KE RDU-420 User Manual (ke_rdu
Contents
1. KD RDU 420 Page 1 22 NES W LEC MOTOR PROTECTION amp CONTROL TECHNOLOGY KD Relay Remote Display 4x20 Display User Manual KD RDU 420 Version 00 02 NE_KD RDU 420_MAN_00_11_FN02 01 February 2011 NewElec Pretoria Pty Ltd Head Office c o 298 Soutter street amp Maltzan street Pretoria West South Africa 0182 GPS 25 45 12 S 28 09 46 E Http www newelec co za NESW LEC MOTOR PROTECTION amp CONTROL TECHNOLOGY KD RDU 420 Page 2 22 Content Page LABSTRACI leali 3 2 SPN CUBICA TIONS Liceali 4 2 1 Technical Specifications of RDU i 4 2 4 Menu Structure with Unit Ranges of MMI sisi 5 2 4 1 Main Menu primary menu Ist level 5 2 4 2 Actual Values 2nd level iii 5 2 4 3 Relay Settings 2nd level eit tette rte teste sae RE aii ERE E Madsen a Ste fata LEA 5 2 4 4 Faults 2nd level estt ad vit t ee e te c e baee ld Eee i Ey ENG 5 24 5 Events nd level sanus uet mE eene ita DIS 6 2 4 6 RDU Settings 21d level or ceret hr e ee eode ne na alan 6 2 4 7 Relay Data Time 2nd level eet treten ete ne inre a a a uo rane 6 24 8 Relay Info 2nd level cis i eec eer latins donnee d ie ere ve ctn nere t Ep sei prend 6 2 49 Settings 3rd level ueteres tacet A ton Dad ea A ene rueda 7 2 4 10 Input Polnters 235 e pter E EG ORO EE RISAIE la I avn be ue 8 3 DEFINITIONS AND TERMINOLOGY i 9 4 FUNCTIONAL DESCRIPTION 102. M 10 11 1 Liquid display unit 4 x 20 7 Left key 2 Upkey 8 Communication indication 3 Enter key 9 In service motor run indication 4 Right key 10 Trip indication 5 Reset Menu key 11 Infra red link for MMI or PC to IrDA 6 Down key Ec MOTOR PROTECTION amp CONTROL TECHNOLOGY KD RDU 420 Page 16 22 6 3 Layout Of RDU Back Panel r DONGLE KEY RBOUIRED FOR RELAY SETTINGS ALTERATION ACTUAL VALUES FAULT RECORD DPERATIDMAL DATA CAR BE VIEWED MATH CHIT ANGLE HEY 1 Communication to relay 3 Braked 2 Dongle key port 4 Power supply port Ec MOTOR PROTECTION amp CONTROL TECHNOLOGY KD RDU 420 Page 17 22 6 4 Block Diagram of RDU Display Unit Micro controller Unit with Memory Flash EEPROM and RAM RS232 Communication to relay Keyboard Liquid Crystal Display Dongle Key 4lines x 20characters Infrared Interface IrDA Ec MOTOR PROTECTION amp CONTROL TECHNOLOGY 6 5 Menu Layout Page 18 22 MAIN MENU 1 Actual Values 2 Relay Settings 3 Faults 4 Events 5 MMI Settings 6 Relay Clock RTC 7 Relay Info 1 ACTUAL VALUES 1 1 ILoad 1 2 TC level used 1 3 Vlev Vr 14 Vw Vb 1 5 EL 1 6 Unbalance 1 7 Volt Sym 1 8 Power factor 1 9 Ios Lock 1 10 Relay I status 1 11 Relay 2 status 2 SETTINGS 2 1 RDU
3. Page 22 22 7 ACCESSORIES When ordering FPR0218 all accessories will be included But can be ordered separately 7 1 RDU To Relay Communication Cable Order information NewElec RDU to relay communication cable CAB0101 7 2 NewElec RDU Dongle Key Order information NewElec RDU dongle key CAB0027 00000 Ec MOTOR PROTECTION amp CONTROL TECHNOLOGY
4. 1 Mask 0 amp 1 000 X 001 X X 0 1 Table 1 Mask 2 amp 3 010 X 011 X X 0 1 Table 1 Mask 4 amp 5 100 X 101 X X 0 1 Ec MOTOR PROTECTION amp CONTROL TECHNOLOGY Page 8 22 Table 1 Mask 6 amp 7 110 X 111 X X 0 1 Table 1 Input A Input pointer see 2 4 10 Table 1 Input B Input pointer see 2 4 10 Table 1 Input C Input pointer see 2 4 10 Table 2 Mask 0 amp 1 000 X 001 X X 0 1 Table 2 Mask 2 amp 3 010 X 011 X X 0 1 Table 2 Mask 4 amp 5 100 X 101 X X 0 1 Table 2 Mask 6 amp 7 110 X 111 X X 0 1 Table 2 Input A Input pointer see 2 4 10 Table 2 Input B Input pointer see 2 4 10 Table 2 Input C Input pointer see 2 4 10 Table 3 Mask 0 amp 1 000 X 001 X X 0 1 Table 3 Mask 2 amp 3 010 X 011 X X 0 1 Table 3 Mask 4 amp 5 100 X 101 X X 0 1 Table 3 Mask 6 amp 7 110 X 111 X X 0 1 Table 3 Input A Input pointer see 2 4 10 Table 3 Input B Input pointer see 2 4 10 Table 3 Input C Input pointer see 2 4 10 Timer A Time Out 0 3000s Timer A Start In Input pointer see 2 4 10 Timer A Reset In Input pointer see 2 4 10 Timer B Time Out 0 3000s Timer B Start In Input pointer see 2 4 10 Timer B Reset In Input pointer see 2 4 10 Start Motor hh mm Stop Motor hh mm Relay 2 Input Sig Input pointer see 2 4 10 2 4 10 Input Point
5. S OPERATING INSTRUCTIONS alal 11 5 1 Getting Started OE 11 5 11 Installing KD RDU 420 55h nine Mt aiar 11 5 2 Navigating Through The Menus 11 5 3 Monitoring Actual Data sm A LEE lei alia 11 5 4 Change or Viewing Settings 11 5 4 1 Change in RDU memory slots 4 sise 12 5 4 2 Copy RDU memory slot to RDU memory Slot 12 5 4 3 Upload relay settings to RDU memory SIot 12 5 4 4 Download MMI memory slot to relay nennen eene 12 5 5 Retrieve and Uploading Event Fault RecordS 12 5 6 Trouble Shooting Frequently Asked Questions 13 6 DIAGRAMS leleine 14 6 1 Physical Layout of the RDU iis urina ira ci 14 6 2 Layout OF RDU Front Panel 15 6 3 Layout Ot RDU Back Panel inner 16 6 4 Block Diagram of RDU Display Unit 17 ORENSE EI 18 6 6 Mechanical Installation Drawing 19 6 7 Wiring Diagram e allea i ra 20 6 8 Mechanical Drawing aria a E eng dog Ea DRE NE eaae 21 Ti PRE CEES SOIR LB n e 22 7 1 RDU To Relay Communication Cable ss 22 7 2 NewElec RDU Dongle Key ite tnt eec teri iaia 22 Ec MOTOR PROTECTION amp CONTROL TECHNOLOGY KD RDU 420 Page 3 22 1 ABSTRACT The KD RDU 420 KD Relay Remote Display Unit 4x20 Character Display is a door mounted display unit designed to function together with the KD or KE motor protection relays It is advisable to read this manual
6. in conjunction with KD or KE user manual The purpose of this unit is to provide a front end facility man machine interface between the operator and the motor protection relay It is capable to monitor and adjust the motor protection relay data if a dongle key is plugged in The relay data consists of settings faults events and actual data Settings can be adjusted as a batch or individually Communication between the motor protection relay and the display unit RDU is done with a communication cable CAB0100 IrDA lens can be found on the front control panel of the display unit which the KD MMI 420 EP or KD to PC cable can use to communicate to the KE or KD relay without opening up the MCC door Ec MOTOR PROTECTION amp CONTROL TECHNOLOGY KD RDU 420 Page 4 22 2 SPECIFICATIONS 2 1 Technical Specifications of RDU Mounting Positions Door Mounted e 132mmx 71 mm Cut Out General Data Operation 0 C to 60 C Communication Mediums e IrDA e RS232 e 375 gram Type 4lines by 20 Characters Display Liquid Crystal Display LCD Type e Diaphagm Cd Keys Up Down Left Keyboard Righi Down Enter Reset or Menu Indication LED Indications e Relay Communication Lights In Service e Trip CABO101 Ec MOTOR PROTECTION amp CONTROL TECHNOLOGY KD RDU 420 Page 5 22 2 4 Menu Structure with Unit Ranges of MMI 2 4 1 Main Menu primary menu 1 level 1 gt Actual values 2
7. motor Slot Dongle key Memory space allocated to keep settings data for relay configuring purposes A custom NewElec key that is used to lock or unlock setting memory slots in the RDU and settings in the relay NESW LEC MOTOR PROTECTION amp CONTROL TECHNOLOGY KD RDU 420 Page 10 22 4 FUNCTIONAL DESCRIPTION The KD RDU 420 can be broken down into the following function blocks Micro Controller Keyboard IrDA Serial Port RS232 Serial Port Dongle Port Liquid Crystal Display LCD Micro Controller Is the core of the system The micro controller ensures that the operation of the KD RDU 420 gets executed The micro controller also saves settings to EEPROM so that settings can be retrieved after a power loss Keyboard Consist of six keys The keys allow the operator to give commands to the micro controller Four keys are used for scrolling through the menus The ENTER key is used to select or confirm a command The MENU or RESET key is used to cancel a command or to reset the relay from a trip condition IrDA Serial Port Is a serial wireless communication interface between the RDU and the MMI or PC to IrDA This will allow the operator to connect to the relay via the RDU without opening the door of the MCC cubical bucket RS232 Serial Port Is a serial communication interface between the relay and RDU This will allow the operator to view faults events and setting or change
8. 7 Relay settings 3 gt Faults 4 gt Events 5 gt RDU Settings 6 gt Relay Date Time Real Time Clock 7 gt Relay Info 2 4 2 Actual Values 2 level Load Load current expressed in 0 999 TC level Thermal capacity used expressed in 0 100 Vlev Maximum Phase voltage 0 1200V Vr Red phase voltage 0 1200V Vw White phase voltage 0 1200V Vb Blue phase voltage 0 1200V EL Earth leakage 0 3000mA Unbalance Current unbalance 0 100 Volt Sym Voltage symmetry 0 50 Power Factor Power factor expressed as a 0 100 Iso Lock Isolation lockout expressed in k Ohm 0 200kOhm Relay 1 Relay 1 operation status energized de energized Relay 2 Relay 2 operation status energized de energized 2 4 3 Relay Settings 2 level RDU Mem Slot Copy Slot Slot DwnLd Slot KX Upload KX Slot 2 4 4 Faults 2 level Fault history retrieved from relay database View Nr Fault number x of 60 on display Status Actual fault caused by real current and voltage or sim Fault caused during simulation of current voltage power factor and earth leakage current Type Trip condition Any one of the trip flags which is applicable at the time of the trip DT Date and time stamp of fault record Ec MOTOR PROTECTION amp CONTROL TECHNOLOGY KD RDU 420 Page 6 22 Run hour Motor running hours at the time o
9. Mem Slot 2 2 Copy Slot Slot 2 3 DwnLd Slot gt KX 2 4 UpLoad KX Slot 3 FAULTS 3 1 View Nr 3 2 Status 3 3 Date amp Time 3 4 Run Hr 3 5 Current Max 3 6 Voltage Min 3 7 Contact R T KD RDU 420 5 MMI SETTINGS 5 1 Auto Scroll 5 2 Backlight Auto On 5 3 Contrast 5 4 Brightness 6 Date 4 EVENTS 4 1 View Nr 4 2 Status 4 3 Date amp Time 4 4 AlarmFlags 4 5 Trip Flag 4 6 Run Hr 4 7 Current Max 4 8 Voltage Min 4 9 Contact R T 6 RELAY CLOCK 6 2 Time 7 RELAY INFO 7 1 Start Up Cntr 7 2 Trip Cntr 7 3 Motor Run Hrs 7 4 Drv Description 7 5 Drv File ID NESW LEC MOTOR PROTECTION amp CONTROL TECHNOLOGY KD RDU 420 Page 19 22 6 6 Mechanical Installation Drawing PANEL CUTOUT FLANGE d d A BRAKET PANEL CUTOUT NEU MOTOR PROTECTION amp CONTROL TECHNOLOGY 6 7 Wiring Diagram z Dole ran DLE KEY REL FOR RELAY SETTING RATION AC VALUES FAULT RECORD DRATHOFIAL CATA CARIBE VIEWED WITH CUT Page 20 22 T KD RDU 420 110 220 Vac Dongle Power Supply Key Optional Cable between RDU and relay N W LEC MOTOR PROTECTION amp CONTROL TECHNOLOGY KD RDU 420 Page 21 22 6 8 Mechanical Drawing 145 84 mm NESW LEC MOTOR PROTECTION amp CONTROL TECHNOLOGY KD RDU 420
10. be altered the enter key has to be pressed in order to alter the setting A flashing cursor indicates that the setting is ready to be altered The enter key must be pressed to confirm the change while the reset key will restore the previous value 5 4 2 Copy RDU memory slot to RDU memory slot RDU memory slot 5 is by default the memory slot where the relay settings will be uploaded to when the RDU connects with the relay When selecting copying memory slot the RDU will prompt the operator to select from which memory slot 1 to 5 the data must be copied from After the operator selects a memory slot the RDU will then prompt the operator to select a destination memory slot 1 to 4 After selecting a memory slot the RDU will prompt the operator for confirmation to overwrite destination memory slot 5 4 3 Upload relay settings to RDU memory slot When the operator selects to upload relay settings the RDU will prompt the operator to select the destination memory slot 1 to 4 The RDU will then prompt the operator to confirm the overwriting of the designated memory slot The RDU will then proceed to upload the relay settings 5 4 4 Download MMI memory slot to relay When the operator selects to download RDU setting to the relay The RDU will prompt the operator to select the memory slot 1 to 4 to be downloaded The RDU will then prompt the operator to confirm the overwriting of the settings in the relay The RDU will then proceed with download o
11. e 10 of full load current it is assumed that the motor is running Intrinsic safe It is a protection technique for safe operation of electronic equipment in explosive atmospheres The concept was developed for safe operation of process control instrumentation in hazardous areas The theory behind intrinsic safety is to ensure that the available electrical and thermal energy in the system is always low enough that ignition of the hazardous atmosphere cannot occur IDA Infrared serial data transmission link LED Light emitting diode It is used as visual indicators Remote Display Unit It is a tool to monitor actual values fault and event records It is also used to adjust the relay settings In retrospect it is a more robust alternative although not as comprehensive for a laptop computer with relay front end software MMI Man Machine Interface It is a tool to monitor actual values fault and event records It is also used to adjust the relay settings In retrospect it is a more robust alternative although not as comprehensive for a laptop computer with relay front end software MMI also refers to the KD MMI 420 EP in this documentation Motor protection relay It is an intelligent computerized unit monitoring an electric motor s current and voltage supply In case of overloading phase lost etc the power supply of the motor will be interrupted by the protection relay to prevent damage to the
12. e relay Time Relay time adjustment of the real time clock of the relay 2 4 8 Relay Info 2 level Statistical and user data to manage the drive Start up counter Increment every when the motor starts up 0 65535 Trip counter Increment every time when a trip occurs 0 65535 Running hours Increment every hour the of motor operation 0 65535 Drive description Description of drive 20 characters Drive file ID Unique file name associated with the drive NESW LEC MOTOR PROTECTION amp CONTROL TECHNOLOGY KD RDU 420 Page 7 22 2 4 9 Settings 3 level TC Class Select Thermal Curve Class 5 40sec Maximum Load Set Motor full load setting 10 100 Voltage Select Supply line voltage level 110V 400V 525V or 1050V V Sym Trip Level Voltage symmetry trip level 50 100 Unbal Trip Level Current unbalance trip level 0 50 Unbal Trip Delay Current unbalance trip delay 1 10 sec U C Trip Level Undercurrent trip level 10 99 U C Restart Delay Undercurrent restart delay Manual 10s 1 h 3h 6h U C Trip Delay Undercurrent trip delay 1 10 sec EL Trip Level Earth leakage trip level 0 3000 mA EL Trip Delay Earth leakage trip delay 100ms 1sec in steps of 50ms IDT EL Curve Select Earth leakage curve select Instantaneous Definite Time Inverse Definite Minimum Time Starts per hour Star
13. ers KD RDU 420 It is signals that can be routed to the inputs of the logic functions timers and relay 2 Zero 0 MinLoad af SinglePhase tf StartsPerHr tf LogicFunc 3 One 1 OverVolt af EarthFault tf Timer A LogicFunc 3 InService UnderVolt af EarthLeak tf Timer A Restart VoltPresentF VoltS8ym af MinLoad tf Timer B FrozenContact OverCrnt af HiFreq af OverVolt tf Timer B ShortCirc af LoFreq af UnderVolt tf RTClock RunStall af IsoLockOut af VoltSym tf RTClock Unbal af OverCrnt tf HiFreq tf LogicFunc 1 SinglePhase af ShortCirc tf LoFreq tf LogicFunc 1 EarthFault af RunStall tf IsoLockOut tf LogicFunc 2 EarthLeak af Unbal tf PhaseRot tf LogicFunc 2 NI W LEC MOTOR PROTECTION amp CONTROL TECHNOLOGY KD RDU 420 Page 9 22 3 DEFINITIONS AND TERMINOLOGY EEPROM Electrical Erasable Programmable Read Only Memory non volatile Flash memory Similar to EEPROM only block write non volatile Galvanic isolation It is the principle of isolating functional sections of electrical system so that charge carrying particles cannot move from one section to another i e there is no electrical current flowing directly from one section to the next Energy and or information can still be exchanged between the sections by other means however such as by capacitance inductance electromagnetic waves optical acoustic or mechanical means In service When the current rise abov
14. f the relay settings 5 5 Retrieve and Uploading Event Fault Records To retrieve event records the operator has to go to events menu When arriving at the events menu the operator has to select the amount of events required 10 2000 When the enter key is pressed the RDU will begin to upload events to RDU memory Fault records are retrieved and uploaded in a similar way except for the fact that all the faults Ec MOTOR PROTECTION amp CONTROL TECHNOLOGY KD RDU 420 Page 13 22 60 will be retrieved and uploaded on request 5 6 Trouble Shooting Frequently Asked Questions Why does the COMMS Green LED not come on e Make sure that the cable between the relay and KD RDU 420 is CAB0101 and properly connected Why is the screen not reading clearly e Adjust the brightness in the RDU SETTINGS menu Why does it take a such long time to upload the events e Due to the amount of events and the board rate of 19200 bits per second e Future devices will be looked at to improve the rate of data exchange NESW LEC MOTOR PROTECTION amp CONTROL TECHNOLOGY KD RDU 420 Page 14 22 6 DIAGRAMS 6 1 Physical Layout of the RDU Order number FPR0218 ETE CE EVEN TAO NA NESW MOTOR PROTECTION amp CONTROL TECHNOLOGY KD RDU 420 Page 15 22 6 2 Layout Of RDU Front Panel li 7
15. f the trip expressed in hours Current Max current in at the time the trip took place 0 999 Voltage Minimum phase voltage at the time of the trip 0 1200V Contact R T Contact release time or time to clear fault expressed in ms 0 1000ms 2 4 5 Events 2 level Event history retrieved from relay database View Nr Event number x of 2000 on display Status Event type alarm trip or setting adjustment DT Date and time stamp of the event record Alarm Flags Alarm condition at the time of the recording of the event Trip Trip condition at the time of the event recording Run hour Motor running hours at the time of the recording of the event Current Maximum current at the time the event was recorded Voltage Minimum phase voltage at the time of the event recording Contact R T Contact release time or time to clear fault expressed in ms 0 1000ms 2 4 6 RDU Settings 2 level System settings only for the RDU not applicable for the relay Auto scroll Auto scroll the actual values after 5 minutes of no key activity Enabled Disabled Back light auto on Back light will be turned off after 5 minutes Enabled Disabled Contrast Contrast adjustment of the LCD images 0 10094 Brightness Brightness adjustment of the LCD back light 0 10094 2 4 7 Relay Data Time 2 level Date Relay date adjustment of the real time clock of th
16. l up in a menu or when in edit mode increment the parameter value at the position of the cursor DOWN button It will scroll down in a menu or when in edit mode decrement a parameter value at the position of the cursor LEFT button It will allow in edit mode to go left when editing a parameter value RIGHT button It will allow in edit mode to go right when editing a parameter value ENTER button It will allow going into a sub menu or confirm a change that was done to a parameter value while in edit mode RESET MENU button It will allow one level backwards in the menu structure or reset the value that was changed while in edit mode 5 3 Monitoring Actual Data When auto scrolling is enabled in the RDU Settings menu the display will automatically return after five minutes of no keyboard interaction to the Actual menu 5 4 Change or Viewing Settings All features below can be found under the settings menu of the RDU Range checking of settings is done during editing Ec MOTOR PROTECTION amp CONTROL TECHNOLOGY KD RDU 420 Page 12 22 The operator cannot change settings in the RDU memory slots or the relay if no dongle key is connected in the dongle port 5 4 1 Change in RDU memory slots After selecting RDU memory the RDU will prompt the operator to select a memory slot 1 to 4 After the selection has been made the RDU will display all the settings of the selected memory slot When finding the setting to
17. settings while the door of the MCC cubical bucket remains closed Dongle Port A dongle key gets inserted into the dongle port Without the dongle key the operator will not be able to change settings on the RDU memory slots or relay But the operator will still be allowed to view faults events and settings stored on the relay and RDU When the dongle key is inserted into the dongle port then any operator can change settings on the RDU memory slots or relay Liquid Crystal Display Will allow the micro controller to communicate with the operator so that the operator in return can instruct the micro controller correctly via the keyboard Ec MOTOR PROTECTION amp CONTROL TECHNOLOGY KD RDU 420 Page 11 22 5 OPERATING INSTRUCTIONS 5 1 Getting Started 5 1 1 Installing KD RDU 420 Following steps must be taken to install the KD RDU 420 Cut a rectangular hole 132 50 mm in length by 72 00 mm in height into the MCC cubical bucket door Remove the braked from the KD RDU 420 Push the KD RDU 420 through the hole cut into the MCC cubical bucket door Screw braked back onto KD RDU 420 Connect the correct voltage to KD RDU 420 Insert CAB0101 into the Comms Port of the KD RDU 420 and the relay Insert dongle key into Dongle Port if no security is required 5 2 Navigating Through The Menus Navigating though the menus is done by using the direction buttons enter key and reset key UP button It will scrol
18. ts per hour allowed 0 30 U C Startup Delay Undercurrent start up delay pump priming time 0 200s Power Fact Level Power factor trip level setting 0 100 TC Reset Level Thermal capacity reset level 10 100 default 70 Consec Start Lim Consecutive starts limit 1 3 Run Stall T Level Run stall Trip Level 11096 30094 Run Stall H Time Run stall hold off time 1 200s U C Trip Undercurrent trip Enable Disable Under Volt Trip Enable Disable Over volt Trip Enable Disable Volt Symt Trip Voltage symmetry trip Enable Disable Fail Safe Enable Disable Auto TC Reset Enable Disable Unbalance Trip Current unbalance trip Enable Disable Phase Rot Trip Voltage phase rotation trip Enable Disable Short Circ Trip Short circuit Trip Enable Disable Single phase trip Enable Disable Running Stall T Run stall trip Enable Disable Sel U C for Trip Undercurrent Power factor selected for trip Enable Disable Earth leakage Trip Earth Leakage Trip Enable Disable Low Pass Filter Enable Disable Iso Lockout T Isolation lockout trip Enable Disable Frequency Trip Frequency monitoring Enable Disable Auto TC Reset Cal Enable Disable Starts Per Hour Enable Disable Volt Phase Rev Enable Disable Vectorial Stall T Vectorial stall trip Enable Disable Table
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