User manual

Page 18
EA Elektro-Automatik GmbH
Helmholtzstr. 31-37 • 41747 Viersen
Germany
Fon: +49 2162 / 3785-0
Fax: +49 2162 / 16230
www.elektroautomatik.de
[e-mail]
EL 3000 B Series
• Status display (upper right)
This area displays various status texts and symbols:
Display Description
The HMI is locked
The HMI is unlocked
Remote: The device is under remote control from....
Analog ....the built-in analog interface
USB ....the built-in USB port
Ethernet ....the built-in Ethernet port
Local The device has been locked by the user explicitly against remote control
Alarm: Alarm condition which has not been acknowledged or still exists.
Function: Function generator activated, function loaded
Stopped / Running
Status of the function generator resp. of the function
• Area for assigning the rotary knobs
The two rotary knobs below the display screen can be assigned to various functions. The status area in the display
area depicts the actual assignments. After the device start and in the main screen the default assignment is voltage
(left-hand knob) and current (right-hand knob):
These two values can then be adjusted manually. The decimal place to adjust is underlined, the currently selected
value is displayed in inverted format:
. There are following possible assignments, whereas the right-hand knob
remains assigned to the set value of current:
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
(only with R mode activated)
The other set values can’t be adjusted directly, until the assignment is changed. This is done using the “arrow
down” button, as depicted by this symbol next to the corresponding knob depiction:
. With this being shown, the current assignment is voltage and can be changed to resistance, if resistance
mode is activated, else to power.
1.9.5.2 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 „3.4 Manual operation“ on page 29.
1.9.5.3 Button function of the rotary knobs
The rotary knobs also have a pushbutton function which is used anywhere during value adjustment to shift the
cursor as shown: