MSRK 1024
v.1.0
MSRK 27,6V/1A/OC
Buffer, switch mode power supply module
with automatic operation control.
EN**
Edition: 1 from 11.06.2014
Supersedes the edition: ------------
Page 1: ...MSRK 1024 v 1 0 MSRK 27 6V 1A OC Buffer switch mode power supply module with automatic operation control EN Edition 1 from 11 06 2014 Supersedes the edition ...
Page 2: ...ar from the production date CONTENTS 1 Technical description 1 1 General description 1 2 Block diagram 1 3 Description of components and connectors 1 4 Specifications 2 Installation 2 1 Requirements 2 2 Installation procedure 3 Operating status indication 3 1 LED indication 3 2 Technical outputs 4 Operation and use 4 1 Overload or short circuit of the PSU module output 4 2 Running the PSU module f...
Page 3: ... 24 29V adjustment 4 FBAT fuse in the battery circuit F2A 250V 5 Terminals AC AC power input EPS technical output of AC power failure indication hi Z state AC power failure 0V state AC power O K PSU technical output of PSU failure indication hi Z state failure 0V state PSU status O K LoB technical output of low battery voltage indication hi Z state battery voltage UBAT 23V 0V state battery O K BAT...
Page 4: ...atic return Overload protection OLP 110 150 25ºC of power supply manual restart the fault requires disconnection of the DC output circuit Battery circuit SCP and reverse polarity protections F 2A current limitation FBAT fuse in case of a failure fuse element replacement required Surge protection varistors Excessive discharge protection UVP U 20V 5 disconnect of connection battery configuration by ...
Page 5: ...nsformer isolation 1 Output current 1A without battery 2 Output current 0 8A 0 2A battery charge 3 Output current 0 5A 0 5A battery charge Total device current battery 1A max As the PSU module is designed for a continuous operation and is not equipped with a power switch therefore an appropriate overload protection shall be guaranteed in the power supply circuit Moreover the user shall be informed...
Page 6: ...diode indicates the DC supply status in the output of the PSU module Under normal status the diode is permanently illuminated and in case of a short circuit or overload the diode goes off 3 2 Technical outputs The PSU module is equipped with indication outputs EPS technical output indicating AC power failure The output indicates AC power failure Under normal status with the AC supply on the output...
Page 7: ...n on the PCB allowing to run the PSU from the battery when needed To do that press and hold the START button on the unit board for 1 second 4 3 Deep discharge battery protection UVP The power supply is equipped with deep discharge battery protection UVP If the voltage at the battery terminals drops below 20V 0 5V during battery assisted operation the batteries will be disconnected The battery prot...
Page 8: ...ities to carry out the repairs or if the equipment has been conditionally accepted due to the breaking warranty terms by the claimant 7 All the services rendered by force of the warranty are carried out at the service centre of the manufacturer exclusively 8 The warranty does not cover the defects of the equipment resulting from reasons beyond the manufacturer s control mechanical damage improper ...
