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PSI 9000 2U Series
EA Elektro-Automatik GmbH
Helmholtzstr. 31-33 • 41747 Viersen
Germany
Fon: +49 2162 / 3785-0
Fax: +49 2162 / 16230
1.10.6 The control panel (HMI)
The HMI (
H
uman
M
achine
I
nterface) consists of a display with touchscreen, two rotary knobs, a pushbutton and
a USB-A port.
1.10.6.1 Touchscreen display
The graphic touchscreen display is divided into a number of areas. The complete display is touch sensitive and
can be operated by finger or stylus to control the equipment.
In normal operation the left hand side is used to show actual and set values and the right hand side to display
status information:
Actual voltage display
Voltage set value input
Status area
Actual current display
Current set value input
Touch area for
rotary knob assignment
Actual power display
Power set value input
Touch area MENU
Touch area SETTINGS
Touch areas may be locked. Unlocked touch areas have a frame:
Both touch areas are unlocked
SETTINGS touch area is locked
This applies to all touch areas on the main screen and all menu pages..
•
Actual / set values area (left hand side)
In normal operation the DC output values (large numbers) and set values (small numbers) for voltage, current and
power are displayed. Resistance set value of the variable internal resistance is only displayed by active resistance
mode, and only in SETTINGS.
When the DC output is switched on, the actual regulation mode,
CV, CC, CP
or
CR
is displayed next to the cor-
responding actual values.
The set values can be adjusted with the rotary knobs next to the display screen or can be entered directly via the
touchscreen. When adjusting with the knobs, pushing the knob will select the digit to be changed. Logically, the
values are increased by clockwise turning and decreased by anti-clockwise turning.
General display and settings ranges:
Display
Unit
Range
Description
Actual voltage
V
0-125% U
Nom
Actual values of DC output voltage
Set value voltage
(1
V
0-102% U
Nom
Set value for limiting the DC output voltage
Actual current
A
0-125% I
Nom
Actual value of DC output current
Set value current
(1
A
0-102% I
Nom
Set value for limiting the DC output current
Actual power
W
0-125% P
Nom
Actual value of output power, P = U * I
Set value power
(1
W
0-102% P
Nom
Set value for limiting DC output power
Set value internal resistance
(1
Ω
0-100% R
Max
Set value for the simulated internal resistance
(1
Valid also for values related to these physical units, such as OVD for voltage and UCD for current
