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Elektro-Automatik

Doc ID: EL9B15EN
Revision: 03
Date: 05/2021

Operating Guide

EL 9000 B 15U/24U

Electronic DC load

Attention! This document is 

only valid for devices with TFT 

display and firmware “KE: 2.31”, 

“HMI: 2.20” and “DR: 1.6.6” or 

higher.

Summary of Contents for EL 9000 B 15U Series

Page 1: ...k Doc ID EL9B15EN Revision 03 Date 05 2021 Operating Guide EL 9000 B 15U 24U Electronic DC load Attention This document is only valid for devices with TFT display and firmware KE 2 31 HMI 2 20 and DR...

Page 2: ......

Page 3: ...e DC input 30 2 3 7 Connecting or extending the Share bus 30 2 3 8 Connection of remote sense 30 2 3 9 Installation of an interface module 31 2 3 10 Connecting the analog interface 31 2 3 11 Connectin...

Page 4: ...function 65 3 10 11 Ramp function 69 3 10 12 UI and IU table functions XY table 69 3 10 13 Battery test function 71 3 10 14 MPP tracking function 73 3 10 15 Remote control of the function generator 76...

Page 5: ...B 24U 33240615 EL 9200 840 B 24U 33240606 EL 9200 1260 B 24U 33240616 EL 9360 480 B 24U 33240607 EL 9360 720 B 24U 33240617 EL 9500 360 B 24U 33240608 EL 9500 540 B 24U 33240618 EL 9750 240 B 24U 3324...

Page 6: ...ith 15 U or 24 U of effective height B Second generation Maximum current of the device in Ampere Maximum voltage of the device in Volt Series number 9 Series 9000 Type identification EL Electronic Loa...

Page 7: ...t 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 cha...

Page 8: ...t 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 opera...

Page 9: ...t output Signal OPP OverPower Shutdown of the DC input due to excess of the preset limit Non critical protects the source from excessive power output Signal PF Power Fail DC input shutdown due to AC u...

Page 10: ...isplayed values Display Accuracy 4 0 2 PPeak Internal resistance regulation Accuracy 1 1 of max resistance 0 3 of rated current Display Resolution See section 1 9 6 4 Resolution of the displayed value...

Page 11: ...42 s 38 s 29 s 40 s Weight approx 120 kg approx 120 kg approx 120 kg approx 120 kg approx 120 kg Article number 33240600 33240601 33240602 33240603 33240604 24 U cabinet Model EL 9080 2040 B EL 9200 8...

Page 12: ...ght approx 187 kg approx 187 kg approx 187 kg approx 187 kg approx 187 kg Article number 33240610 33240611 33240612 33240613 33240614 24 U cabinet Model EL 9080 3060 B EL 9200 1260 B EL 9360 720 B EL...

Page 13: ...lmholtzstr 31 37 41747 Viersen Germany Fon 49 2162 3785 0 Fax 49 2162 16230 www elektroautomatik de ea1974 elektroautomatik de EL 9000 B 15U 24U Series Figure 1 Front side example model in 15U 1 8 4 V...

Page 14: ...n 49 2162 3785 0 Fax 49 2162 16230 www elektroautomatik de ea1974 elektroautomatik de EL 9000 B 15U 24U Series D Digital and analog interfaces E Share Bus and remote sensing connection F DC input G AC...

Page 15: ...en Germany Fon 49 2162 3785 0 Fax 49 2162 16230 www elektroautomatik de ea1974 elektroautomatik de EL 9000 B 15U 24U Series Figure 3 Front side example model in 24U with optional emergency off switch...

Page 16: ...1 37 41747 Viersen Germany Fon 49 2162 3785 0 Fax 49 2162 16230 www elektroautomatik de ea1974 elektroautomatik de EL 9000 B 15U 24U Series Figure 5 Front side of master unit with control panel Figure...

Page 17: ...tton function Left knob turn adjusting the voltage power or resistance set values or setting the parameter values in the menu Left knob push selection of the decimal position to be changed cursor in t...

Page 18: ...erface with either Ethernet RS232 Profibus ProfiNet ModBus TCP CANopen CAN or EtherCAT can be added These enable the devices to be connected to standard industrial buses simply by changing or adding a...

Page 19: ...net see 2 3 16 Adding new units The slave unit can be ordered by its article number and retrofitted on location A patch cable for master slave bus connection of the additional slave is included Retrof...

Page 20: ...d values are only displayed in active resistance mode When the DC input is switched on the actual regulation mode CV CC CP or CR is displayed next to the corre sponding actual values as shown in the f...

Page 21: ...s These can be changed by tapping this area as long as it s not locked The physical quantities on the depiction of the knobs show the current as signment With an electronic load the right hand knob is...

Page 22: ...e types and names from an USB stick wave_u your_text csv wave_i your_text csv Function generator for an arbitrary function on voltage U or current I The name must begin with wave_u wave_i the rest is...

Page 23: ...icle number Name Description 35400100 IF AB CANO CANopen 1x Sub D 9pole male 35400101 IF AB RS232 RS 232 1x Sub D 9pole male null modem 35400103 IF AB PBUS Profibus DP V1 Slave 1x Sub D 9pole female 3...

Page 24: ...ensing In order to compensate for voltage drops along the DC cables from the source to the DC load the Sense input can be connected to the source The maximum possible compensation is given in the tech...

Page 25: ...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 a...

Page 26: ...wood paper fabric plastic etc because the power dissipation of up to 43 kW depending on the model is exhausted in form of hot air For models with installed emergency off switch optional see 1 9 5 it s...

Page 27: ...onnected to any of the phases and N If there are multiple cabinets to connect it s recommended to take care for a balanced AC current distribution by using all available phases Connection scheme of on...

Page 28: ...eter of the ring lug should match the one of the connection point This restricts the number of applicable cable cross sections for example because a M8 ring lug can take a max of 95 mm or 150 mm depen...

Page 29: ...ction points as seen from the side 6x M10 for up to 12 cables 3x M8 for up to 6 cables Connection example for two cables on one connection point with M10 ring lugs for 150 mm cables The included cover...

Page 30: ...me models must always be thoroughly installed In case of adding a unit to the cabinet where possible the Share bus must also be extended 2 3 8 Connection of remote sense Though every unit in the cabin...

Page 31: ...o assist in pulling out the module 2 3 10 Connecting the analog interface The 15 pole connector type Sub D D Sub on the rear side is an analog interface To connect this to a controlling hardware PC el...

Page 32: ...rtain procedure is required see below After that and when powering the cabinet again the master unit will automatically detect the altered configuration and present itself accordingly in the display o...

Page 33: ...ent The slave unit to add must be of the same model as the already existing slave units Depending on the resulting current after the installation of the additional unit further bars on the DC bus have...

Page 34: ...current exceeds the maximum possible or adjusted current value or the total power according to P UIN IIN is reached the load will automatically switch to constant current or constant power operation w...

Page 35: ...4 Power regulation constant power power limitation Power regulation also known as constant power CP limits the DC input power of the device to the adjusted value so that the current flowing from the...

Page 36: ...this ambient temperature the steady power will settle at a lower value than with 25 C 3 2 5 Dynamic characteristics and stability criteria The electronic load is characterized by short rise and fall t...

Page 37: ...rature alarm OT can occur due to an excess temperature inside the device and causes it to stop sinking power temporarily After cooling down the device will automatically continue to supply power while...

Page 38: ...r with the current application is lower than what the cabinet can bring Every unit can sink a certain power formula total power of cabinet number of units The master unit will automatically detect the...

Page 39: ...arm PFon pin 6 Analog interface pin 14 Pin 14 of the analog interface see section 3 5 4 4 is by default assigned to only signal the device alarm OVP This parameter allows to also enable signaling furt...

Page 40: ...a Initialize will repeat the initialization of the master slave system in case the automatic enumeration of the slave units by the master is once unsuccessful so the system would have less total power...

Page 41: ...IF allows a DHCP server to allocate an IP address a subnet mask and a gateway If no DHCP server is in the network then network parameters will be set as defined in item Manual Manual IP address This...

Page 42: ...en Base 11 Bit ID 0h 7ffh and Extended 29 Bit 0h 1fffffffh Cyclic Communication Base ID Cyclic Read Setup of the CAN base ID 11 Bit or 29 Bit hex format for cyclic read of up to 5 object groups see Cy...

Page 43: ...enabled Enables or disables SCPI or ModBus communication protocols for the device if not needed The change is immediately effective after submitting it with ENTER button ModBus specification complianc...

Page 44: ...d set values Show meter bar in U I P mode i e resistance mode not activated a meter bar for 0 100 actual values of voltage current and power is shown See 3 4 8 The meter bars Alternative status page s...

Page 45: ...set the adjustment limit for power P max to 30 00 kW while the currently adjusted power set value is 40 00 kW then the set value first would have to be reduced to 30 00 kW or less in order to set P ma...

Page 46: ...oltage U left and current I right and it s required to set the power then the assignments can be changed by tapping this touch area A set of selection fields then appears 3 After successful selection...

Page 47: ...to enable the meter bars in the MENU Depiction Standard status page with meter bar Alternative status page with meter bar The meter bars remain hidden as long as resistance mode i e U I R is activate...

Page 48: ...erent Logging is then started and stopped only in the MENU in the logging configuration page Soon after logging has been started the symbol indicates the ongoing logging action In case there is an err...

Page 49: ...lowed or inhibited using the setting Allow remote control see 3 4 3 1 Menu General Settings In inhibited condition the status Local will be displayed top right Activating the inhibit can be useful if...

Page 50: ...2 20 Its goal is to monitor or supervise the communication line between the device and a superior control unit such as PC or PLC and to ensure that the device wouldn t continue working uncontrolled in...

Page 51: ...00 actual values correspond to 0 10 V at the actual value outputs CMON and VMON All set values are always additionally limited to the corresponding adjustment limits U max I max etc which would clip s...

Page 52: ...mpedance Ri 40 k 100 k 8 PSEL AI Set power value 0 10 V or 0 5 V corre spond to 0 100 of PNom 9 VMON AO Actual voltage 0 10 V or 0 5 V corre spond to 0 100 of UNom Accuracy 0 5 V range 0 4 Accuracy 0...

Page 53: ...itched on in manual or digital remote control and on the other hand the pin can switch the DC input on or off but not standalone See below at Remote control has not been activated It s recommended tha...

Page 54: ...rent and power Requires remote control to be activated Pin REMOTE LOW The set values PSEL and CSEL are generated from for example the reference voltage VREF using potentiometers for each Hence the dev...

Page 55: ...se these supervision thresholds are adjusted to too sensitive levels When switching off the DC input of the electronic load while a current limited source still sup plies energy the output voltage of...

Page 56: ...3 1 Display analog digital interfaces MSP Master Slave Protection Triggers an alarm if the master unit loses contact to any slave unit The DC input will be switched off The alarm can be cleared by re...

Page 57: ...e defined threshold 0 A INom OCD OverCurrent Detection Triggers an event if the input current reaches the defined threshold 0 A INom OPD OverPower Detection Triggers an event if the input power reache...

Page 58: ...e the pop up will disappear and the HMI remains locked In case the additional PIN lock has been activated in the menu HMI Lock another requester will pop up asking you to enter the PIN before it final...

Page 59: ...ese profiles or the default one can then be switched The default profile is read only The purpose of a profile is to load a set of set values settings limits and monitoring thresholds quickly without...

Page 60: ...r voltage curves table CSV Battery test Battery discharge test with constant or pulsed current along with Ah Wh and time counters MPP Tracking Simulation of the characteristic tracking behaviour of so...

Page 61: ...and control Via the touch screen one of the functions described in 3 10 1 can be called up configured and controlled Selection and configuration are only possible while the DC input is switched off H...

Page 62: ...switched on automatically 2 The function can be stopped either by tapping or pushing the On Off button There is different behaviour a The button stops only the function the DC input remains ON with th...

Page 63: ...ency Example a frequency of 10 Hz is required and would lead to periodic duration of 100 ms This 100 ms can be freely allocated to t1 and t2 e g 50 ms 50 ms isos celes triangle or 99 9 ms 0 1 ms right...

Page 64: ...re universal use 3 10 9 DIN 40839 function This function is based on the curve defined in DIN 40839 EN ISO 7637 test impulse 4 and is only applicable to voltage It shall replicate the progress of auto...

Page 65: ...the DC part of the curve Ie DC Ie AC Nominal value Ie AC of I End value of the DC part of the curve Seq time 0 01 ms 36000 s Time for the selected sequence point The sequence point time seq time and...

Page 66: ...rt so that the offset increases from start to end DC and the amplitude also with each new half sine wave Additionally the first sine wave starts with a negative half wave be cause the angle is set at...

Page 67: ...d sequence point run will revert to the same start level as the first regardless of the values achieved at the end of the first run This can produce a discontinuity in the total progression marked in...

Page 68: ...t amplitude of the sine wave part of the curve B 0 50 Nominal value of I End amplitude of the sine wave part of the curve C 0 Hz 10000 Hz Start frequency of the sine wave part of the curve AC D 0 Hz 1...

Page 69: ...equal to those in Ustart Istart unless the source at the DC input should not be loaded before the start of the ramp In that case the static values should be set to zero 10h after reaching the ramp en...

Page 70: ...alues with decimal places must use a decimal separator as depending on the selection with parameter USB file separator format US separator comma decimal separator dot No value may exceed 102 nominal v...

Page 71: ...and power should be set to maximum For dynamic mode there is also a power setting but it can t be used to run the dynamic battery test function in pulsed power mode or at least the result would not be...

Page 72: ...rom the USB log data re corded during normal USB logging in all other operation modes of the device Logging interval 100 ms 1 s 5 s 10 s Writing interval for USB logging 3 10 13 4 Displayed values Dur...

Page 73: ...lues such as actual voltage current or power to USB stick or provide them for reading via digital interface The MPP tracking function offers four modes Unlike with other functions or general use of th...

Page 74: ...can save a lot of time in repetitive tests The rest of the function run is the same as with MPP2 mode During and after the function the least acquired MPP values of voltage UMPP current IMPP and power...

Page 75: ...ap it 3 In the next screen tap on LOAD MPP4 voltage values from USB have your USB stick ready and follow the instructions 3 10 14 6 Save result data from MPP4 mode to USB stick After the MPP4 function...

Page 76: ...erent from manual operation The external documentation Programming Guide ModBus SCPI on the included USB stick explains the approach In general the following items apply The function generator isn t d...

Page 77: ...utomatically initialised and included again in the MS system In situations where the auto matic initialisation fails it can be repeated manually in the MENU of the master unit If the DC input of the m...

Page 78: ...ns when the master unit suddenly reports an alarm or there is suddenly less power available than expected from the cabinet one or probably several fuses could have blown This situation is very rare be...

Page 79: ...r upon request However be advised not to install updates promptly Every update includes the risk of an inoperable device or system We recommend to install updates only if an imminent problem with your...

Page 80: ...ustment a few tools and certain ambient conditions are required A measurement device multimeter for voltage with a max error of half the EL s voltage tolerance That mea surement device can also be use...

Page 81: ...n 4 The next screen requests you to enter the input current Measured value measured with the shunt Enter it using the keypad assure yourself the value is correct and submit with ENTER 5 Repeat point 4...

Page 82: ...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 s...

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Page 84: ...EA Elektro Automatik GmbH Co KG Development Production Sales Helmholtzstra e 31 37 41747 Viersen Germany Fon 49 2162 37 85 0 Mail ea1974 elektroautomatik com Web www elektroautomatik com...

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