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Güralp Certimus, Техническое руководство

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Portable Power Module for Güralp Certimus

Revision History

7 

Revision History

A

2021-05-24

Initial release

MAN-CER-1000

23

Issue A - May 2021

Содержание Certimus

Страница 1: ...able Power Module for G ralp Certimus Technical Manual Document No MAN CER 1000 Issue A May 2021 Designed and manufactured by G ralp Systems Limited 3 Midas House Calleva Park Aldermaston RG7 8EA Engl...

Страница 2: ...ation 7 4 1 2 Putting the PPM into hibernation mode 8 4 1 3 Using the web interface 8 4 1 4 Using a diagnostic cable not supplied 9 4 2 Working with solar panels 9 4 2 1 Connections and polarities 9 4...

Страница 3: ...9 6 1 Understanding Li ion batteries 19 6 1 1 Charge characteristics 19 6 1 2 Temperature issues 20 6 2 Connector pin outs 21 6 2 1 Charge input 21 6 2 2 Power output 22 6 2 3 Charge cable connectors...

Страница 4: ...e for any incidental or consequential damages resulting from the use of this document 1 2 Warnings Cautions and Notes Warnings cautions and notes are displayed and defined as follows Warning A black c...

Страница 5: ...gate the risks of over charging and short circuits It is nevertheless essential that the following warnings are observed at all times Never puncture crush or burn a PPM in any condition Do not discard...

Страница 6: ...adjust its input impedance to draw the maximum power from the connected solar panel regardless of changes in light conditions The Portable Power Module is a single rugged sealed unit and is supplied w...

Страница 7: ...ended before shipping or storage in order to prolong the battery life 4 1 1 Waking the PPM from hibernation The PPM will wake from hibernation when it senses a DC voltage on its charge input The volta...

Страница 8: ...page 19 for more details The PPM can be put into hibernation mode in two ways using the web interface of a connected Certimus or using an RS232 diagnostic cable and a PC with a terminal emulator These...

Страница 9: ...the diagnostic cable is designed to also provide power the PPM will continue to function until the charge input voltage drops below 1 Volt 4 2 Working with solar panels 4 2 1 Connections and polariti...

Страница 10: ...right contains the matching socket contact and this is officially the female connector The illustration below shows the contacts above their corresponding connector bodies male on the left and female...

Страница 11: ...Even strikes some distance from the installation can cause serious damage in two ways induced currents in electrical connections and voltage differences between ground points caused by high currents f...

Страница 12: ...ignment will change A compromise alignment needs to be chosen to maximise the total energy captured across the deployment duration There are many on line Solar Panel orientation calculators available...

Страница 13: ...This is proportional to the amount of energy stored and is shown by the blue curve below It can be seen that in this example the second day has not provided enough energy to fully charge the battery...

Страница 14: ...matically For this reason the PPM has an integrated MPPT Maximum Power Point Tracking charge controller and will automatically track the panel s optimum operating point to ensure that it harvests ener...

Страница 15: ...ary to connect the PPM s Power Out to the Certimus Power Input using the supplied cable The PPM will then immediately output power to the Certimus without requiring further action 4 3 2 Charging The P...

Страница 16: ...imate will restrict the operational possibilities for any given rating of solar panel If in doubt seek local advice where possible The operation of the PPM can be monitored using the web interface of...

Страница 17: ...battery to give an approximate running state of charge of the battery Subsequent to power on the value gets re initialised whenever the battery becomes fully charged BattChargeI The current flowing i...

Страница 18: ...l output voltage measured in volts Instantaneous charging current measured in amps Instantaneous solar power the amount of power which the panel is currently providing measured in watts The meter show...

Страница 19: ...for a lead acid battery for example The terminal voltage varies by less than 0 3 V between 20 and 80 charge Each cell provides a terminal voltage in the range 2 5 V to 4 2 V Only the useful part of th...

Страница 20: ...ce of charge between the two banks 6 1 2 Temperature issues It is important to understand the operational limits of Li ion cells with regard to the temperature conditions at the intended installation...

Страница 21: ...t Negative and RS232 Ground B Charge input Positive C Diagnostic RS232 TxD output D Diagnostic RS232 RxD input E Accessory power output Negative and RS232 Ground F Accessory power output Positive 12 V...

Страница 22: ...ction A Instrument communications RS232 RxD input B Instrument communications RS232 TxD output C Instrument power output Negative D Instrument power output Positive If more than 1 9 amps is drawn this...

Страница 23: ...Portable Power Module for G ralp Certimus Revision History 7 Revision History A 2021 05 24 Initial release MAN CER 1000 23 Issue A May 2021...

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