© 2018 imc Test & Measurement GmbH
imc C-SERIES - Manual, Version 4 R 3 - 2018-10-19
13Power supply
2.2 Power supply
Each device is powered by a DC-supply voltage which is supplied via a 2-pin LEMO-plug.
Type designation LEMO plug:
LEMO plug type designation
The permissible supply voltage range is 10 ... 32 V DC. The product package includes a corresponding
desktop supply unit (15 V DC) as an AC-adapter for mains voltage (110 .. 240 V 50/60Hz). The DC-supply
inputs of our imc measurement devices are not designed for a connection to a DC-grid.
Please note, that the operation temperature of the desktop supply is prepared for 0°C to 40°C, even if
your measurement devices is designed for extended temperature range!
The package also includes a cable with a ready-made LEMO-plug which can be connected to a DC-voltage
source such as a car battery. When using this, note the following:
·
Grounding of the device must be ensured. If the power supply unit comes with a grounding line, it
would be possible to ground the system "by force", by making a connection from this line to the
plug enclosure (and thus to the device ground). The table-top power supply unit is made to allow
this.
This manner of proceeding may not be desirable because it may be desirable to avoid transient
currents along this line (e.g. in vehicles). In this case the ground-connection must be made to the
device directly. For this purpose a (black) banana jack ("CHASSIS") is provided.
·
The feed line must have low resistance, the cable must have an adequate cross-section. Any
interference-suppressing filters which may be inserted into the line must not have any series
inductor greater than 1mH. Otherwise an additional parallel-capacitor is needed.
Pin configuration:
The +pin is marked with a red dot.
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