CIRCUTOR computer SMART Series (Available until stock) User Manual
Page 11
M98235701-03-12A
Computer Smart 6/Computer Smart 12
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Leakage current connection (I)
The leakage current transformer must be connected in such a way that it measures the current of the
capacitor bank. This will detect any leakage in the capacitors of the capacitor bank.
The transformer must have a ratio with 500 spirals and the current measured must not exceed 1 A AC.
Fig. 2.4.- Connecting the leakage current transformer (I
∆
)
Connecting RS-485 Communications elements
The Smart computer regulators can be connected to a computer or another unit by means of the RS-485 bus
series included. With this system, the data can be centralised in a single SCADA registry point (Power
Studio® System).
In a network of equipment, the Smart computer communicates by question-answer (slave).
The Smart computer communicates with the MODBUS RTU© protocol, which enables it to access the
electrical parameter and the main variables and configurations. Contact the manufacturer to obtain the table
of addresses.
See section 4.4. to change the communications configuration.
Fig. 2.5.- Example of an RS-485 network, using Computer Smart 6/12