Scanreco RC400, Инструкция по эксплуатации

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Document type Document number Rev Page
Manual 66024
C 13 of 37
3.4 Central unit (CU)
The central unit is manufactured in plastic and is provided with contacts for
connection to the portable control unit (for cable remote operation), for supply
voltage, the electro-hydraulic converter valves, dump valve and ON/OFF functions.
Since the central unit can be exposed to very tough environments, the box is
encapsulated to give protection from damp, heat, cold, dust, vibration and corrosive
environments.
The central unit has short circuit proof inputs and outputs and has protection against
polarity reversal, over-voltage, large incoming voltage transients and EMC / RF.
Connection of the central unit can therefore be made without risk of damage. The
central unit is delivered for supply voltages of +12 / +24 VDC (+/- 20 %) with
negative ground. There is one standard car type fuse located inside the central unit.
Plus fuse: + 10 Amp.
A transformer for standard mains voltages can also be used to provide the central
unit with supply voltage. Primary voltage: 110, 115, 220-240, 380, 440 VAC and
secondary v 12 / +24 VDC (+/- 10%).
The central unit is equipped with:
1. Standard antenna
2. Operational mode switch (Remote/Manual: See Chapter 4.2 Operational
instructions)
3. Cable connector for cable control / Programming port
4. Status LED´s
5. 7-segment LED Display
Figure 3.7 The central unit.
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