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The screen shows that the operator does not have the right to switch between remote or
local control, i.e. whether the blower is controlled from the operator panel or via the digital
and analog inputs on the PLC. If there is a green tick, the operator has the right to switch
between remote or local control.
The screen shows that the operator does not have the right to adjust the set point(s). If
there is a green tick, the operator has the right to adjust the set point(s).
The screen shows that the operator has the right to start and stop the blower. This is done
via the operator panel. If there is a red cross, the operator does not have the right to start
and stop the blower.
The blower is set by user Tech by:
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Settings - User Tech
User Tech is password protected.
When the user is logged in as Tech, the screen appears with a light blue
border.
Operator rights to operate the blower can be adjusted with the following
submenus. It is Tech´s task to grant the operator the necessary rights to
operate the blower. It is also Tech´s task to reset any error.
log in as Tech
give the operator all rights
go back to main display
adjust the blower as desired
log in again as Tech
give the operator the desired rights
go back to main display
Settings - User Admin
User Admin is password protected.
When the user is logged in as Admin, the screen appears with a medium
blue border.
It is Admin´s task during installation of the blower, to select the operating
mode of the blower, as well as choose how the blower should be controlled.
Admin is usually only used during the installation of the blower.
The icon gives access to the operating mode of the blower
The blower has 4 different operating modes:
1. The blower runs at a fixed speed.
2. The blower delivers a fixed static pressure or vacuum. The pressure is
measured with a pressure transducer connected to the blower control.
3. The blower delivers a fixed air speed. The air speed is measured with a
pressure transducer connected to the blower control.
4. The blower delivers a fixed air velocity. The air velocity is calculated by
checking the air flow as in point 3. In this operating mode, the pipe di-
ameter must be specified to calculate the air velocity.
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