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About the power supply
The currently active control mode is displayed to the right of the
related actual values. For instance, the abbreviation „CV" is dis-
played next to the actual value of voltage, because it means that
„Control voltage" mode is active. The output values are limited
by the active control mode:
- limited by the voltage set value
(CV = Control Voltage)
- limited by the power set values
(CP = Control Power)
- limited by the set value of current
(CC = Control Current)
- limited by the set value for internal resistance
(optional at U/I/R mode), indicated next to the
actual voltage
(CR = Control Resistance)
Additionally to the state of the output an alarm, a warning or a
signal can be displayed:
Alarm
Example:
Warnings
Example:
Signals
Example:
The location from where the unit is currently controlled is dis-
played below the output state. This location is absolute, which
means that you cannot control the unit from elsewhere without
changing the location.
local
Control only possible at the unit
remote
Remote control via digital interfaces
(IF-C1, IF-R1, IF-U1 etc.)
extern
Remote control via analog interface
6.4
Switching the unit on
The unit is switched on with the mains switch. After it has been
switched on, the displays shows the device type and, if pro-
grammed, a user text.
The user text can be entered via one of the digital interface cards
using an included LabView VI. This text is intended to identify a
single unit in an complex environment of multiple units.
After the internal system has been verified and has booted, the
last state of the power supply (set values, alarm management
etc.) is restored. The return state of the output after a mains loss
(power fail error) or after the unit was switched on can be set in
the
Profile
menu.
Operating Guide
PSI 8000 T Series
= Overtemperature
= Overvoltage
= Overcurrent
6.5
Switching the power output on
By pressing the
button the power supply output is switched
on, as long as it is not blocked by the input pin „REM-SB" (13)
of the internal analog interface or input pin „Standby" (11) of a
equipped analog interface card IF-A1, because both have higher
priority. If one of these is preventing to switch the output on by the
button, the display will indicate the status text „auto ON", noticing
the user that the output will switch on as soon as the block from
the pins is removed.
Note
local
in
state (see section 6.9), the pin REM-SB of the analog
interface (internal or external) is inoperative.
The display shows the current state with „ON".
The OFF button switches the power supply output off
(shutdown). This state is displayed with „OFF".
6.6
Adjusting set values
Note
Set values can be adjusted in coarse or fine steps (see table
below for step widths). Switching from coarse to fine or vice
versa is done with the two rotary knobs next to the display.
These also have a pushbutton feature. The last selected mode,
coarse or fine, is not saved when the device is switched off.
After powering the device, coarse mode is active by default with
firmware C3.13 or higher, else fine mode is default.
As long as „extern" or „remote" are not shown in the display, the
set values for voltage, current or power can be set manually.
The mode is selected in the device setup at
value. The setting can be accessed with
General settings
->
Control
the control panel" for details.
Direct setting of the set values
Using the rotary knobs directly sets the set values.
The left rotary knob adjusts the voltage. The set value of the
voltage is displayed inverted while it is selected and adjusted.
The right rotary knob either sets the set value for the current, for
the power (at models from 1 kW) or internal resistance (optional,
unlockable, with U/I/R mode chosen). The selected set value is
displayed inverted.
With the select keys
the set value for the power, with
the set value for the internal resistance or with
the set value for the current is selected.
The maximum adjustable power can also be limited.
Date: 02-05-2016
EN
Accept set
->
Profile
->
panel. See „7.4 Configuring
45
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