MiniControl
Channel Duplication and Rectifier Control
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The supplementary MiniControl module extends the use of the MiniTrans sensor and MiniTrans power supply by rectifier control and channel duplication functions, when installed in rectifiers.
Installation
The MiniTrans power supply provides a voltage of 8 V DC to MiniControl and MiniTrans. The MiniControl module is driven by the switching input (“TaktMT”) being connected to the MiniTrans switching output (“Takt”).Rectifier Control
As soon as the MiniTrans receives the command to control the rectifier, it will start switching in a special MiniControl switching sequence (“0” or “1”). The corresponding relay output, “LA+” or “LA-“, will then be closed for 200 ms. A fitting rectifier control responds to the closing of the relay contacts and adjusts the output voltage accordingly to a higher or lower value.
MiniControl - Switching Sequences
Channel Duplication
The channel duplication outputs (K1MT, K2MT, MIKMT, GNDMT) must be connected to the MiniTrans measuring inputs. The two electrically isolated channel sides for the channel duplication (K1A, K2A, MIKA, GNDA) and (K1B, K2B, MIKB, GNDB), respectively, have to be connected to the two pipe objects.The switching outputs can be used either separately (TaktA and TaktB) or jointly (TaktMT) for both channel sides.
The MiniTrans controls the channel duplication in the MiniControl switching sequence (“2” or “3”). Both channel sides are measured at intervals of 5 minutes according to the programmed measuring times. The duplicated channels can be assigned independently to the cor¬res¬ponding pipe objects via WinTrans.
