Connection - Weidmuller 1238100000 Transclinic 4i+ Manual De Instrucciones

EN

11. Connection

Electrical connection/disconnection may only be made by qualified technical
personnel, and the following points must be assured:
Be sure that there is no voltage applied to any part of the housing before install-
ing or removing the equipment.
Always use a screwdriver with the correct blade size.
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T he connecting cable must be routed so that it is firmly positioned and fitted
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with a strain relief mechanism.
Power supply. 24 V DC with a switched power supply and galvanised insula-
tion, in the X7 connector, according to the diagram. This product fulfils the Low
Voltage Directive 2006/95/EC, the EMC Directive 2004/108/EC and the Product
Safety Directive 01/95/EC (DIN EN 61010-1).
Communication. Wiring of the Modbus line in connectors X1 and X3.
Opto-coupled Digital inputs. X8 Connector, inputs active at levels between
15 V DC and 24 V DC. It is advisable to use switched power supplies with
galvanised insulation.
Input intensities measurement. Connect the minus pole from the series
circuit of the PV modules to the X1 terminals (for all versions) and to X4 (only
available with the TRANSCLINIC 8i+ and 14i+). If Input X4 is available, we
recommend distributing the load between the two inputs equally.
Intensities measurement common output. Connect the shared connection
for the output currents to the busbar(s) on the circuit board. When connecting
the common negative poles, be sure to use the proper torque on each stud, re-
gardless of whether a cable is connected or not. Always wire the output platens
whose input terminals are connected.
Voltage measurement. Connect the positive pole from the PV string to the X2
connection. If you only need to measure voltage from the PV string without con-
necting any current input or output, then connect the negative pole to the X2
connection. For all other cases, the negative pole of the voltage measurement at
X2 is already connected with the negative pole of the PV string; so no additional
connection is required.
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