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EPS Stromversorgung GmbH

Alter Postweg 101 • 86159 Augsburg

Germany

PS 9000 2U Series

Fon: +49 821 / 570451-0

Fax: +49 821 / 570451-25

www.eps-germany.de

[email protected]

1.9 

Construction and function

1.9.1  General description

The electronic high performance power supplies of the PS 9000 2U series are especially suitable for test systems 

and industrial controls due to their compact construction in a 19” enclosure with 2 height units (2U).
For remote control using a PC or PLC the devices are provided as standard with a USB-B slot and an Ethernet 

port on the back side as well as a galvanically isolated analog interface. All interfaces are galvanically isolated up 

to 1500 V DC. 
In addition, the devices offer as standard the possibility for parallel connection in Share bus operation for constant 

current sharing. Operating in this way allows up to 10 units to be combined to a single system with a total power 

of up to 30 kW.
All models are controlled by microprocessors. These enable an exact and fast measurement and display of actual 

values.

1.9.2  Block diagram

The block diagram illustrates the main components inside the device and their relationships.

There are digital, microprocessor controlled components (KE, DR, BE), which can be target of firmware updates.

Controller

(DR)

Commu-

nication

(KE)

Panel

(HMI)

USB

Ana

log

Share &

Sense

PS 9000 2U/3U

Block diagram

ETH

DC

AC

GPIB

(opt.)

Power block

1...3

Power block

1...3

=

≈

 

Содержание 06230204

Страница 1: ...2016 Operating Guide PS 9000 2U DC Laboratory Power Supply Attention This document is only valid for devices with firmware KE 2 07 standard models rep KE 2 03 GPIB models and HMI 2 06 or higher For a...

Страница 2: ......

Страница 3: ...34 2 3 5 Connection to DC loads 34 2 3 6 Grounding of the DC output 35 2 3 7 Connection of remote sensing 36 2 3 8 Connecting the Share bus 36 2 3 9 Connecting the analog interface 36 2 3 10 Connecti...

Страница 4: ...rmany de 4 SERVICEAND MAINTENANCE 4 1 Maintenance cleaning 61 4 2 Fault finding diagnosis repair 61 4 2 1 Replacing a defect mains fuse 61 4 2 2 Firmware update 61 4 3 Calibration readjustment 62 4 3...

Страница 5: ...0 06 2U 06230213 PS 9750 12 2U 06230218 Changes and modifications for special models will be listed in a separate document 1 1 4 Explanation of symbols Warning and safety notices as well as general no...

Страница 6: ...U 3U 4U 19 frame with 2 U 3 U or 4 U Maximum current of the device in Ampere Maximum voltage of the device in Volt Series 8 Series 8000 or 800 9 Series 9000 Type identification PS Power Supply usually...

Страница 7: ...uipment under power sparking may occur which can cause burns as well as damage to the equipment and to the source ESD regulations must be applied when plugging interface cards or modules into the rela...

Страница 8: ...onsibilities for operation maintenance and cleaning of the equipment ensure that all employees who use the equipment have read and understood the manual Furthermore the users are to be regularly schoo...

Страница 9: ...e device or gener ated by the device itself due to a defect Critical The device and or the load could be damaged Signal OCP OverCurrent Shutdown of the DC output due to excess of the preset limit Non...

Страница 10: ...RMS 164 mVPP 34 mVRMS Remote sensing compensation Max 5 UNom Max 5 UNom Max 5 UNom Output voltage fall time at no load after switching DC output off Down from 100 to 60 V less than 10 s Current regula...

Страница 11: ...tegory 2 Protection class 1 Pollution degree 2 Operational altitude 2000 m Digital interfaces Featured 1x USB B 1x Ethernet 2 1x GPIB optional with option 3W Galvanic isolation from device Max 1500 V...

Страница 12: ...60 mVRMS Remote sensing compensation Max 5 UNom Max 5 UNom Max 5 UNom Output voltage fall time at no load after switching DC output off Down from 100 to 60 V less than 10 s Current regulation Adjustme...

Страница 13: ...tegory 2 Protection class 1 Pollution degree 2 Operational altitude 2000 m Digital interfaces Featured 1x USB B 1x Ethernet 2 1x GPIB optional with option 3W Galvanic isolation from device Max 1500 V...

Страница 14: ...mVPP 8 mVRMS 114 mVPP 8 mVRMS 164 mVPP 34 mVRMS Remote sensing compensation Max 5 UNom Max 5 UNom Max 5 UNom Output voltage fall time at no load after switching DC output off Down from 100 to 60 V le...

Страница 15: ...tegory 2 Protection class 1 Pollution degree 2 Operational altitude 2000 m Digital interfaces Featured 1x USB B 1x Ethernet 2 1x GPIB optional with option 3W Galvanic isolation from device Max 1500 V...

Страница 16: ...mVPP 59 mVRMS 190 mVPP 48 mVRMS 212 mVPP 60 mVRMS Remote sensing compensation Max 5 UNom Max 5 UNom Max 5 UNom Output voltage fall time at no load after switching DC output off Down from 100 to 60 V...

Страница 17: ...tegory 2 Protection class 1 Pollution degree 2 Operational altitude 2000 m Digital interfaces Featured 1x USB B 1x Ethernet 2 1x GPIB optional with option 3W Galvanic isolation from device Max 1500 V...

Страница 18: ...2 114 mVPP 8 mVRMS 114 mVPP 8 mVRMS 164 mVPP 34 mVRMS Remote sensing compensation Max 5 UNom Max 5 UNom Max 5 UNom Output voltage fall time at no load after switching DC output off Down from 100 to 60...

Страница 19: ...ategory 2 Protection class 1 Pollution degree 2 Operational altitude 2000 m Digital interfaces Featured 1x USB B 1x Ethernet 2 1x GPIB optional with option 3W Galvanic isolation from device Max 1500 V...

Страница 20: ...0 mVPP 59 mVRMS 190 mVPP 48 mVRMS 212 mVPP 60 mVRMS Remote sensing compensation Max 5 UNom Max 5 UNom Max 5 UNom Output voltage fall time at no load after switching DC output off Down from 100 to 60 V...

Страница 21: ...tegory 2 Protection class 1 Pollution degree 2 Operational altitude 2000 m Digital interfaces Featured 1x USB B 1x Ethernet 2 1x GPIB optional with option 3W Galvanic isolation from device Max 1500 V...

Страница 22: ...ax 49 821 570451 25 www eps germany de info eps germany de Figure 1 Front side Figure 2 Rear side standard version 1 8 4 Views A Mains switch D Exhausts G AC input fuse B Control panel E Share Bus and...

Страница 23: ...lter Postweg 101 86159Augsburg Germany Fon 49 821 570451 0 Fax 49 821 570451 25 www eps germany de info eps germany de PS 9000 2U Series Figure 3 Left hand side view DC termnial type 1 Figure 4 Right...

Страница 24: ...tromversorgung GmbH Alter Postweg 101 86159Augsburg Germany PS 9000 2U Series Fon 49 821 570451 0 Fax 49 821 570451 25 www eps germany de info eps germany de Figure 5 View from above with DC cover ter...

Страница 25: ...3 4 3 Configuration in the setup menu Button Navigates through menus submenus and parameters direction up left Button Navigates through menus submenus and parameters direction down right Button Submi...

Страница 26: ...ed analog interface All interfaces are galvanically isolated up to 1500 V DC In addition the devices offer as standard the possibility for parallel connection in Share bus operation for constant curre...

Страница 27: ...le or mixed with electronic load devices to create test systems Further information in our product catalogue on our website or upon request 1 9 5 Options These options are usually ordered along with t...

Страница 28: ...knobs is either assigned to the DC output current and related parameters or to the DC output power In remote control condition no matter if analog or digital the set values given from remote are disp...

Страница 29: ...20 A can be adjusted in increments of 10 A or 0 1 A also see 1 9 6 4 1 9 6 3 Button function of the rotary knobs The rotary knobs also have a pushbutton function which is used in all menu options for...

Страница 30: ...n a standard browser under the IP or the host name given for the device This website offers to configuration page for network parameters as well as a input box for SCPI commands 2 TCP IP access via a...

Страница 31: ...tor remote sensing If the output voltage has to be dependant on the consumer location rather than the DC output of the power supply then the input Sense can be connected to the consumer where the DC c...

Страница 32: ...hould be disposed of in an environmentally friendly way 2 1 3 Storage In case of long term storage of the equipment it is recommended to use the original packaging or similar Storage must be in dry ro...

Страница 33: ...tion at the approved limit generates heat which must be removed as well as voltage loss which depends on cable length and heating To compensate for these the cable cross section should be increased an...

Страница 34: ...gh nominal current and hence a thick and heavy DC connection cable it is necessary to take account of the weight of the cable and the strain imposed on the DC connection Especially when mounted in a 1...

Страница 35: ...s 2 3 6 Grounding of the DC output Individually operated devices can always be grounded from the DC minus pole i e can be directly connected to PE The DC plus pole however if it is to be grounded may...

Страница 36: ...mer to eliminate oscillation The sense cables must be connected to and to at the load otherwise both systems may be damaged Figure 7 Example for remote sensing wiring 2 3 8 Connecting the Share bus Th...

Страница 37: ...nterfaces and where needed other appropriate documentation especially concerning the use of such interfaces 2 3 12 Initial network setup The device is delivered with default network parameters see 3 4...

Страница 38: ...any de 2 3 13 Commission after a firmware update or a long period of non use In case of a firmware update return of the equipment following repair or a location or configuration change similar measure...

Страница 39: ...t on the adjusted value unless the output current or the output power according to P UOUT IOUT reaches the adjusted current or power limit In both cases the device will automatically change to constan...

Страница 40: ...urrent according to I P U The adjustable set value of current as indicated in the display is always only an upper limit While the DC output is switched on and constant power mode is active then the co...

Страница 41: ...erface as well as alarm status and counter which both can be read via digital interface 3 3 3 Overvoltage An overvoltage alarm OVP will switch off the DC output and can occur if the power supply itsel...

Страница 42: ...red either on or off All set values are always saved and restored 3 4 2 Switching off the device On switch off the last output condition and the most recent set values are saved Furthermore a PF alarm...

Страница 43: ...U max ____V I min ____A I max ____A P max ____W General Settings Calibrate Device Reset Device Communication IP Settings 2 HMI Setup Language English Deutsch Display Setup Language Brightness 1 10 HMI...

Страница 44: ...be restored to the condition prior to switch off DC output after PF alarm 2 Determines how the DC output shall react after a power fail PF alarm has occurred OFF DC output will be switched off and rem...

Страница 45: ...nual setting of the device s IP address in standard IP format Subnet mask Only available with setting Get IP address Manual Default value 255 255 255 0 Permanent manual setting of the subnet mask in s...

Страница 46: ...ower limits for current and voltage can be set which limit the range of the adjustable set values For power only an upper value limit can be set These limits apply to every kind setting a value That a...

Страница 47: ...tting the main display will change after leaving the setup menu and the right hand rotary knob is then either assigned to set value of current or power 3 4 6 Manual adjustment of set values The set va...

Страница 48: ...remotely switched on and off This can be restricted in manual operation by the control panel being locked Switching the DC output on during manual operation or digital remote control can be disabled b...

Страница 49: ...te control via the digital interface is active Remote then remote control is immediately terminated and must be reactivated at the PC once Local is no longer active If remote control is via the analog...

Страница 50: ...al values correspond to 0 10 V at the actual value outputs CMON VMON Input of excess set values e g 5 V in selected 5 V range or 10 V in the 10 V range are clipped by setting the set value at 100 Befo...

Страница 51: ...V ULOW to HIGH typ 3 V Rec d sender Open collector against DGND 6 OT DO Overheating or power fail alarm Alarm OT HIGH UHigh 4 V No Alarm OT LOW ULow 1 V Quasi open collector with pull up against Vcc...

Страница 52: ...cation examples a Switching off the DC output via the pin REM SB A digital output e g from a PLC may be unable to cleanly pull down the pin as it may not be of low enough resistance Check the specific...

Страница 53: ...g is locked It can be switched on or off by pushbutton or digital command LOW inverted HIGH inverted DC output will be switched off and locked Later it can be switched on again by toggling the pin Dur...

Страница 54: ...ote control 1 Switch off the DC output by pulling pin REM SB to the level that corresponds to DC output off then switch it on again See section 3 5 4 7 Application examples for levels and logic How to...

Страница 55: ...m with 3 7 Control panel HMI lock In order to avoid the accidental alteration of a value during manual operation the rotary knobs or the key strip of the control panel HMI can be locked so that no alt...

Страница 56: ...file including language a profile change can also be accompanied by a change in HMI language On calling up the menu page and selecting a profile the most important settings can be seen but not changed...

Страница 57: ...in the parallel operation is simply connected to the next unit using cables with cross section according to the maximum current and with short as possible length 3 9 1 2 Wiring the Share bus The Share...

Страница 58: ...nection is only allowed with devices of the same kind and model i e power supply with power supply like for example PS PSI 9080 120 2U with PSI 9080 120 2U or PS 9080 120 2U Series connection is not s...

Страница 59: ...The maximum approved limits for the application should be set in the power supply This can be done via the interface The electronic load should preferably be in operating mode CV The load will then us...

Страница 60: ...of 26 V at test start DC input s and DC output s of all units switched off In this combination of devices it is recommended to always switch on the DC output of the source first and then the DC input...

Страница 61: ...ith or without guarantee If a return for checking or repair is to be carried out ensure that the supplier has been contacted and it is clarified how and where the equipment should be sent the device i...

Страница 62: ...tions are required A measurement device multimeter for voltage with a max error of half the PS s voltage error That measure ment device can also be used to measure the shunt voltage when readjusting t...

Страница 63: ...brate output value The device will switch on the DC output set a certain current limit while loaded by the load or sink and start to measure the output current I mon 4 The next screen requests you to...

Страница 64: ...tly confirming menu item Save and exit with Leaving the calibration selection menu without saving via Save and exit will discard calibra tion data and the procedure would have to be repeated 5 Accesso...

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