Alpha Technologies EDSM - Manual (Page 13)

704-721-C0-004, Rev. D 13
Fig. 2-4, Tamper Switch and AUX Connector
2.0 Connectors and Indicators, continued
2.4 AUX and Tamper Connectors
The AUX connector allows the EDSM to monitor two 36Vdc or 48Vdc battery strings. The
TAMPER connector is used for cabinet door detection. Tamper switches are wired in parallel
and connected at this location. The pin numbering and description are shown below:
5 1
2 6
7 3
8 4
1
2
Pin # Description
Tamper Switch
1 Tamper Sense
2 Tamper Sense (logic ground)
AUX Connector
1 Battery 1A Neg
2 Battery 1A Pos (12V)
3 Battery 2A Pos (24V)
4 Battery 3A Pos (36V)
5 Battery 1B Pos (12V)
6 Battery 2B Pos (24V)
7 Battery 3B Pos (36V)
8 Battery 4A or 4B Pos (48V)