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USER MANUAL
SINGLE HUMIDIFIER CONFIGURATION (default configuration)
The humidifier is set as "single" (MS=0) and works in autonomous way following the setting
given in S9 variable.
MASTER + SLAVE HUMIDIFIERS CONFIGURATION
In this configuration the humidifiers (up to 6 units) work as if they were a one unit producing
steam according to a common reference given from Master unit.
Moreover the Master manages the pecedences of de-concentration discharge or of various
humidifiers test (included its own) with FIFO (First In First Out) modality (one single de-
concentration discharge at a time) thus ensuring continuity in steam production.
Connection between Master and slave:
The humidifier set as master communicates with various slave humidifiers through a serial
connection RS-485 between various 100-Master electronic controls.
Maximum connection length is not definite but it depends by cable quality and by relation
signal/noise. The length is fixed at about 500 meters.
The connection cable can be shieldless if distance is few meters in an electrically little “noisy”
ambient. For distances included between 15 and 100 meters it is possible to use a shielded and
twisted cable without particular features, whereas for connections over 100 meters it is
suggested to use, for example, BELDEN 8762 cable.
Communication line should be chain-type avoiding star connection.
The shield of used cable should be put to earth to one side. To avoid of lodging the serial
connection RS-485 in the same ducts (or hoses) of supply or power cables.
CHAP. 4 MASTER SLAVE CONFIGURATION
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