WattMaster WCC II - Manual (Page 121)

Section 3: Screen Descriptions
WCC II Operator’s Guide
Operator Interfaces 3-89
Shed/Restore Program #:
Specifi es the number of the program you are currently editing. The
ECC/WCC II system has 10 shed/restore programs.
Shed/Restore based on input:
Specifi es the [analog] point address that acts as the input signal
source for this shed/restore program. For example, if you are
monitoring the kW demand of a building, and the kW meter is
connected to analog input #1 of satellite controller #10, you would
input 10A1. You may also use global analog values for this input.
and schedule:
Specifi es the [binary] point address that provides the schedule
control of the shed/restore program. When this address is zero (or
OFF), the OFF schedule mode is selected. When this address is
one (or ON), the ON schedule mode is selected.
On Schedule Off Schedule
Shed Level:
Restore Level:
When the [analog] input associated with this program rises to the
shed level, the system will start turning off the binary globals which
are listed as “items to be shed.” When the [analog] input associated
with this program falls to the restore level, the system will start
turning the binary globals listed as “items to be shed” back on.
Shed/Restore rate:
Specifi es the time interval the system uses to turn the items on or
off. For example, if you have a shed/restore rate of 1 minute per
item, and the value of the analog input rises above the shed level,
the system will shut off the fi rst binary global (GB5 on the example
screen) and wait one minute. If the analog input value is still above
the shed level, the next global will be turned off (GB7 on the
example screen). This process will continue until the value of the
analog input is below the shed level. After the value of the analog
input falls below the shed level, the system will not turn any binary
globals back on until the analog value falls below the restore level.
At this point, the system will start bringing the binary globals back
on at the time interval specifi ed by the shed/restore rate.
Items to shed:
The user enters the names of the binary globals which will be used
in the shed/restore program. There may be up to 16 items entered
per program. Only binary globals may be entered in these spaces,
but some spaces may be left blank if desired. If a space is left blank,
the system will pause for the amount of time specifi ed by the shed/
restore rate as it comes to the blank space.
Current # of items shed:
This location informs you of the number of item(s) which have
been shed.
SHED/RESTORE SCREEN
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Shed/Restore Program # 1
Shed/Restore based on input: 10A1 and schedule: W1
On Schedule Off Schedule
Shed level: 500.000 KW 700.000 KW
Restore level: 450.000 KW 600.000 KW
Shed/Restore rate: 5 minutes/item
Items to shed: GB5 GB7 GB30 GB200
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