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© 2006, Elektro-Automatik GmbH & Co. KG
Irrtümer und Änderungen vorbehalten
EN
Instruction Manual
PSI 8000 2U Series
Date:04-26-2011
Using the power supply
8. Digital interfaces
8.1
General
The power supply supports various interface cards for com-
munication (or analogue control, with IF-A1). All cards are
galvanically isolated up to 2000V.
The digital interface cards IF-R1 (RS232), IF-C1(CAN) and IF-
U1(USB) use a uniform communication protocol. Up to 30 units
can be controlled from a PC at once with these cards.
The GPIB interface IF-G1 (IEEE 488) offers a SCPI command
structure for up to 15 units per bus. The analogue card IF-A1
is a galvanically isolated, analogue interface with configurable
in- and outputs.
The new Ethernet/LAN interface IF-E1 also provides SCPI
command set. It features an additional USB port which makes
the device accessible like with the IF-U1 card.
Another interface card for Profibus, the IF-PB1, completes the
suite of available bus interface cards. The card comes toge-
ther to Generic Station Device (GSD/GSE) files. Via Profibus,
voltage, current, power and device condition can be set and
monitored, other function may be implemented upon request.
The card also features an additional USB port for firmware
updates and alternative control of the device like with the USB
card IF-U1.
8.2
Configuring the interface cards
The interface cards have to be configured once and
each time they’re replaced. This is done using the menu
Communication
.
+
Communi
Slot:
{ IF-… }
depends on what is equipped
Device node
Default:
1
= {1..30}
Up to 30 device nodes (addresses) can be
assigned to device, one per unit. A device node
must only be assigned once if multiple units are
controlled.
If Profibus card IF-PB1 is equipped, this is available instead:
Profibus address
Default:
1
= {1..125}
One of max. 125 possible addresses for slave
can be selected.
An equipped interface card is automatically recognized by the
unit. The menu selection displays the equipped card with its
product code.
Configuring the various cards
Since all cards have different parameters to configure, these
are explained in detail in the corresponding user instruction
manual. Please refer to it.
9. Internal analogue interface
9.1
General
The internal, 15 pole analogue interface is located on the rear
and offers, amongst others, following possibilities:
•
Remote control of current and voltage
•
Remote control of power 0...100% (models from 1kW and
with power regulation)
•
Remote monitoring of status (OT, OVP, CC, CV)
•
Remote monitoring of actual values
•
Remotely switching the output on/off
Useful hints:
•
Controlling the device with analogue voltages requires to
switch it to remote control with pin „REMOTE“ (5).
•
Before connecting the application that is used to control
the power supply, make sure to wire all leads correctly and
check if the application is unable to input voltages higher than
specified (max. 12V).
•
The input REM-SB (remote standby, pin 13) overrides the
pushbutton
ON
. It means, the output can not be switched on
by the button if the pin defines the output state as „off“, except
local
mode is active. Also see section 6.9.
•
The output VREF can be used to build set values for the
set value inputs VSEL, CSEL and PSEL. For example, if
only current control is required, pin VSEL can be bridged to
VREF and CSEL is either fed by an external voltage (0...5V
or 0...10V) or via a potentiometer between VREF and ground.
Also see next section.
•
Putting in set values up to 10V while 0...5V range is selected
will ignore any voltage above 5V (clipping) and keep the set
value at 100%.
•
The ground of the analogue interface are related to mi-
nus output.
9.2
Settings for the analogue interface
+
Analogue int
Analogue in./out.
Digital inputs
Digital outputs
