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N + 1 DC Power

System

SEC-40BRM-230

SEC-60BRM-230

SEC-80BRM-230

SEC-100BRM-230

Please read this
manual BEfoRE
installing your
N + 1 DC Power
System

owner's

Manual

1
2
3
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Содержание SEC-100BRM-230

Страница 1: ...N 1 DC Power System SEC 40BRM 230 SEC 60BRM 230 SEC 80BRM 230 SEC 100BRM 230 Please read this manual before installing your N 1 DC Power System Owner s Manual ...

Страница 2: ... Operation 7 Section 4 Cooling Warning for Fan Failure 8 Section 5 Front Panel Controls Indicators 8 SECTION 6 Rear Panel Controls 9 Section 7 Protections 10 Section 8 Installation Operation 10 Section 9 Operation of Battery Backup 11 Section 10 Output Voltage Adjustment 13 Section 11 Installation Removal of Modules 15 Section 12 Trouble Shooting 17 ...

Страница 3: ...SAMLEX AMERICA INC 3 Section 13 Limiting Electromagnetic Interference 18 Section 14 Specifications 20 Section 15 Appendix Figures 1 to 3 21 Section 16 Warranty 23 ...

Страница 4: ...tallations must meet local and national wiring codes and should be performed by a qualified electrician Operation Of Cooling Fan The heat produced is extracted by forced air cooling In case any of the fans fail light and sound alarms will be activated Immediately switch off the power to the unit to prevent damage due to over heating Connection To AC Outlet The power supply should be operated only ...

Страница 5: ...perly Loosely tightened connections result in excessive voltage drop and may cause over heated wires and melted insulation The ends of the cables to be connected to the load and battery terminals on the power supply should have pin type of connector for making a firm conncecton 4 Pieces of pin type connectors are enclosed with the power supply Crimp these to the ends of the cables Use multi strand...

Страница 6: ...odule output delivering up to a maximum of 100A continuous up to 115A surge with 5 base level PCB modules There is provision to connect the power supply to an external battery for backup power in the case of an AC power failure and re charge the battery when AC power resumes Voltage at output terminals load load will be 13 8V nominal please see page 12 for explanation PROVIDES N 1 REDUNDANCY ALLOW...

Страница 7: ...ig 1 and 2 For proper operation of the current share control circuitry a minimum load current is required to flow through each PSM to produce adequate feed back signal This mini mum pre load current is provided by the sum of the currents drawn by the fans and by an internal static load resistor connected across the load output terminals This internal pre load current is kept to the minimum to redu...

Страница 8: ...o monitor the fans for abnormal operating conditions viz open circuit or overload condition due to obstructed rotor Section 5 Front Panel Controls Indicators The following controls and indicators are provided on the front panel 1 A Power on off Switch The rocker switch will illuminate when switched on B Breaker A circuit breaker provides protection on the input side against overload 2 Voltmeter am...

Страница 9: ...nd emitter of each opto coupled transistor are accessible to the external user interface through the 25 pin d sub connec tor Each open collector opto coupled npn transistor can provide a maximum of 50 mA with a collector to emitter voltage of up to 35V Outputs for voltage and current measurements at serials 4 5 above are direct analogue voltages The pin out of the 25 pin d sub connector providing ...

Страница 10: ...lso blow Fan Failure Warning Indicator And Alarm If forced air cooling is stopped due to failure of any one or both the fans the red fan failure LED will be illuminated and an alarm buzzer will be activated At the same time a high signal will be fed to the opto cou pler for signalling fan failure for remote monitoring see page 9 The unit is required to be switched off immediately as loss of forced...

Страница 11: ... strength will increase and the PSM s that were shut down will also operate nor mally 10 Switch the volt amp change over switch to the volt position The voltmeter should read 14V on no load please see explanation on page 12 11 Switch on the d C Loads The output voltage on load should be 13 65V to 13 35V please see explanation on page12 12 Switch the volt amp meter switch to amp position to read th...

Страница 12: ...ll be approximately 0 4V lower than the battery voltage due to forward voltage drop across d2 Availability of AC power is signaled for remote monitoring through an opto coupled signal through the d sub connector see page 9 under Remote Monitoring Signal ling This signal may also be used to indicate that the load is being powered by battery in case external battery is used for battery back up When ...

Страница 13: ... output voltage of the common DC bus before the Schottky Diode D1 will be 14 2V If the output voltage of any module is higher than 14 2V it s LED will remain continu ously lighted but the LEDs of all the other modules will flash randomly The output voltage of the common DC bus before the Schottky Diodes D1 will read the higher voltage of this module Adjusting The Output Voltage Of The Modules At N...

Страница 14: ...nsulate these terminals with insulation tape Remove temporary insulation from the AC connectors for PSM 2 and connect them to PSM 2 Now only PSM 2 can energize Switch on the power supply Only PSM no 2 will operate Adjust the output voltage of this module to the desired value with the help of potentiometer VR1 Fig 1 Meas ure the voltage at the screw terminals S5 and S6 Fig 1 Continue to adjust the ...

Страница 15: ...sting module Remove the screws from the 6 stand offs for the adjacent vacant space for the module 3 Place the module on the stand offs with the l an n terminals Fig 1 Towards the front panel Align the holes and fix the module with the 6 screws Warning Please ensure that screws S5 and S6 are very tight as the pads under these two screws connect the output of the module s to the DC bus bar underneat...

Страница 16: ...t on pages 13 14 the output volt age at the individual modules measured at points S5 S6 of the module as shown at Fig 1 on page 21 is required to be set exactly at the same voltage for proper current share control Each module is factory preset at a voltage of 14 2V with the help of potentiometer VR1 Although the optional module sec 2012mpsb is factory preset at 14 2V it may differ slightly due to ...

Страница 17: ...he defective module and replace with a new module Output voltage drops on load The unit has gone into current limit as the load being drawn is more than the combined maximum rating of the working modules This may also result if one or more modules has failed Check that all the modules are operating properly If a module has failed its green LED would extinguish or flash Reduce the load drawn to a v...

Страница 18: ...necessary relocate either the antenna or the power supply farther apart 4 The receiver may hear the power supply A slowly moving slightly buzzing carrier heard in the receiver may be caused by the antenna being too close As with the transmitter related noise pick up a loose coaxial connector or a broken or a miss ing ground may aggravate this problem Normally these noises will be below the backgro...

Страница 19: ... avoids resonance s at high frequencies reducing the conducted and radiated rf noises even further B Use additional appropriate DC radio frequency interference rfi power line filter immediately after the DC output of the power supply For example 80vdc 100A filter from dc series by corcom www corcom com or 80vdc 100a filter from fd series by curtis industries www curtisind com or similar C Twist th...

Страница 20: ...9A 92A 115A Output Current Limit 48A 72A 96A 120A Output Ripple Peak To Peak 150mV 150mV 150mV 150mV Output Noise Peak To Peak 1V 0 9V 0 8V 0 7V Cooling Forced Air 2 Fans Operating Temperature 0 C to 40 C 32 F to 104 F Protections Short Circuit YES Current Limit YES Fan Failure LED and Buzzer Input Surge Suppression YES Fuse Breaker Module Fuse 250V 4A Unit has a Breaker Dimensions mm inches 19 Ra...

Страница 21: ...ndication Led 2 Terminal for Led Psm Status for Front Panel Indication Jump 1 Jumper Terminal for Connecting Share Bus Wire F1 Fuse Vr1 Potentiometer for Output Voltage Adjustment Figure 2 Daisy Chaining of Share Bus Jumpers Jump 1 PSM 1 PSM 2 PSM 3 PSM 4 PSM 5 Pcb printed circuit board Jump 1 jump 1 jump 1 jump 1 jump 1 1 Female socket terminal of the daisy chain 2 Male 2 pin terminal marked jump...

Страница 22: ...e daisy chain However if any of the sandwiched modules example PSM 2 3 4 is removed the daisy chain is broken In this case the unused female socket for the missing sandwiched module s should be shorted by inserting a shorting link to prevent a break in the daisy chain Fig 3 Unused female socket Shorting link Section 15 Appendix Figures 1 to 3 ...

Страница 23: ...dy the defect after having a reasonable number of opportunities to do so Warranty service shall be performed only by the Warrantor Any attempt to remedy the defect by anyone other than the Warrantor shall render this warranty void There shall be no warranty for defects or damages caused by faulty installation or hook up abuse or misuse of the equipment including exposure to excessive heat salt or ...

Страница 24: ...885 Fax 888 814 5210 Local Numbers Ph 604 525 3836 Fax 604 525 5221 Website www samlexamerica com USA Shipping Warehouse Kent WA Canadian Shipping Warehouse Delta BC Email purchase orders to orders samlexamerica com 11001 SEC 40 60 80 100 BRM 230 0715 ...

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