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Operating Guide
PSI 9000 3U
DC High Efficiency Power Supply
Attention! This document is
only valid for devices with TFT
display and firmware "KE: 2.09",
"HMI: 2.01" and "DR: 1.6.3" or
higher. For availability of up-
dates for your device check our
website or contact us.
Doc ID: PSI93UTEN
Revision: 01
Date: 12/2014
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Table of Contents
Related Manuals for EPS PSI 9040-170 3U
Summary of Contents for EPS PSI 9040-170 3U
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Page 1: Operating Guide
Operating Guide PSI 9000 3U DC High Efficiency Power Supply Attention! This document is only valid for devices with TFT display and firmware “KE: 2.09”, “HMI: 2.01” and “DR: 1.6.3” or Doc ID: PSI93UTEN higher. For availability of up- dates for your device check our Revision: 01 website or contact us. -
Page 3: Table Of Contents
Grounding of the DC output ......33 3.9.8 Trapezoidal function ........62 2.3.7 Connecting the “Share” bus ......33 3.9.9 DIN 40839 function ........62 EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 3 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de... - Page 4 4.4.3 Calibration procedure ........81 ACCESSORIES AND OPTIONS Overview ............83 SERVICE & SUPPORT General ............83 Contact options ..........83 EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 4 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de...
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Page 5: General
EPS Stromversorgung guarantees the functional competence of the applied technology and the stated performance parameters. The warranty period begins with the delivery of free from defects equipment. Terms of guarantee are included in the general terms and conditions (TOS) of EPS Stromversorgung. Limitation of liability All statements and instructions in this manual are based on current norms and regulations, up-to-date technology and our long term knowledge and experience. -
Page 6: Disposal Of Equipment
• Claims of any sort due to damage caused by non-intended usage will not be accepted. • All damage caused by non-intended usage is solely the responsibility of the operator. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 6 Alter Postweg 101 •... -
Page 7: Safety
• must use the designated and recommended safety equipment. Furthermore, anyone working with the equipment is responsible for ensuring that the device is at all times techni- cally fit for use. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 7 Alter Postweg 101 •... -
Page 8: Responsibility Of The Operator
Qualified persons are those who are able through training, knowledge and experience as well as knowledge of the specific details to carry out all the required tasks, identify dangers and avoid personal and other risks. All work on electrical equipment may only be performed by qualified electricians. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 8 Alter Postweg 101 •... -
Page 9: Alarm Signals
Colour TFT touch screen with gorilla glass, 4.3”, 480pt x 272pt, capacitive Controls: 2 rotary knobs with pushbutton function, 1 pushbutton The nominal values for the device determine the maximum adjustable ranges. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 9 Alter Postweg 101 •... -
Page 10: Specific Technical Data
(2 RMS value: LF 0...300 kHz, PP value: HF 0...20MHz (3 Typical value at 100% output voltage and 100% power (4 The display error adds to the error of the related actual value on the DC output EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 10 Alter Postweg 101 •... - Page 11 (3 For technical specifications of the analog interface see „3.5.4.3 Analog interface specification“ on page 52 (4 All values valid as from 1. July 2014 (5 Article number of the standard version, devices with options will have a different number EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 11 Alter Postweg 101 •...
- Page 12 (2 RMS value: LF 0...300 kHz, PP value: HF 0...20MHz (3 Typical value at 100% output voltage and 100% power (4 The display error adds to the error of the related actual value on the DC output. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 12 Alter Postweg 101 •...
- Page 13 (3 For technical specifications of the analog interface see „3.5.4.3 Analog interface specification“ on page 52 (4 All values valid as from 1. July 2014 (5 Article number of the standard version, devices with options will have a different number EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 13 Alter Postweg 101 •...
- Page 14 (2 RMS value: LF 0...300 kHz, PP value: HF 0...20MHz (3 Typical value at 100% output voltage and 100% power (4 The display error adds to the error of the related actual value on the DC output. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 14 Alter Postweg 101 •...
- Page 15 (3 For technical specifications of the analog interface see „3.5.4.3 Analog interface specification“ on page 52 (4 All values valid as from 1. July 2014 (5 Article number of the standard version, devices with options will have a different number EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 15 Alter Postweg 101 •...
- Page 16 (2 RMS value: LF 0...300 kHz, PP value: HF 0...20MHz (3 Typical value at 100% output voltage and 100% power (4 The display error adds to the error of the related actual value on the DC output. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 16 Alter Postweg 101 •...
- Page 17 (3 For technical specifications of the analog interface see „3.5.4.3 Analog interface specification“ on page 52 (4 All values valid as from 1. July 2014 (5 Article number of the standard version, devices with options will have a different number EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 17 Alter Postweg 101 •...
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Page 18: Views
PSI 9000 3U Series 1.8.4 Views Figure 1 - Front side Figure 2 - Back side (standard version) EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 18 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de... - Page 19 PSI 9000 3U Series EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 19 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de Germany...
- Page 20 PSI 9000 3U Series Figure 5 - View from above EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 20 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de Germany...
- Page 21 For the connection of standard USB sticks up to 32GB, formatted to FAT32. Value tables for the function generator (UI and IU functions) may be loaded or 100 arbitrary function sequences can be loaded or saved. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de...
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Page 22: Construction And Function
1...3 (DR) Commu- HMI (BE) nication (KE) PSI 9000 2U/3U Block diagram Anybus / GPIB (opt.) EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 22 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de Germany... -
Page 23: Scope Of Delivery
GPIB port. This option can be retrofitted upon request. The device will keep the GPIB interface USB and analog interfaces. Via the GPIB port, it can only support SCPI commands. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 23 Alter Postweg 101 •... -
Page 24: The Control Panel (Hmi)
A, V, kW 0-110% nom OVP, OCP etc., related to the physical values Valid also for values related to these physical units, such as OVD for voltage and UCD for current EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 24 Alter Postweg 101 •... - Page 25 Pushbutton function of the knobs The rotary knobs also have a pushbutton function which is used in all menu options for value adjustment to move the cursor by rotation as shown: EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 25 Alter Postweg 101 •...
- Page 26 The name must begin with pv, the rest can be user defined. fc<arbitrary>.csv FC (fuel cell) table for the XY function generator. The name must begin with fc, the rest can be user defined. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 26 Alter Postweg 101 •...
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Page 27: Usb Port Type B (Rear Side)
The input voltage range of the set values and the output voltage range of the monitor val- ues, as well as reference voltage level can be switched in the settings menu of the device between 0-5 V and 0-10 V, in each case for 0-100%. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 27 Alter Postweg 101 •... -
Page 28: Share Bus-Connection
The connection to a PC or other GPIB port is done with standard GPIB cables from stock, which can have straight or 90° connectors. When using cable with 90° connectors, the USB port will be inaccessible. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 28 Alter Postweg 101 •... -
Page 29: Installation & Commissioning
(see „1.8.3. Specific technical data“) • Before connecting to the mains ensure that the connection is as shown on the product label. Overvoltage on the AC supply can cause equipment damage. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 29 Alter Postweg 101 •... -
Page 30: Preparation
On some models the mounting brackets provided to fix the device in a 19” cabinet can be removed so that the device can be operated on any flat surface as a desk top device. Acceptable and inacceptable installation positions: Standing surface EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 30 Alter Postweg 101 •... -
Page 31: Connection To Ac Supply
Therefore the mains cables should be kept as short as possible. Figure 7 - Example for a mains cable (not included in delivery) EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 31 Alter Postweg 101 •... -
Page 32: Connection To Dc Loads
19” cabinet or similar. For type 2 connectors only a horizontal lead can be used to allow for instal- lation of the cover. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 32 Alter Postweg 101 •... -
Page 33: Grounding Of The Dc Output
For an example see Figure 8 below. • In master-slave operation, the remote sensing should be connected to the master unit only EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de... -
Page 34: Installation Of An Anybus Interface Module
The screws can wall of the device. be used to assist in pulling out the module. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 34 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de... -
Page 35: Connecting The Analog Interface
In case of a firmware update, return of the equipment following repair or a location or configuration change, similar measures should be taken to those of initial start up. Refer to „2.3.12. Initial commission“. Only after successful checking of the device as listed may it be operated as usual. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 35 Alter Postweg 101 •... -
Page 36: Operation And Application
CC and this message will be passed as a signal to the analog interface, as well stored as status which can also be read as a status message via digital interface. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de... -
Page 37: Power Regulation / Constant Power / Power Limiting
Clarification: With resistance mode being active, i.e. mode R/I, the function generator will be offline. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 37 Alter Postweg 101 •... -
Page 38: Alarm Conditions
• the product of the output voltage and output current in the DC output reaches the adjusted OPP limit. This function serves to protect the connected load application so that this is not overloaded and possibly damaged due to an excessive power consumption. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 38 Alter Postweg 101 •... -
Page 39: Manual Operation
The menu structure is shown schematically on the following pages. Some setting parameters are self-explanatory, others are not. The latter will be explained on the pages following. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 39 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de... - Page 40 PSI 9000 3U Series EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 40 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de Germany...
- Page 41 PSI 9000 3U Series EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 41 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de Germany...
- Page 42 PSI 9000 3U Series EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 42 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de Germany...
- Page 43 (2QO)“. Device address This is used to define the device address in master-slave operation between 1 and 15 (for slaves), while the master always has 0. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 43 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de...
- Page 44 Settings Username Login to Mailserver, Username Password Login to Mailserver, Password EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 44 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de...
- Page 45 = 1024 Baud) as bus baud rate. Selection „AUTO“ will let the slave device wait for the master to initiate bus traffic in order to detect the baud rate on the bus automatically EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de...
- Page 46 HMI Update With this function the firmware for the control panel can be updated using a USB flash drive. For details refer to „4.3.1 HMI firmware update“ on page 80. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 46 Alter Postweg 101 •...
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Page 47: Adjustment Limits
The actual operating mode, which is indicated in the display while the DC output is switched on, solely depends on the set values. For more information see section „3.2. Operating modes“. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 47 Alter Postweg 101 •... -
Page 48: Manual Adjustment Of Set Values
Decimal values are set by tapping the point key. For example, 54.3 V is set with The display reverts to the main page and the set values take effect.. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 48 Alter Postweg 101 •... -
Page 49: Switching The Dc Output On Or Off
See the external documentation “Programming Guide ModBus & SCPI” if you are using custom software, or refer to the external documentation from LabView VIs or other software provided by the manufacturer. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 49 Alter Postweg 101 •... -
Page 50: Remote Control
* For technical details of the various modules see the extra documentation “Programming Guide Modbus & SCPI” Models with option 3W installed offer an additional pre-installed GPIB port next to the default USB port. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de... -
Page 51: Remote Control Via The Analog Interface (Ai)
VREF (solder bridge or different), so it gives 100% The analog interface is galvanically separated from DC output. Therefore do not con- nect any ground of the analog interface to the DC- or DC+ output! EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 51 Alter Postweg 101 •... - Page 52 ***** The error of a set value input adds to the general error of the related value on the DC output of the device 3.5.4.4 Overview of the Sub-D Socket EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 52 Alter Postweg 101 •...
- Page 53 (front panel) or via command from digital interface. When trying to switch on, a popup in the display resp. an error message will be normal generated. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 53 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de...
- Page 54 Reading actual values The AI provides the DC input values as current and voltage monitor. These can be read using a standard multimeter or similar. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 54 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de...
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Page 55: Alarms And Monitoring
Triggers an alarm if the internal temperature reaches a certain limit. The Display, analog perature DC output will be switched off. IF, digital IF EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 55 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de... - Page 56 The set values can be entered using the ten-key tab. This will appear by tapping the touch area on the particular page, e.g. “4.1 Event U”, showing the rotary knob assignments. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 56 Alter Postweg 101 •...
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Page 57: Control Panel (Hmi) Lock
In the selection screen (right) choose between user profile 1-5 in which the settings are to be saved. The profile will then be displayed and the values can be checked, but not changed. Save using the touch area EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 57 Alter Postweg 101 •... -
Page 58: The Function Generator
300 W then, in this case, the current would be limited to 30 A and, if clamped to an oscilloscope, it would be seen to be capped at 30 A and never achieve the target of 40 A. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de... -
Page 59: Manual Operation
0. Only exception: when applying any function to the current (I), there is no adjustable static current value, so the function would always start from 0 A. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 59 Alter Postweg 101 •... -
Page 60: Sine Wave Function
0.1 ms...36000 s Rising edge time Δt of the triangular wave signal 0.1 ms...36000 s Falling edge time Δt of the triangular wave signal EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 60 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de... -
Page 61: Rectangular Function
1/25 Hz = 40 ms. For a duty cycle of 80% the pulse time (t1) is 40 ms*0.8 = 32 ms and the pause time (t2) is 8 ms. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 61 Alter Postweg 101 •... -
Page 62: Trapezoidal Function
If the curve in sequence 4 should be a sine wave, then these 5 sequences have to be transferred to the arbitrary generator. Sequences EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 62 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de... -
Page 63: Arbitrary Function
If the sequence time were 1 s and the frequency 1 Hz, there would be exactly 1 sine wave. If the time were 0.5 s at the same frequency, there would only be a half sine wave. Seq.time EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 63 Alter Postweg 101 •... - Page 64 (AC) will be created and only the DC settings will be effective. Here start and end values are unequal and a steadily increasing ramp is generated. Seq.time EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 64 Alter Postweg 101 •...
- Page 65 Sequence 3: Horizontal ramp (f = 0) Sequence 4: Falling ramp (f = 0) Sequence 1 Sequence 2 Seq. 3 Sequence 4 EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 65 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de...
- Page 66 The selected file is then checked and loaded, if valid. In case it is not valid, the device will show an error message. Then the file must be corrected and the steps repeated. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 66 Alter Postweg 101 •...
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Page 67: Ramp Function
UI table. The UI function suits very good for the simulation of fuel cell characteristics. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de... - Page 68 Once the file is accepted, you will be requested to remove the USB drive. Submit and load the function with to start and control it as with other function (also see „3.9.4.1. Function selection and control“). EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 68 Alter Postweg 101 •...
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Page 69: Pv Table Function (Photovoltaics)
(0%...100% in 1% steps, see screenshot below) helps to simulate different light situations from darkness (no power output) to the minimal amount of light that is required to make the panel provide full power. Umpp EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 69 Alter Postweg 101 •... -
Page 70: Fc Table Function (Fuel Cell)
It means, the voltage has to decrease from point 1 to point 4, while the cur- rent has to increase. In case the rules are not followed, the device will reject the values with an error and reset them to 0. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 70 Alter Postweg 101 •... - Page 71 Without any load, the voltage will rise to the adjusted Uoc value. Stop the function run anytime as described in 3.9.4.1. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 71 Alter Postweg 101 •...
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Page 72: Remote Control Of The Function Generator
• The function generator is unavailable if R mode (resistance) is activated • Some functions are based on the arbitrary generator, some on the XY generator. Therefore, both generators have to be controlled and configured separately EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 72 Alter Postweg 101 •... -
Page 73: Other Applications
Thus, if e.g. 5 units each with a power of 5 kW are connected together to a 25 kW system, then the master can be set in the range 0...25 kW. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de... - Page 74 The initialising process of the master and the master-slave system will, as long as MS mode is still activated, be repeated each time the units are powered. The initialisation can be repeated anytime via the MENU in GENERAL SETTINGS, PAGE: 9. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 74 Alter Postweg 101 •...
- Page 75 • If multiple alarms happen simultaneously, the master only indicates the most recent one. In this case, the par- ticular alarms can be read from the slave units displays or via digital interface during remote control or remote supervision. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 75 Alter Postweg 101 •...
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Page 76: Series Connection
PC, where grounds are directly tied to PE. In digital remote control, an almost synchronous control can be achieved by using any available Ethernet interface module and sending message as broadcast, so they address multiple units at once. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 76 Alter Postweg 101 •... -
Page 77: Two Quadrants Operation (2Qo)
E.U.T PSU, preferable PSU 1, has to be set to Master for the Share bus connection, no matter if MS operation via the digital MS bus used or not. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 77 Alter Postweg 101 •... - Page 78 When reaching 27 V, the power supply will deliver only the current needed to maintain battery voltage. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 78 Alter Postweg 101 •...
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Page 79: Service And Maintenance
Repeat step 2 for all fuses. Once all fuses have been checked and replaced, and if no other defect is apparent, the device can be reassembled (step 1 in reverse order). EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 79 Alter Postweg 101 •... -
Page 80: Firmware Updates
The firmware of the device, if necessary, is updated via the rear side USB port. For this a software, a so-called “update tool” is needed which is available from EPS Stromversorgung (as download from the website or upon request), together with the firmware update. The update tool guides the user through the update process. -
Page 81: Calibration
The calibration procedure, as explained below, is an example with model PSI 9080-170 3U. Other models are treated the same way, with values according to the particular PSI model and the required load. EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de... - Page 82 Last but not least save the calibration data permanently by tapping Leaving the calibration selection menu without tapping “Save and exit” will discard calibration data and the procedure would have to be repeated! EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 82 Alter Postweg 101 •...
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Page 83: Accessories And Options
Questions or problems with operation of the device, use of optional components, with the documentation or soft- ware, can be addressed to technical support either by telephone or e-Mail. Address e-Mail Telephone EPS Stromversorgung GmbH All issues: Switchboard: +49 821 / 570451-0 Alter Postweg 101 info@eps-germany.de...