Contact Relay Truth Table - Emerson SolaHD SDU DC UPS B Series User Manual

Contact Relay Truth Table

Table 2
UPS Status Pin 1-2
N.C.
Normal
O
mode
Battery
mode
O
(30-100%
SOC)
Battery
mode - Low
Battery
X
(20-30%
SOC)
I
Battery fault
Legend:
X – Contact close
O – Contact open
I - Indeterminate
N.C. - Normally close
N.O. - Normally open
Page: 12
Low Battery
Pin 2-3
N.O.
X
X
O
I
On Battery
Pin 4-5 Pin 5-6
N.C. N.O.
O X
X O
X O
I I
Battery Fault
Pin 7-8 Pin 8-9
N.C. N.O.
O X
O X
O X
X O