Page 21
EA Elektro-Automatik GmbH
Helmholtzstr. 31-37 • 41747 Viersen
Germany
Fon: +49 2162 / 3785-0
Fax: +49 2162 / 16230
www.elektroautomatik.de
EL 9000 B 15U/24U Series
•
Status display (upper right)
This area displays various status texts and symbols:
Display
Description
Locked
The HMI is locked
Unlocked
The HMI is unlocked
Remote:
The device is under remote control from....
Analog
....the built-in analog interface
USB
& others
....the built-in USB port or a plug in interface module
Local
The device has been locked by the user explicitly against remote control
Alarm:
Alarm condition which has not been acknowledged or still exists.
Event:
A user defined event has occurred which is not yet acknowledged.
Master
Master-slave mode activated, device is master unit
Function:
Function generator activated, function loaded
Stopped / Running
Status of the function generator resp. of the function
/
Data logging to USB stick active or failed
•
Area for assigning the rotary knobs
The two rotary knobs next to the display screen can be assigned to various functions. This area shows the actual
assignments. These can be changed by tapping this area, as long as it’s not locked:
The physical quantities on the depiction of the knobs show the current as
-
signment. With an electronic load, the right-hand knob is always assigned
to the current I, while the left knob can be switched by tapping the depiction.
The area will then show the assignment:
U I
P I
R I
Left rotary knob: voltage
Right rotary knob: current
Left rotary knob: power
Right rotary knob: current
Left rotary knob: resistance
Right rotary knob: current
The other set values can’t be adjusted via the rotary knobs, unless the assignment is changed. However, values
can be entered directly with a ten-key pad by tapping on the small icon
. Alternatively to the knob depiction,
the assignment can also be changed by tapping the coloured set value areas.
1.9.6.2
Rotary knobs
As long as the device is in manual operation, the two rotary knobs are used to adjust set values, as well
as setting the parameters in SETTINGS and MENU. For a detailed description of the individual functions
see section
1.9.6.3
Pushbutton function of the knobs
The rotary knobs also have a pushbutton function which is used in all value adjustment to move the cursor by
rotation as shown: