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IBS DBM20A, Manual

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IBS DBM20A Manual Download Page 21

 

 

21 

 

Solar 

The DBM20AS has a solar input (pink cable) that supports up to 12A charging current. This enables the 
connection of up to 250W panel power. 
When a solar panel is recognized by the system, the Equalize LED flashes green. 
When Equalize mode is active, it is only displayed every 20 seconds in standby mode. At this point, 
Solar cannot be displayed. 

 

 

 

Installation with solar connection kit DBM20AS-SCK 

Standard installation 

The two pink cables are connected to the blue 
compression cable connector. 
In vehicles without a current sensor, the black 
cable can be connected to any earth point. 
 
 
 
 
 
 
 

Installation on vehicles with a current sensor 

 
For vehicles with a current sensor, the black cable 
must be connected to the negative pole of the 
battery. 
 
 

 

 

Summary of Contents for DBM20A

Page 1: ...attery System GmbH Seestrasse 24 CH 3600 Thun Schweiz Tel 41 33 221 06 16 Fax 41 33 221 06 17 E Mail info ibs tech ch IBS DBM20A_en_v2 2 1 doc 1 In Car Charger 20A with DC DC Converter New option Li board battery Manual ...

Page 2: ...ns with Link Start Kit IBS DBMLSK 13 Notice 14 12V 12V System with IBS DBS and Relay 15 Extra functions and applications with IBS DBS 15 DBS software version 8 1 15 DBS software version 2 2 to 8 0 15 DBS analogue versions 15 Notice 16 12V 12V System in Trailer Box 17 Notice 17 24V 12V System with optional IBS DBD Display 18 Notice 18 24V 12V System in Trailer Box 19 Notice 19 24V 12V parallel oper...

Page 3: ...ffer an effective charge which is superior to a conventional dual battery system The 3 main applications are In Car Charger 12V 12V In Car Charger 24V 12V and Trailer Charger 12V 12V When used as In Car Charger 12V 12V there are different IBS modules which can be combined with the DBM20A to get special functionality or extra performance Before installing the DBM20A identify which alternator type i...

Page 4: ...tery The new IBS DBM20A with software V2 9 and additionally installed LinkStartKit or IBS DBS dual battery system activates the dynamic Smart Alternator detection The measurement of various latest vehicles has shown that some smart alternators can switch between classic voltage reduced and smart alternator charging The IBS system monitors the alternator and changes from classic to smart charging a...

Page 5: ...the relay time accordingly Li ion auxiliary batteries are increasingly being used Here it is important to correctly configure the DBM20A for lithium new programming step 1 so that all switching points and control parameters are adjusted and the equalize mode is deactivated If an IBS DBS is also installed on the DBM20A it is very important that the correct programming of the DIP switch settings see...

Page 6: ... 3 Step Optional Equalize After current drops under 3 amps the optional equalize starts only when configured and only once in a month at most In this step the charger boosts the voltage for an additional 0 6V on the battery for a certain period This forces the sulphation to be reversed which helps the battery to last longer and in a better state CAUTION not all the battery types are made for this ...

Page 7: ...7 Combinations of IBS Devices ...

Page 8: ...y switches to the next configuration step after 15 seconds with the corresponding LED flashes quickly After a change the system changes to the next configuration step after only 5 seconds of inactivity If the configuration mode is not started the DBM20A starts with a fast flashing pattern in the default mode Low Level Lead Battery 80 150Ah or the last saved configuration The fallowing settings can...

Page 9: ...levels repeat in a cycle Charge Select Indication Low Level Charge level Low 14 0V Medium Level Charge level Medium 14 4V High Level Charge level High 14 8V Equalize Equalize mode Low Mid High 0 6V only temporary Notice Before configuring the Charge Level determine whether Equalize Mode is necessary for the Aux Battery and whether any appliances are connect to the Aux Battery which could shut down...

Page 10: ...IBS DBS by pushing the link Button on the monitor with IBS DBS make sure to push auto Button when the DBM20A changed to Stand by mode Relay Check List Directly after saving the selected charge level the system automatically starts to check if a relay is installed This only happens with 12V 12V systems The relay check will not be executed if DBM20A is used in a 24V 12V system and it directly change...

Page 11: ...you are going to install Only follow the steps for the specific application The choices are System Description Page 12V 12V System Without options 9 12V 12V System With Link Start Kit 10 12V 12V System With IBS DBS and Relay 12 12V 12V System Trailer Box 14 24V 12V System With optional IBS DBD 15 24V 12V System Trailer Box 16 24V 12V System Parallel Operation 17 First read all the installation ste...

Page 12: ...tage is higher than 13 3V 1 If needed connect the light blue IGN wire on Car Ignition Terminal 15 otherwise leave unconnected 2 Connect all black GND wires 3 Connect the red wire main ATTENTION system is starting up refer to page 8 Programming the system Continue installation only after System has switched to Stand By mode 4 Connect the blue wire aux last New parallel operation 2 DBM20A Two DBM20A...

Page 13: ...n once for 30 minutes respectively twice for 2 hours within 5 seconds A reset of this mode can be done by pushing the Link button for 10 seconds 4 Solar Charge With installed solar panel on Aux battery the Main battery will be charged as well when Aux voltage is higher than 13 5V 5 Fast Charge When the car is started the alternator first charges both Main and Aux battery Fast Charge and then the D...

Page 14: ...arging automatically starts when Main voltage is higher than 13 3V 1 If needed connect the light blue IGN wire on Car Ignition Terminal 15 otherwise leave unconnected 2 Connect the relay with the green wire terminal 86 and a GND wire terminal 85 3 Connect the power wires minimal 25mm 2 between plus main and relay and plus aux and relay 4 Connect all black GND wires 5 Connect now the red wire main ...

Page 15: ... as well when Aux voltage is higher than 13 5V 5 Fast Charge When the car is started the alternator first charges both Main and Aux battery Fast Charge and then the DBM20A switches to DC DC Charge to get a 100 full Charge as configured 6 RBM function Relay Booster Module Function for Link Start when a low Main battery is detected Only available when IGN signal is open light blue wire not connected...

Page 16: ...starts when Main voltage is higher than 13 3V 1 If needed connect the light blue IGN wire on Car Ignition Terminal 15 otherwise leave unconnected 2 Connect IBS DBS as shown above red on plus main blue on plus aux black on GND 3 Connect the relay with the green wire terminal 86 and a GND wire terminal 85 4 Connect the power wires minimal 25mm 2 between plus main and relay and plus aux and relay 5 C...

Page 17: ...tage drops below 11 9V or the alternator kicks in again With all other alternators do not connect the light blue IGN DBM20A stops charging when the Main voltage drops below 12 7V The DC DC Charging automatically starts when Main voltage is higher than 13 3V 1 If needed connect the light blue IGN wire on Car Ignition Terminal 15 with a plug otherwise leave unconnected 2 Connect all black GND wires ...

Page 18: ...rnator kicks in again With all other alternators do not connect the light blue IGN DBM20A stops charging when the Main voltage drops below 25 3V The DC DC Charging automatically starts when Main voltage is higher than 26 2V 1 If needed connect the light blue IGN wire on Car Ignition Terminal 15 otherwise leave unconnected 2 Connect IBS DBD as shown above red on plus main blue on plus aux and black...

Page 19: ...or the alternator kicks in again With all other alternators do not connect the light blue IGN DBM20A stops charging when the Main voltage drops below 25 3V The DC DC Charging automatically starts when Main voltage is higher than 26 2V 1 If needed connect the light blue IGN wire on Car Ignition Terminal 15 with a plug otherwise leave unconnected 2 Connect all black GND wires 3 Connect now the red w...

Page 20: ...ee DBM20A for parallel operation A fuse has to be installed in all separate paths IGN either all the light blue wires are let open or are connected together on terminal 15 Link Prog the yellow Link Prog wires can be let open or can be connected together TAKE CARE THAT ALL DBM20A IN PARALLEL OPERATION HAVE THE SAME CONFIGURATION Charge Level setting Check 24V 12V System with optional IBS DBD Displa...

Page 21: ...played every 20 seconds in standby mode At this point Solar cannot be displayed Installation with solar connection kit DBM20AS SCK Standard installation The two pink cables are connected to the blue compression cable connector In vehicles without a current sensor the black cable can be connected to any earth point Installation on vehicles with a current sensor For vehicles with a current sensor th...

Page 22: ...Relay LED If elements in Check are granted but in what are the conditions aren t 1 Start engine 2 Wait at least 5 seconds after engine started alternator charge start before to check the Relay LED Relay LED is on Relay was found Relay LED is off 1 Push Link Push Button DBMLSK or Link Button IBS DBS 2 Relay check is started 3 After about 2 seconds there will be the indication if relay was found now...

Page 23: ...electable with lithium battery Main Battery Aux Battery LED s Display of main aux battery Status green Battery 13 3V orange Battery condition is normal red Battery 11 8V red flashing Batterie missing Charge Status LED Pattern Meaning Bulk Absorption Equalize Float With fully charged batteries the float charge can be active even when engine is turned off Relay LED Pattern Meaning 30 minutes manual ...

Page 24: ...tery is absolutely fully charged 5 Over current error in the solar controller 6 Flashing Main or Aux Battery Missing battery Main or Aux battery 7 Start up error 8 Over current 9 Internal error 10 Charge error What to do Resetting Errors 1 5 are reset automatically when conditions are normal again Errors 6 9 indicated without the green LED flashing are reset automatically after 30 seconds 24V 12V ...

Page 25: ... 15 4V Relay link time Automatic Mode 10 min to 40 min Depending on Aux Relay manual link times 30 min 2 h Absorption time Min 15 min Max 2 h Equalize time Min 10 min Max 30 min Float Voltage 13 7 V IL 3A Charge current 12V 12V nom max 20 23A Charge current 24V 12V nom max 16 18A Solarpower max 250W 12V Panel Solar charge current 12A Waterproofing Silicon PCB Quality IPC3 RoHS military standard Ef...

Page 26: ..._________ Aux battery type ___________________________________________ My configuration ___________________________________________ Performance solar cell ___________________________________________ Installation Date ___________________________________________ ...

Page 27: ...27 Notes Included IBS DBM20A System IBS DBM20A Manual IBS DBM20A Terminal kit 2 pieces of fuse holders and 30A fuses included ...

Page 28: ...System GmbH Seestrasse 24 3600 Thun Switzerland Phone 41 0 33 221 06 16 Hotline 41 0 33 221 06 18 www ibs tech ch info ibs tech ch MADE IN SWITZERLAND IBS DBM20A Manual date 25 09 2020 Manual version 2 9 5 Software version 2 9 5 ...

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