Pins:
2&3: Selection for Ampere Hours/Mins (Open for Amp-Min, Short for A-Hrs)
4: +ve input of shunt resistance
5: -ve input of shunt resistance
6&7: Short to reset Ampere-Hours/Mins
(parallel with front panel reset)
8&9: Configuration lock for shunt value setting
(Short for allowing changes, Open to lock) 10&11: Line and Neutral of 220V AC mains
12: Mains Earth terminal
13: Normally Open Relay Contact 14: Pole of Relay Contact
15: Normally Closed Relay Contact