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15 Base Load Sequencing (BLS) (Optional)
Gardner Denver
58
15.7.1
Messages displayed if a slave is not
available:
If a BLS group Slave is not available (indicated by the
symbol on the “BLS” tab), one of the following alarm
messages will be displayed:
Slave Alarm Messages
Message
Meaning
No communication
No communication can
currently be established with
the slave.
Fault
Fault at the compressor.
Switched off
(1)
The compressor is switched
off and is therefore not
available.
Incorrect configuration
The BLS configuration
states that no
slaves are
connected but the slave is a
compressor.
or
The BLS configuration
states that
slaves are
connected but the slave is a
compressor.
Not
compatible
(1)
The slave is not compatible.
Please check the supported
compressor controllers and
required software versions in
section 15.5 – "Supported
Slave Compressor
Controllers and Required
Software Versions”.
1) Not displayed for slaves controlled by the compressor
module (STD).
15.8 Compressor Settings and
Information Button
If the slave compressor is compatible and
communicating with the master, compressor information
can be obtained and configured by touching the
compressor button. Depending on the slave controller
type, some data are read out by the slave while others
have to be set manually. Therefore, an appropriate
button is provided instead of a simple indication.
Note
Correct compressor settings must be ensured in order
for the BLS to operate faultlessly.
Fig. 59 Example compressor 1
1) Compressor
Name
The compressor name can be modified as required to
match the naming on site. Touch this button to open a
keyboard.
2) Hours
Run
Displays the actual operating hours (Hours run) of the
slave.
For slaves controlled by the compressor module (STD),
set the actual operating hours here by touching the
button.
3) Hours Run (BLS)
The BLS sequence will be redefined regularly on the
basis of the operating hours (BLS) shown here. See
chapter 15.11.2.
If this setting differs from the actual operating hours on
the compressor button, both values are displayed on
the compressor button.
4) Maximum Volume Flow
: Displays the maximum volume flow as defined on
the slave controller. For some slaves this setting must
be configured manually. This can be done by touching
the button.
: Displays the maximum volume flow available at
current line pressure.
5) Line
Pressure
Displays the current line pressure measured by the
slave.
This line is not displayed for slaves controlled by the
compressor module (STD).
6) Software
Version
Displays the software version of the slave.
VS
VS
VS
VS