCT SENSOR
5.
Customise the factory settings to the desired ones via the 3SModbus software
or Sensistant (if necessary). For the default factory settings see the
Modbus
register map
of the product.
For the complete Modbus register data, see the Modbus Register Map of the
product. This is a separate document linked to the article code on the website
containing the list of registers. Products with earlier firmware versions may not
be compatible with this list.
NOTE
Optional settings
To assure correct communication, the NBT needs to be activated in only two devices
on the Modbus RTU network. If necessary, enable the NBT resistor via 3SModbus or
Sensistant (
Holding register 9
).
Example 1
Example 2
RX
ТX
NBT
NBT
Slave 2
Master
Slave n
Slave 1
Slave 2
Slave 1
RX
ТX
NBT
NBT
Master
Slave n
On a Modbus RTU network, two bus terminators (NBTs) need to be activated.
NOTE
Do not expose to direct sunlight!
CAUTION
OPERATING INSTRUCTIONS
NOTE
The warm-up time for the sensor to attain its highest accuracy and performance
level once the voltage supply has been applied is 15 minutes. During the warm-up
time TVOC measurements will return 0 ppb.
Calibration procedure:
Sensor calibration is not necessary. All sensor elements are calibrated and tested in
our factory.
In the unlikely event of TVOC sensor element failure, this component can be replaced.
Firmware update
New functionalities and bug fixes are made available via a firmware update. In
case your device does not have the latest firmware installed, it can be updated.
SenteraWeb is the easiest way to update the firmware of the unit. In case you do not
have an internet gateway available, the firmware can be updated via the 3SM boot
application (part of the Sentera 3SMcenter software suite).
NOTE
Make sure the power supply does not get interrupted during “bootload” procedure.