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SMART DLM
4 Wattmeter
The SMART DLM kit contains an external wattmeter, supplied by Ingeteam. The wattmeter must be
installed on a DIN rail.
Through an RS-485 serial communication between the charging point and the wattmeter, the charging
point obtains the wattmeter readings in order to automatically adjust the maximum available power for
recharging electric vehicles at the installation.
The connection varies, depending on the wattmeter model installed:
-
Direct measue: wattmeter used in installations with a consumption of under 65 A per phase.
-
Indirect measue: used in three phase installations with a consumption of more than 65 A.in
any of the phases (current transformers are required).
4.1 Direct measure wattmeter connection
4.1.1
EM540
All connections must be made with the power disconnected.
A
D
E
The protective covers protect against direct electrical contact. They should be removed in order to
make the connections and replaced once the connections have been made.
Make the connections as shown in the following figures.
ABW2012IQM01_E.docx
Voltage inputs / Current inputs
Navigation and settings buttons
Digital input, digital output and communication connections
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