gpelectric.com | [page 3]
1. CONTENTS
2. GETTING STARTED ............................................................................................................... 5
2.1 BATTERY CAPACITY ............................................................................................. 5
2.2 AUXILIARY INPUT (GP-BMK-50) ........................................................................... 5
2.3 IMPORTANT COMBINED BUTTON FUNCTIONS ................................................. 6
3. NORMAL OPERATING MODE ............................................................................................... 7
3.1 READ OUT OVERVIEW ......................................................................................... 7
3.2 SYNCHRONIZING THE GP-BMK-50 ..................................................................... 8
3.3 COMMON PROBLEMS .......................................................................................... 9
4. FEATURES AND FUNCTIONALITY ..................................................................................... 10
4.1 WHY SHOULD I MONITOR MY BATTERY? ........................................................ 10
4.2 HOW DOES THE GP-BMK-50 WORK? ............................................................... 10
4.2.1 BATTERY CAPACITY AND RATE OF DISCHARGE .............................. 10
4.2.2 CHARGE EFFICIENCY (CEF) .................................................................11
4.3 BATTERY STATE-OF-CHANGE DISPLAY OPTIONS ...........................................11
4.4 HISTORY DATA .....................................................................................................11
4.5 USE OF ALTERNATIVE SHUNTS ........................................................................ 12
4.6 AUTOMATIC DETECTION OF NOMINAL SYSTEM VOLTAGE............................12
4.7 ALARM, BUZZER AND RELAY ............................................................................ 13
4.8 INTERFACE OPTIONS ......................................................................................... 14
4.8.1 PC SOFTWARE ...................................................................................... 14
4.8.2 LARGE DISPLAY AND REMOTE MONITORING ................................... 14
4.8.3 CUSTOM INTEGRATION (PROGRAMMING REQUIRED) .................... 14
4.9 ADDITIONAL FUNCTIONALITY OF THE GP-BMK-50 ......................................... 14
4.9.1 AUXILIARY BATTERY MONITORING .................................................... 15
4.9.2 BATTERY TEMPERATURE MONITORING ............................................ 15
4.9.3 MIDPOINT VOLTAGE MONITORING ..................................................... 15
5. FULL SET-UP DETAILS ........................................................................................................ 16
5.1 USING THE MENUS ............................................................................................. 16
5.2 FUNCTIONS OVERVIEW ..................................................................................... 17
5.2.1 BATTERY SETTINGS ............................................................................. 17
5.2.2 RELAY SETTINGS .................................................................................. 19
5.2.3 ALARM·BUZZER SETTINGS ................................................................. 22
5.2.4 DISPLAY SETTINGS .............................................................................. 24
5.2.5 MISCELLANEOUS ................................................................................. 25
5.3 HISTORY DATA .................................................................................................... 26
6. MORE ABOUT PEUKERT’S FORMULA & MIDPOINT MONITORING ............................... 28
6.1 PEUKERT’S FORMULA: BATTERY CAPACITY AND DISCHARGE RATE ......... 29
6.2 MIDPOINT VOLTAGE MONITORING ................................................................... 29
6.2.1 HOW THE % MIDPOINT DEVIATION IS CALCULATED ....................... 30
6.2.2 SETTING THE ALARM LEVEL ............................................................... 30
6.2.3 ALARM·DELAY ....................................................................................... 30
6.2.4 WHAT TO DO IN CASE OF AN ALARM DURING CHARGING .............. 31
6.2.5 WHAT TO DO IN CASE OF AN ALARM DURING DISCHARGING ........ 31
7. LITHIUM IRON PHOSPHATE BATTERIES (LiFeP04) ......................................................... 32
8. DISPLAY................................................................................................................................ 33
9. TECHNICAL DATA ................................................................................................................ 35