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HCS Optional Features User Manual
COSMOS Open Collector Outputs: 15 Wire
The Optically-coupled Open Collector Output 0 (White/BK wire)
indicates whether the vehicle is charging or not. Output 0 will be
pulled low when the EVSE power contactor is energized and is
returned to a logic high five seconds after the contactor opens.
The Optically-coupled Open Collector Output 1 (White) wire
indicates whether a vehicle is connected. Output 1 will be pulled
low when the vehicle is connected and is returned to a logic high
five seconds after the vehicle is disconnected.
These outputs are designed to be compatible with the +12V/1kΩ
Load Management High/Low or High/Off input terminal of the
ClipperCreek CS series products as well as the +5V/10kΩ Load
Management 0 or Load Management 1 of another ClipperCreek
HCS equipped with the COSMOS interface. These outputs operate
as shown in Table 6.
Table 6: COSMOS Open Collector Outputs: 15 Wire
Output
Color
State
Output
Color
State
* The Open Collector Output signals return to the Not Grounded (Logic High) state five
seconds after the vehicle stops charging or after unplugging the vehicle.
Open Collector Output 0
White/BK
Grounded (Logic Low)
Not Grounded (Logic High)
Open Collector Output 1
White
Grounded (Logic Low)
Not Grounded (Logic High)
26
Vehicle
State
Charging
Not Charging*
Vehicle
State
Connected
Not Connected*
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