Setec ST20-II Скачать руководство пользователя страница 10

ST – II Series POWER SUPPLIES

USER INSTRUCTIONS

Present Output 

Set Voltage

Conditions Required to 

Enter Operational State

Operational State

New Output Set 

Voltage

Vfloat (No Mains 
Input)

Mains input voltage was 
detected after being absent 
for more than 1 hour.

Loss of mains, boost 
charging mode, active after 
resumption of mains input 
supply (set 15 minute boost 
timer).

Vboost

Vboost (No Mains 
Input)

Mains input voltage was 
detected (this condition 
must also reset the 15 
minute boost period).

Loss of mains boost 
charging mode, active after 
resumption of mains input 
supply (set 15 minute boost 
timer).

Vboost

Vboost

No mains input voltage is 
detected.

Boost charging mode while 
no mains is detected.

Vboost (No 
Mains Input)

Vfloat

Mains input voltage was 
present for more than 24 
hours.

Battery storage mode (set 
24 hour timer).

Vstore

Periodic_Vboost

Periodic boost voltage 
timer has timed out.

Battery storage mode (set 
24 hour timer).

Vstore

Vstore

Battery storage mode timer 
has timed out.

Periodic boost mode (set 
15 minute timer).

Periodic_Vboost

Battery Charging Voltage Over Time

Page 10 of 11

Issue F

24Hrs

15Mins

Periodic VBoost 
(14.05V)

VStore 
(13.25V)

VFloat 
(13.65V)

24Hrs

T rickle Charge 
(0.8Amps)

LVD Close 
(11.5V)

Time 

Содержание ST20-II

Страница 1: ...of the load from an external 13 8V DC power source The units are fully enclosed ready for direct wall mounting All connections are at the rear of unit providing convenient wiring and installation Use...

Страница 2: ...battery will be charging at 0 8A When the battery voltage is sufficient 10 5V for first power up 11 5V and 11 7V for subsequent reconnection with and without mains respectively the LVD will connect th...

Страница 3: ...ll shut down It will attempt to automatically restart every 5 seconds until such case that the fault is removed Fusing Each load circuit and the battery have been fused to provide fault protection and...

Страница 4: ...shut down A minimum ventilation of 20 000mm2 to the outside world must be provided CAUTION Do not install unit in same compartment as batteries or flammable material such as petrol Ensure that the ins...

Страница 5: ...ating QC connector suitable for cable size Connector pin out is shown below Cabling sizes DC cables must be sized to carry the maximum full load current and not exceed the system volt drop requirement...

Страница 6: ...r supply terminal or negative chassis ground If battery is connected to chassis ensure a connection exist from chassis to Batt VE terminal of power supply Battery Disconnection Procedures Battery shou...

Страница 7: ...servicing a battery disconnect the power supply Batteries are electrically alive at all times and must be treated with extreme caution They can supply high short circuit currents even if they appear d...

Страница 8: ...tion 17V Over Current Protection ST20 II 20A to 25A load battery current ST35 II 35A to 38A load battery current Battery Current Limit 10A 1A ST20 II 15A 1A ST35 II Battery Connect Disconnect Connect...

Страница 9: ...A detailed description of the operational requirements for the charging algorithm is described below Present Output Set Voltage Conditions Required to Enter Operational State Operational State New Ou...

Страница 10: ...oost charging mode active after resumption of mains input supply set 15 minute boost timer Vboost Vboost No mains input voltage is detected Boost charging mode while no mains is detected Vboost No Mai...

Страница 11: ...or devices in close proximity 3m and as such do not guarantee that the power supply will not cause interference with devices such as TV s or radios The ST20 II 35 II have been designed with equipment...

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