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Gardner Denver
15 Base Load Sequencing (BLS) (Optional)
57
4.
Sequence and Status
Indicator
If the BLS is turned on, this indication shows the current
sequence.
a) Sequence
Indicator
In the example shown above –
– the compressor
on the left is the base load machine; the other
compressors are consecutively activated from left to
right, as the demand for air increases.
b) Status
indicator
The status of the machines in the group is displayed
above the sequence indicator by the following symbols:
No symbol
Compressor not defined
Compressor off-load
Compressor on-load
On-load bar graph
Compressor not available
(switched off, no communication,
fault etc.).
Note
A compressor not available for the BLS will
consequently be moved to the last position in the
sequence.
5.
BLS status information
Full text status information, such as On/Off, remaining
sequence change time, timer-controlled start time etc.
6.
Compressor button
The compressor number, name, actual operating hours,
the running hours (BLS) if applicable (for more
information see chapter 15.11.2)
and the status are
displayed on the compressor button.
Touch a compressor button to view more compressor
information and to configure compressor data.
15.7 Compressor Status Messages (BLS
Group)
Following messages are displayed in normal operation:
Compressor Status Messages
Message
Meaning
Standby
The compressor is ready for
start-up by the master.
Level control drain…
(1)
The motor is starting up.
Off-Load
The compressor is currently off-
load.
On-Load
The compressor is currently
on-load.
On-Load (xxx %)
(1)
Percentage of current
compressed air output flow rate
(min. 100 %)
De-Pressurising...
(1)
The compressor is stopped and
currently unloading.
Load
Requested…
Slave has received a load
request but hasn't started yet.
1) Not displayed for slaves controlled by the compressor
module (STD).