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Elektro-Automatik PSI 9000 WR 3U SLAVE, Operating Manual

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Elektro-Automatik PSI 9000 WR 3U SLAVE Operating Manual Download Page 35

Page 35

EA Elektro-Automatik GmbH

Helmholtzstr. 31-37 • 41747 Viersen

Germany

Fon: +49 2162 / 3785-0

Fax: +49 2162 / 16230

www.elektroautomatik.de

[email protected]

PSI 9000 WR 3U Slave Series

3.6 

Alarms and monitoring

3.6.1 

Definition of terms

The device signalises alarms (see 

„3.3. 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 output, primarily in order to protect the connected load and 

secondarily to protect the device itself.

Monitoring or supervision is also available in form of user-defineable events. Configuration of alarm thresholds 

and events, as well as reading status can only be done via the USB ports.

3.6.2  Device alarm and event handling

A device alarm incident will usually lead to DC output switch-off and the front LED “Error” is lit to make the user 

aware. Some alarms must be acknowledged. While the Slave device is in control of a master device, all alarms 

are acknowledged on the master unit. Refer to the user manual of the master. After acknowledging the alarm on 

the master, the LED “Error” on the alarm causing slave unit should be off. 
For all other situations, the front button “On / Off” or a specific command sent via digital interface in remote control 

is used to acknowledge alarms.

 

►

How to acknowledge an alarm (during manual control)

1. 

In case the DC output is switched off and the LED “Error” is lit, use button “On / Off”.

2. 

The LED should go off and with another push on “On / Off”, the DC output could be switched on again. If 

the LED remains lit, the alarm cause could still be present.

Some device alarms, specifically their thresholds, are configurable via 

EA Power Control 

software or custom tools:

Short Long

Description

Range

OVP

O

ver

V

oltage 

P

rotection

Triggers an alarm if the DC output voltage reaches the defined threshold. 

The DC output will be switched off.

0 V...1.1*U

Nom

OCP

O

ver

C

urrent 

P

rotection

Triggers an alarm if the DC output current reaches the defined threshold. 

The DC output will be switched off.

0 A...1.1*I

Nom

OPP

O

ver

P

ower 

P

rotection

Triggers an alarm if the DC output power reaches the defined threshold. 

The DC output will be switched off.

0 W...1.1*P

Nom

These device alarms can’t be configured and are based on hardware:

Short Long

Description

PF

P

ower 

F

ail

AC supply over- or undervoltage. Triggers an alarm if the AC supply is out of specification 

or when the device is cut from supply, for example when switching it off with the power 

switch. The DC output will be switched off.

OT

O

ver

Tem-

perature

Triggers an alarm if the internal temperature reaches a certain limit. The DC output will 

be switched off.

MSP

M

aster-

S

lave

P

rotection

Triggers an alarm if the master unit loses contact to any slave unit. The DC output will be 

switched off. The alarm can be cleared by reinitialising the MS system.

Summary of Contents for PSI 9000 WR 3U SLAVE

Page 1: ...Elektro Automatik Doc ID PSI9WSEN Revision 02 Date 03 2018 Operating Guide PSI 9000 WR 3U Slave DC High Efficiency Power Supply ...

Page 2: ......

Page 3: ...device 22 2 3 4 Connection to AC supply 23 2 3 5 Connection to DC loads 25 2 3 6 Grounding of the DC output 26 2 3 7 Connection of remote sense 26 2 3 8 Connecting the Share bus 27 2 3 9 Connecting the USB port 27 2 3 10 Initial commission 28 2 3 11 Commission after a firmware update or a long period of non use 28 3 OPERATIONANDAPPLICATION 3 1 Personal safety 29 3 2 Operating modes 29 3 2 1 Voltag...

Page 4: ...arning and safety notices as well as general notices in this document are shown in a box with a symbol as follows Symbol for a life threatening danger Symbol for general safety notices instructions and damage protection bans or important infor mation for operation Symbol for general notices 1 2 Warranty EA Elektro Automatik guarantees the functional competence of the applied technology and the sta...

Page 5: ...r master slave operation 3U 3 rack units of height Version WR Wide range extended AC input voltage range Maximum current of the device in Ampere Maximum voltage of the device in Volt Series 9 Series 9000 Type identification PSI Power Supply Intelligent programmable 1 6 Intended usage The equipment is intended to be used if a power supply or battery charger only as a variable voltage and current so...

Page 6: ...The equipment is only approved for use within the connection limits stated on the product label Do not insert any object particularly metallic through the ventilator slots Avoid any use of liquids near the equipment Protect the device from wet damp and conden sation For power supplies and battery chargers do not connect users particularly low resistance to devices under power sparking may occur wh...

Page 7: ... at the work station via a risk assessment introduce the necessary steps in the operating procedures for the local conditions regularly control that the operating procedures are current update the operating procedures where necessary to reflect changes in regulation standards or operating con ditions define clearly and unambiguously the responsibilities for operation maintenance and cleaning of th...

Page 8: ...ture Overheating of the device DC output will be switched off Non critical Signal OVP OverVoltage Overvoltage shutdown of the DC output due to high voltage entering the 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 critical protects the load from e...

Page 9: ...1 A 0 231 A 0 132 A Overpower protection range 0 16 5 kW 0 16 5 kW 0 16 5 kW Temperature coefficient for set values Δ K Voltage current 100 ppm Output capacitance approx 25380 μF 7560 μF 1200 μF Voltage regulation Adjustment range 0 81 6 V 0 204 V 0 367 2 V Accuracy 1 at 23 5 C 0 1 UMax 0 1 UMax 0 1 UMax Line regulation at 10 ΔUAC 0 02 UMax 0 02 UMax 0 02 UMax Load regulation at 0 100 load 0 05 UM...

Page 10: ...V DC 725 V DC Positive terminal to PE Max 400 V DC 1000 V DC 1000 V DC AC input PE 2 5 kV DC AC input DC output 2 5 kV DC Miscellaneous Cooling Temperature controlled fans front inlet rear exhaust Ambient temperature 0 50 C Storage temperature 20 70 C Humidity 80 not condensing Standards EN 61010 EN 61326 Overvoltage category 2 Protection class 1 Pollution degree 2 Operational altitude 2000 m Digi...

Page 11: ... Temperature coefficient for set values Δ K Voltage current 100 ppm Output capacitance approx 760 μF 310 μF 133 μF 84 μF Voltage regulation Adjustment range 0 510 V 0 765 V 0 1020 V 0 1530 V Accuracy 1 at 23 5 C 0 1 UMax 0 1 UMax 0 1 UMax 0 1 UMax Line regulation at 10 ΔUAC 0 02 UMax 0 02 UMax 0 02 UMax 0 02 UMax Load regulation at 0 100 load 0 05 UMax 0 05 UMax 0 05 UMax 0 05 UMax Rise time 10 90...

Page 12: ...1500 V DC 1500 V DC Positive terminal to PE Max 1800 V DC 1800 V DC 1800 V DC 1800 V DC AC input PE 2 5 kV DC AC input DC output 2 5 kV DC Miscellaneous Cooling Temperature controlled fans front inlet rear exhaust Ambient temperature 0 50 C Storage temperature 20 70 C Humidity 80 not condensing Standards EN 61010 EN 61326 Overvoltage category 2 Protection class 1 Pollution degree 2 Operational alt...

Page 13: ...16230 www elektroautomatik de ea1974 elektroautomatik de PSI 9000 WR 3U Slave Series 1 8 4 Views Figure 1 Front view Figure 2 Rear view A Power switch D Share Bus and remote sensing connection G Matser slave ports B Control panel E DC output H Plug fixture strain relief C Rear USB port F AC input connection ...

Page 14: ...Automatik GmbH Helmholtzstr 31 37 41747 Viersen Germany Fon 49 2162 3785 0 Fax 49 2162 16230 www elektroautomatik de ea1974 elektroautomatik de PSI 9000 WR 3U Slave Series Figure 3 Side view right Figure 4 Side view left ...

Page 15: ... EA Elektro Automatik GmbH Helmholtzstr 31 37 41747 Viersen Germany Fon 49 2162 3785 0 Fax 49 2162 16230 www elektroautomatik de ea1974 elektroautomatik de PSI 9000 WR 3U Slave Series Figure 5 View from above ...

Page 16: ...l For a detailed description see section 1 9 4 The control panel HMI 1 On Off button Can be used to switch the DC output on or off during manual operation while LED Remote off 2 USB port For quick and easy access to the most important DC output related values when the deivce is not in master slave mode This port has reduced functionality compared to the rear port 3 Status indicators LED These six ...

Page 17: ...s The configuration via this port can be done with the included software EA Power Control on USB stick or via any custom made control application The devices offer as standard the possibility for parallel connection in Share bus operation to achieve a constant current sharing plus a genuine master slave connection with totalling of the slave units values on the master unit from PSI 9000 WR 3U seri...

Page 18: ...t is assigned all required settings and values from the master When running any of the above listed situations following applies to the USB port Reduced instruction set for master slave configuration output values U I P R and protec tions OVP OCP OPP For details about the instruction set see 3 5 Remote control Taking over remote control in order to change the configuration is only possible while t...

Page 19: ...e units in a master slave system where the remote sensing feature is only used and connected to the master unit For stand alone operation outside of a master slave setup this feature can be wired and used on the Slave mode as well In order to compensate for voltage drops along the DC cables to the load the Sense input can be connected to the load The maximum possible compensation is given in the t...

Page 20: ...mmissioning the equipment should be visually inspected for damage and completeness using the delivery note and or parts list see section 1 9 3 Scope of delivery An obviously damaged device e g loose parts inside damage outside must under no circumstances be put in operation 2 3 Installation 2 3 1 Safety procedures before installation and use The device may according to model have a considerable we...

Page 21: ... combination for models of PSI 9000 WR 3U Slave series as it can be found in series PSI 9000 15U and PSI 9000 24U for example Advantage of this combination lower costs Disadvantages of this combination in case the master fails the entire system cannot work After reconfiguring any Slave unit to be master which can be done via soft ware and remote control the system can continue to oper ate Other on...

Page 22: ... loss which depends on cable length and heating To compensate for these the cable cross section should be increased and the cable length reduced 2 3 3 Installing the device Select the location for the device so that the connection to the load is as short as possible Leave sufficient space behind the equipment minimum 30cm for ventilation A device in a 19 housing will usually be mounted on suitable...

Page 23: ...o be connected according to the labelling on the plug Required for the mains connection are following phases Nominal power Phases Supply type 15 kW or higher L1 L2 L3 PE Three phase 2 3 4 1 Cross section For the sizing of wiring cross section the power intake of the device and the cable length are decisive The table below gives the maximum input current for each phase Based on the connection of a ...

Page 24: ...nted 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 It is furthermore recommended to install the strain relief by using suitable ca...

Page 25: ... current of the parallel connection can be between 60 A two units and 8160 A sixteen units From a certain current the use of cables becomes impractical and the use of copper bars is required The cross section of the connection cables or copper bard is determined by the maximum current cable length and ambient temperature For a parallel connection of 2 units using flexible cables of up to 5 m lengt...

Page 26: ...output poles which also depends on the device model Refer to 1 8 3 Specific technical data The DC minus pole of a stand alone unit can be grounded right away but it should only be done if absolutely nec essary because the DC output is connected to PE via X capacitors in order to gain a better HF filtering Digital and analog interface are galvanically isolated from the DC output and should never be...

Page 27: ... master unit on the Share bus When not using one or several units of a system configured with Share bus because less power is required for an application it is recommended to disconnect the unit s from the Share bus because even when not powered they can have a negative impact on the control signal on the bus due to their impedance Disconnection can be done by simply unplugging them from the bus o...

Page 28: ...unication 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 In case of remote control via the analog interface read the section in this manual concerning analog interfaces 2 3 11 Commission after a firmware update or a long period of non use I...

Page 29: ...nd alone 3 2 1 Voltage regulation Constant voltage Voltage regulation is also called constant voltage operation CV The DC output voltage of a power supply is held constant 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 constant current or constant power op...

Page 30: ...d value according to P U I resp P U R The power limiting then regulates the output current according to I sqr P R where R is the load s resistance Power limiting operates according to the auto range principle such that at lower output voltages higher current flows and vice versa in order to maintain constant power within the range PN see diagram to the right While the DC output is switched on and ...

Page 31: ...out can be set up via a specific command 3 3 2 Overtemperature An overtemperature alarm OT can occur from an excess temperature inside the device and temporarily causes it to stop supplying power After cooling down the device will automatically continue to supply power while the condition of the DC output remains and the alarm doesn t require to be acknowledged 3 3 3 Overvoltage protection An over...

Page 32: ...rting and is ready for operation LED Power changes to green There is a configurable option which determines the condition of the DC output after power up Factory setting here is OFF Changing it to Restore will cause the device to restore the last DC output condition either on or off In master slave operation and when the device is being slave which is the default mode of operation for models of th...

Page 33: ...ng them only while the Slave device is not in control by a master device Outside of master slave the device could be controlled remotely with software EA Power Control but also from custom applications In order to do so a programming documentation is delivered with the device on USB stick The number of available commands is restricted on this USB port but it supports both SCPI and ModBus RTU commu...

Page 34: ...L SYSTem CONFig OUTPut RESTore SYSTem ERRor NEXT SYSTem CONFig OUTPut RESTore SYSTem ERRor SYSTem CONFig OVD SYSTem LOCK SYSTem CONFig OVD SYSTem LOCK SYSTem CONFig OVD ACTion SYSTem LOCK OWNer SYSTem CONFig OVD ACTion SYSTem NOMinal CURRent SYSTem CONFig UCD SYSTem NOMinal POWer SYSTem CONFig UCD SYSTem NOMinal RESistance MAXimum SYSTem CONFig UCD ACTion SYSTem NOMinal RESistance MINimum SYSTem C...

Page 35: ...or a specific command sent via digital interface in remote control is used to acknowledge alarms How to acknowledge an alarm during manual control 1 In case the DC output is switched off and the LED Error is lit use button On Off 2 The LED should go off and with another push on On Off the DC output could be switched on again If the LED remains lit the alarm cause could still be present Some device...

Page 36: ...n be read via USB With this series actions SIGNAL and WARNING are equal ALARM On reaching the condition which triggers the event with action ALARM a bit in the status register of the device will be set and the DC output will be switched off Both conditions can be read via USB from the status register Event Meaning Description Range UVD UnderVoltage Detection Triggers an event if the output voltage...

Page 37: ...regarding adjusted values actual values and status The Share bus is intended to balance the units dynamically in their power especially if the master unit runs a func tion In order for this bus to work correctly at least the DC minus poles of all units have to be connected because DC minus is the reference for the Share bus 3 7 1 2 Restrictions Compared to normal operation of a single device maste...

Page 38: ...guration for master slave in custom applications 3 7 1 6 Operating the master slave system After the first initialisation after any reconfiguration of the system the master can be operated and controlled like a single stand alone unit While software EA Power Control automatically detects MS mode and adapts the rated values to what the MS system represents this has to be considered in custom applic...

Page 39: ...uring remote control or remote supervision All units in the MS system supervise their own values regarding overvoltage overcurrent and overpower and in case of alarm they report the alarm to the master In situations where the current is probably not balanced between the units it can occur that one unit generates an OC alarm though the global OC limit of the MS system was not reached The same can o...

Page 40: ...ng active 2QO is also allowed for master slave systems A master slave system built from power supplies is then considered as one big source and will be handled and controlled as such The same configuration is doable with several electronic loads building a big sink More information about setup configuration and use of a 2QO system can be found in the user manuals of the power supply series PS PSI ...

Page 41: ...de the device To replace these the device must first be disconnected from AC supply and then opened Inside are 3 power modules in black plastic housings each of which holds two of the fuses Opening the device and replacing the fuses must only be carried out by technically trained personnel Tools required Torx 10 screwdriver flat screwdriver approx 5 mm multimeter Step 1 Opening the device 1 Switch...

Page 42: ...ation user manual and or programming guide as well as LabView VIs which is often delivered only later sometimes significantly later 5 Contact and support 5 1 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 equipme...

Page 43: ......

Page 44: ...EA Elektro Automatik GmbH Co KG Development Production Sales Helmholtzstraße 31 37 41747 Viersen Germany Fon 49 2162 37 85 0 ea1974 elektroautomatik de www elektroautomatik de ...

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