EPS Stromversorgung PSB 9000 3U Slave series Operating Manual

Bidirectional dc power supply
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Operating Guide
PSB 9000 3U Slave
Bidirectional DC Power Supply
Doc ID: PSB9SEN
Revision: 01
Date: 06/2018

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Summary of Contents for EPS Stromversorgung PSB 9000 3U Slave series

  • Page 1 Operating Guide PSB 9000 3U Slave Bidirectional DC Power Supply Doc ID: PSB9SEN Revision: 01 Date: 06/2018...
  • Page 3: Table Of Contents

    PSB 9000 3U Slave Series TABLE OF CONTENTS GENERAL OPERATION AND APPLICATION Terms ............29 About this document ........4 Personal safety ..........29 1.1.1 Retention and use ..........4 1.1.2 Copyright ............4 Operating modes .........29 1.1.3 Validity ............4 3.3.1 Voltage regulation / Constant voltage ..29 1.1.4...
  • Page 4: About This Document

    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 5: Disposal Of Equipment

    PSB 9000 3U Slave Series Disposal of equipment A piece of equipment which is intended for disposal must, according to European laws and regulations (ElektroG, WEEE) be returned to the manufacturer for scrapping, unless the person operating the piece of equipment or an- other, delegated person is conducting the disposal.
  • Page 6: Safety

    PSB 9000 3U Slave Series Safety 1.7.1 Safety notices Mortal danger - Hazardous voltage • All work on connections must be carried out under zero voltage (DC terminal not con- nected to load) and may only be performed by qualified and informed persons. Improper actions can cause fatal injury as well as serious material damage.
  • Page 7: Responsibility Of The Operator

    PSB 9000 3U Slave Series 1.7.3 Responsibility of the operator Operator is any natural or legal person who uses the equipment or delegates the usage to a third party, and is responsible during its usage for the safety of the user, other personnel or third parties.
  • Page 8: Alarm Signals

    PSB 9000 3U Slave Series 1.7.5 Alarm signals Alarm conditions, not danger situations, are signalled on the front of this slave device in form of a red LED “Error” (also see section 1.8.4.). Because the models of this series are designed to run as slave units in a master-slave system, the master unit will indicate alarms in its own available ways.
  • Page 9: Specific Technical Data

    PSB 9000 3U Slave Series 1.8.3 Specific technical data Model Slave 15 kW PSB 9060-360 PSB 9080-360 PSB 9200-210 PSB 9360-120 AC Input Voltage range (L-L), frequency 342..528 V AC Connection 3ph, PE 3ph, PE 3ph, PE 3ph, PE Frequency range...
  • Page 10 PSB 9000 3U Slave Series Model Slave 15 kW PSB 9060-360 PSB 9080-360 PSB 9200-210 PSB 9360-120 Power regulation Adjustment range 0…15.3 kW 0…15.3 kW 0…15.3 kW 0…15.3 kW Accuracy (at 23 ± 5°C) < 1% P < 1% P <...
  • Page 11 PSB 9000 3U Slave Series Model Slave 15 kW PSB 9500-90 PSB 9750-60 PSB 91000-40 PSB 91500-30 AC Input Voltage range (L-L), frequency 342..528 V AC Connection 3ph, PE 3ph, PE 3ph, PE 3ph, PE Frequency range 45 - 65 Hz...
  • Page 12 PSB 9000 3U Slave Series Model Slave 15 kW PSB 9500-90 PSB 9750-60 PSB 91000-40 PSB 91500-30 Power regulation Adjustment range 0…15.3 kW 0…15.3 kW 0…15.3 kW 0…15.3 kW Accuracy (at 23 ± 5°C) < 1% P < 1% P <...
  • Page 13: Views

    PSB 9000 3U Slave Series 1.8.4 Views Figure 1 - Front view Figure 2 - Rear view EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 13 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de...
  • Page 14 PSB 9000 3U Slave Series EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 14 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de Germany...
  • Page 15 PSB 9000 3U Slave Series Figure 5 - Top view EPS Stromversorgung GmbH Fon: +49 821 / 570451-0 www.eps-germany.de Page 15 Alter Postweg 101 • 86159 Augsburg Fax: +49 821 / 570451-25 info@eps-germany.de Germany...
  • Page 16: Control Elements

    PSB 9000 3U Slave Series 1.8.5 Control elements Figure 6 - Control Panel Overview of the elements of the control panel For a detailed description see section „1.9.4. The control panel (HMI)“. On/Off button Can be used to switch the DC terminal on or off during manual operation, while LED “Remote” = off USB port For quick and easy access to the most important DC terminal related values when the device is not in master-slave mode.
  • Page 17: Construction And Function

    General description The power supplies of the PSB 9000 3U Slave series are so-called bidirectional devices, incorporating the func- tion of a laboratory power supply (source) and an electronic load (sink) into one unit. They allow for easy setup of applications according to the source-sink principle with a minimum of required hardware and cabling.
  • Page 18: Scope Of Delivery

    PSB 9000 3U Slave Series 1.9.3 Scope of delivery 1 x Power supply device 1 x Share Bus plug 1 x Remote sensing plug 1 x 1.8 m USB cable 1 x Set of DC terminal covers 1 x Share/Sense terminal cover (only with models from 750 V)
  • Page 19: Usb Port Type B (Rear Side)

    PSB 9000 3U Slave Series 1.9.5 USB port type B (rear side) The USB-B port on the rear side of the device is provided for communication with the device, i.e. monitoring during master-slave operation or full remote control in stand-alone operation, as well as for firmware updates. The included USB cable can be used to connect the device...
  • Page 20: Installation & Commissioning

    PSB 9000 3U Slave Series Installation & commissioning Transport and storage 2.1.1 Transport • The handles on the front side of the device are not for carrying! • Because of its weight, transport by hand should be avoided where possible. If unavoidable then only the housing should be held and not on the exterior parts (handles, DC terminal terminal, rotary knobs).
  • Page 21 PSB 9000 3U Slave Series There are several possible combinations of standard models and Slave models: Combination 1: Multiple PSB 9000 3U (with display) All models of the standard series can be combined to themselves in master-slave (up to 10 units on one bus) Advantage of this combination: every unit could be master or slave;...
  • Page 22: Installing The Device

    AC supply AC supply connection for the PSB 9000 3U Slave series is done via the included 5 pole plug on the rear of the device. Wiring of the plug is always 4-strand (L1+L2+L3+PE) with suitable cross section and length. For recom- mendations for cable cross section see „2.3.4.
  • Page 23: Connection To Ac Supply

    PSB 9000 3U Slave Series 2.3.4 Connection to AC supply • Connection to an AC mains supply may only be carried out by qualified personnel! • Cable cross section must be suitable for the maximum input current of the device (see tables below)! • Before plugging in the input plug ensure that the device is switched off by its mains switch! The device is delivered with a 5 pole AC plug. Depending on model, the plug is connected to a 2-phase or 3-phase AC supply, according to the labelling on the plug.
  • Page 24 PSB 9000 3U Slave Series 2.3.4.3 Strain relief and plug fixture There is a standard fixture mounted to the AC input con- nection block on the rear. It is used to prevent the AC plug from loosening and disconnecting due to vibrations or similar. The fixture is also used as strain relief. Being tied to the AC input block with 4x M3 acorn nuts, it is recommend to mount the fixture every time the AC plug has been removed.
  • Page 25: Connection To Dc Loads

    PSB 9000 3U Slave Series 2.3.5 Connection to DC loads • In the case of a device with a high nominal current and hence a thick and heavy DC connec- tion cable it is necessary to take account of the weight of the cable and the strain imposed on the DC connection.
  • Page 26: Grounding Of The Dc Terminal

    PSB 9000 3U Slave Series 2.3.5.2 Cable lead and plastic cover A plastic cover for contact protection is included for the DC terminal. It should always be installed. The cover for type 2 (see picture above) is fixed to the connector itself, for type 1 to the back of the device. Furthermore the cover for type 1 has break outs so that the supply cable can be laid in various directions.
  • Page 27: Connecting The "Share" Bus

    PSB 9000 3U Slave Series Figure 8 - Example for remote sensing wiring with a load in source mode 2.3.8 Connecting the “Share” bus The “Share” bus connector on the rear side is intended to balance the current of multiple units in parallel operation, especially when using the integrated function generator of the master unit.
  • Page 28: Initial Commission

    PSB 9000 3U Slave Series 2.3.10 Initial commission For the first start-up after installation of the device, the following procedures have to be executed: • Confirm that the connection cables to be used are of a satisfactory cross section! • Check if the factory settings of set values, safety and monitoring functions and communication are suitable for your intended application of the device and adjust them if required, as described in the manual! • In case of remote control via PC, read the additional documentation for interfaces and software!
  • Page 29: Terms

    PSB 9000 3U Slave Series Operation and application Terms The device is a combination of a power supply and an electronic load. It can work alternatingly in one of two superior operation modes which are distinguished from each other in several parts of this document below: • Source / source mode:...
  • Page 30: Current Regulation / Constant Current / Current Limiting

    PSB 9000 3U Slave Series Depictions: Example for neg. load step: the DC output will rise Example for pos. load step: the DC output will collapse above the adjusted value for a short time. t = transient below the adjusted value for a short time. t = transient time to settle the output voltage.
  • Page 31: Internal Resistance Regulation (Source Mode)

    PSB 9000 3U Slave Series 3.3.4 Internal resistance regulation (source mode) Internal resistance control (abbr. CR) of power supplies is the simulation of a virtual internal resistor which is in series to the voltage source and thus also in series to the load. According to Ohm’s law, this causes a voltage drop, which will result in a difference between adjusted output voltage and actual output voltage. This will work in...
  • Page 32: Sink-Source Mode Switching

    PSB 9000 3U Slave Series 3.3.6 Sink-source mode switching The switchover between sink and source mode happens automatically and only depends on the device’s voltage setting and actual value on the DC terminal or the remote sense connector, if in use.
  • Page 33: Alarm Conditions

    PSB 9000 3U Slave Series Alarm conditions This section only gives an overview about device alarms. What to do in case your device indi- cates an alarm condition is described in section „3.7. Alarms and monitoring“. As a basic principle, all alarm conditions are signalled optically (by LED “Error” on the front) and via the digital interface ports.
  • Page 34: Overpower Protection

    PSB 9000 3U Slave Series 3.4.5 Overpower protection An overpower alarm (OPP) will switch off the DC terminal and can occur if: • the product of the voltage and current in the DC terminal reaches the adjusted OPP limit. This function serves to protect the connected load application (source mode) or the external source (sink mode) so that this is not overloaded and possibly damaged due to an excessive power.
  • Page 35: Manual Operation

    PSB 9000 3U Slave Series Manual operation Manual operation is a secondary functionality for this type of device. It is intended to run under constant remote control by a master unit. Thus the number of available functions in manual control is reduced, compared to a standard PSB 9000 3U device.
  • Page 36: Remote Control

    PSB 9000 3U Slave Series Remote control 3.6.1 General Remote control is essential when operating devices of this series, for example during master-slave. It is furthermore possible to take over remote via one of the built-in USB ports. Important here is that only one of the digital interfaces or a master unit can be in control.
  • Page 37: Programming

    PSB 9000 3U Slave Series SYSTem:ALARm:ACTion:PFAil SYSTem:CONFig:UVD SYSTem:ALARm:ACTion:PFAil? SYSTem:CONFig:UVD? SYSTem:ALARm:COUNt:OCURrent? SYSTem:CONFig:UVD:ACTion SYSTem:ALARm:COUNt:OPOWer? SYSTem:CONFig:UVD:ACTion? SYSTem:ALARm:COUNt:OTEMperature? SYSTem:DEVice:CLAss? SYSTem:ALARm:COUNt:OVOLtage? SYSTem:ERRor:ALL? SYSTem:ALARm:COUNt:PFAil? SYSTem:ERRor:NEXT? SYSTem:COMMunicate:TIMeout? SYSTem:ERRor? SYSTem:CONFig:MODE SYSTem:LOCK SYSTem:CONFig:MODE? SYSTem:LOCK? SYSTem:CONFig:OCD SYSTem:LOCK:OWNer? SYSTem:CONFig:OCD? SYSTem:NOMinal:CURRent? SYSTem:CONFig:OCD:ACTion SYSTem:NOMinal:POWer? SYSTem:CONFig:OCD:ACTion? SYSTem:NOMinal:RESistance:MAXimum? SYSTem:CONFig:OPD SYSTem:NOMinal:RESistance:MINimum? SYSTem:CONFig:OPD? SYSTem:NOMinal:VOLTage? SYSTem:CONFig:OPD:ACTion SYSTem:SINK:ALARm:COUNt:OCURrent? SYSTem:CONFig:OPD:ACTion?
  • Page 38: Alarms And Monitoring

    PSB 9000 3U Slave Series Alarms and monitoring 3.7.1 Definition of terms The device signalises alarms (see „3.4. Alarm conditions“) such as overvoltage (OV) or overheating (OT) via the front LED “Error” and as readable status via digital interface. When running the device as Slave as part of a master- slave system, the alarm is also reported to the master and if the master is with display, the alarm is indicated there as well. Basically, device alarms will switch off the DC terminal, primarily in order to protect the connected load or...
  • Page 39 PSB 9000 3U Slave Series 3.7.2.1 User defined events The monitoring functions of the device can be configured for user defined events. By default, events are deacti- vated (action = NONE). Contrary to device alarms, the events only work while the DC terminal is switched on. It means, for instance, that you cannot detect undervoltage (UVD) anymore after switching the DC terminal off and the voltage is still sinking. The following events can be configured independently and can in each case trigger the actions NONE, SIGNAL, WARNING or ALARM.
  • Page 40: Other Applications

    PSB 9000 3U Slave Series Other applications 3.8.1 Parallel operation in master-slave (MS) Running the Slave models of series PSB 9000 3U Slave in master-slave operation is the primary function. The devices usually work as slave units which are enumerated and controlled by a master device. Instructions for configuration and use of a master-slave system where a standard model with display from series PSB 9000 3U is master can be found in its dedicated user manual.
  • Page 41 PSB 9000 3U Slave Series Later operation of the MS system implies: • The master unit calculates the sum of the actual values of all the units and makes them available to read via the digital interfaces • The ranges for setting the values, adjustment limits, protections (OVP etc.) and user events (UVD etc.) of the master are adapted to the total number of units.
  • Page 42: Series Connection

    PSB 9000 3U Slave Series 3.8.1.7 Alarms and other problem situations Master-slave operation, due to the connection of multiple units and their interaction, can cause additional problem situations which do not occur when operating individual units. For such situations the following regulations have been defined: • If the DC part of one or more slave units is switched off due to defect, overheating etc., the whole MS system...
  • Page 43: Service And Maintenance

    PSB 9000 3U Slave Series Service and maintenance Maintenance / cleaning The device needs no maintenance. Cleaning may be needed for the internal fans, the frequency of cleanse is depending on the ambient conditions. The fans serve to cool the components which are heated by the inherent power loss. Heavily dirt filled fans can lead to insufficient airflow and therefore the DC terminal would switch off...
  • Page 44: Contact And Support

    PSB 9000 3U Slave Series Contact and support General Repairs, if not otherwise arranged between supplier and customer, will be carried out by the manufacturer. For this the device must generally be returned to the manufacturer. No RMA number is needed. It is sufficient to package the equipment adequately and send it, together with a detailed description of the fault and, if still under guarantee, a copy of the invoice, to the following address.

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