Eltek Valere UNV-F 2.5 Instrukcja Użytkownika Pobierz pdf (Strona 15)

DC Controller

UPC4 Master

User Manual

Page 15/100

3.2.3 Power supply inputs/Relay outputs/MSTB Modbus connection

Figure 5. Power supply inputs/Relay outputs/MSTB Modbus connection

3.2.3.1 Power supply

Three power supply inputs are available (see Figure 5

.). The UPC4 must be supplied by 24 VDC ±10%

by external power supply units AC/DC or DC/DC. We recommend using not less than two (n + 1

redundancy) power supplies which are fed by save DC of the system.

Depending on the system (high voltage or low voltage) we

provide DC/DC converters as power supply

for the UPC4 Master as listed below:

Article code Designation

302-UP4-DCDC.LV Power supply, DIN rail mounting, Vi=18-75 VDC; Vo=24 VDC, Imax=2.5 A

302-UP4-DCDC.HV Power supply, DIN rail mounting, Vi=85-375 VDC; Vo=24 VDC, Imax=2.5 A

1 2

1 2 3 4

1 2 3

X8 (Modbus/Profibus)

X12 (Relay 1)

X13 (Relay 2)

X14 (Relay 3)

X2 (Power supply

input 1)

X4 (Power supply

input 3)

X3 (Power supply

input 2)

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 99 100

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Eltek Valere UNV-F 2.5 Instrukcja Użytkownika Strona 15