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RX User Manual

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1. EN RX Relay base Figure 2 7 Remote Keypad Mounting Kit Components Cable Up to 6 feet 1 8m RX Series Digital Solid State protection Relays 5 2000A 2 8 Dimensions Note Drawing shown is the RX 5 P with Line c T Load Termination Adaptor E nan Lt il For Feed through versions use this i Fr i aw dimension KWA VAR n Frea rat tl ey A MOTOR Oooo PROTECTION RELAY f a l g A TI lt o SK T T T I T Bs Q s mE Figure 2 8 a Feed Through base unit example La B c 5 Aes es oa of Vf i i T l Figure 2 8 RX Dimensions RX Series Digital Solid State protection Relays 5 2000A Chapter 3 Motor Overload Protection MOTOR FLA F001 must be programmed for unit to operate ii H100 100 Thermal Capacity remaining at rest H057 57 Thermal Capacity remaining after starting 43 used 3 1 Solid State Overload Protection The RX Series Relay provides true U L listed ft Thermal Overload Protection as a built in function of the main digital processor for maximum motor protection It simulates the tripping action
2. 62 RX Series Digital Solid State protection Relays 5 2000A Chapter 7 Fault Conditions Additional information on Fault Codes and possible causes can be found in the Service and Troubleshooting Guide 7 1 Fault Codes and Numbers in History A three character fault code is displayed in the LED display at the time of the trip event The first two digits indicate the trip condition see Table 7 1 The third digit is a suffix showing the RX Series operating mode when the trip occurred Operating modes are as follows Code suffix A Acceleration meaning that the RX Series was ramping up but had not yet achieved At Speed status see section 4 2 9 b for a brief description of At Speed indication Code suffix C Constant Speed running meaning that the RX Series has reached the At Speed condition and the motor was running when the trip occurred Code suffix d Decel or Stop meaning that RX Series was either stopped off but power applied or if the Pump Flex Decel function was enabled it was engaged in the Soft Stop routine set up by F024 27 In addition to these fault display codes each trip condition has a corresponding numeric code that is stored in the Fault History see section 5 6 13 a These numeric codes follow the display codes exactly The following Table 7 1 shows Fault Display Codes Fault Number Codes LED indicators that would come on with them and descriptions Additional detai
3. Fn Group Function Description Adjustment Display Range Section 7 gt e 2 5 o S x a o S E gt c o E c 3 oc 1 00 00 23 59 hh mm or OFF 00 00 23 59 hh mm or OFF 00 00 23 59 hh mm or OFF 00 00 23 59 hh mm or OFF 00 00 23 59 hh mm or OFF Table 5 5 9 Run Timer and Time Clock Controller Function Group OFF OFF OFF OFF OFF OFF OFF 30 RX Series Digital Solid State protection Relays 5 2000A Communications Settings Setting Factory Increments Setting Range 0 4 0 Disabled 1 Enabled 11 bit format PpO 2 Enabled 10 bit format Communications 3 Enabled 11bit and Remote i Start Control 4 Enabled 10bit and Remote 5 6 10 Start Control Fn Group Function Description Adjustment Display Range Section Communications Baud Rate 4 8 9 6 and 19 2 KB 9 6 KB Modbus Address 1 247 Table 5 5 10 Serial Communications Function Group Input Contact Settings Setting Factory Increments Setting Section Fn Group Function Description Adjustment Display Range External Dry Contact Input Setting Range 0 2 y P 0 Disabled 1 External Trip Input 2 Start Button Input Note Start Button Input must be enabled while Run Timer or Remote Start Control is selected External Input Control Table 5 5 11 External Input Control Setting Factory Increments Setting Fn Group Function Description A
4. 39 5 6 3 Voltage Protections W 40 5 6 4 Phase amp Frequency Protections 42 5 6 5 Motor Power Protections 44 5 6 6 Lockouts Inhibits 4 46 5 6 7 Output RelayS eee 47 5 6 8 Motor Running Detection 48 5 6 9 Process Timer Time Clock Control 48 5 6 10 Communications 0 49 5 6 11 External Input o c 50 5 6 12 System Settings 00 ee 50 5 6 13 Auto Reset and Auto Restart 54 5 6 14 Factory Firmware 56 5 6 15 Timer Value Readouts 1 1 1 1 1 57 5 6 16 Fault History and Statistical Data 58 5 6 17 Relay 1 Fail Safe Programming 60 5 6 18 Test settings and Miscellaneous 60 Chapter 6 Start up 6 1 Basic Startup i 61 6 2 Start up Check List 62 Chapter 7 Fault Conditions 7 1 Fault Codes and Numbers 63 Appendices Appendix A Parameter Lock User Password Instructions c cccceeeee eee eee aes 66 Appendix B Process Control Timer Functions 0c cece cece cece cece esas a eea eens 68 Appendix C Ground Fault Installation Test Instructions 2 2 0 0 cceeeeeeeeneeeeeeeeneeeeneees 76 Appendix D Relay Settings Record eect eee eee ee eee e teeta teen nett ees 78 Appendix E RX Zero Sequence Ground Fault CT Option ceseeeeeeneeeeeeeeeeeeeee 84 Warranty Information 238 soon svensk Er enarmet a ud ned aks eea 86 Digi
5. Table 5 5 7 Output Relay Function Group 29 RX Series Digital Solid State protection Relays 5 2000A Status Settings Setting Factory Increments _ Setting Section Fn Group Function Description Adjustment Display Range Motor Running Detection 0 or 1 180 seconds 0 Auto sensing Current must go over 150 FLA first and then drop off to below FLA x Service Factor 1 180 sec Force to Run status after given delay time OR Auto sensing whichever occurs first Motor State Table 5 5 8 Motor Status Process Control Timer Settings Setting Factory Increments Setting 0 Disabled No timer operation 0 Run Timer Selection 1 Minimum Batch Run Timer 1 Disabled 2 Permissive Run Timer Run Timer Time 1 9999 minutes after a Start 1 1 for use in F050 above Command or Start Event from TCC SEC Start Event Cycle SEC Settings 24hr Time Clock Controller TCC 1 Loop SEC every da Start Event Mode 2 Loop SEC every 2 day 3 Loop SEC every 3 day Chose One Shot 4 Loop SEC every 4 day 0 or 1 to 7 Start Events 5 Loop SEC every 5 day 1 Gite skot from F053 F059 6 Loop SEC every 6 day ng 229 7 Loop SEC one day per week Run time for this mode comes 8 Single 24hr SEC from F050 above until programmed again 0 One Shot Start Event comes from Start command only A Start Event 1 Start Time 00 00 23 59 hh mm or OFF a Start Event 2 Start Time 00 00 23 59 hh mm or OFF HEN
6. gt MOTORTRONICS Solid State AC Motor Control ADVANCED INSTALLATION OPERATION amp PROGRAMMING MANUAL I weE OA B C PE kVA kVAR kWh Freq Za f MOTOR PROTECTION RELAY 17 Relay 1 A RX 02280701MN 09 11 12 FIRMWARE VERSION 1 72 Table of Contents Page Chapter 1 Introduction 1 1 General Description ss 1 1 2 Sizes and Ratings dsseeereereeer 4 Chapter 2 Installation 2 1 Receiving and Unpacking 5 2 2 Choosing a Location se 5 2 3 Initial Unit Inspection ee 5 2 4 SERVICE WARNING eee 6 2 5 Mounting and Cleaning 6 2 6 Terminations cceceeeeeeeeteeeeees 7 2 7 Remote Keypad Mounting 7 2 8 DIMENSIONS ss sas Seeders das 8 Chapter 3 Motor Overload Protection 3 1 Solid State Overload Protection 9 3 2 NEMA Class Trip Curves 65 11 Chapter 4 Connections 4 1 Line Power Connections 13 4 2 Control Connections 008 16 Chapter 5 Programming 5 1 Introduction cece eee 20 5 2 Digital Interface 0 0 0 20 5 3 Display Modes o s 21 5 4 Program Mode serene 22 5 4 5 Fault Mode 25 5 5 The RX Function List aeaa 28 5 6 Function Descriptions 34 5 6 1 Motor and Overload Functions 34 5 6 2 Current Protections 37 5 6 2 a Ground Fault Protection
7. 99 999 999 cycles Real Time Clock Based Metering and Use Statistics 1 1 4 Electrical Ratings Type of Load Three phase AC induction motors Direct Input 208 600VAC PT Input 6 15kV customer supplied PTs 120V secondary Tolerance 10 Frequency Programmable for 50 or 60Hz Direct Input 1 75A Amps Power Ratings CT Input 75 1200A using optional or customer supplied external CTs with 5A secondary A Operates with any phase sequence insensitive un SSSAROTAUON Programmable rotation trip ABC ACB Operating Temperature 0 to 50 C 32 to 122 F Ambient Condition Design Humidity 5 95 relative Altitude 0 3300 ft 1000m above sea level without derating Conirol Power 85 265VAC customer supplied no adjustments necessary 1 Dry voltage free contact input for Start or External Trip Uses 6VDC from an internal power supply 1 each Form A SPST Fail Safe configurable 10A 250VAC resistive also rated 1 3HP 10 0 LRA at 120VAC 2 Programmable Outputs 1 each Form C SPDT 5 Amps 250VAC max 1200VA resistive Can be programmed for 30 functions with trip delays Relay Test Energize force either relay or both Approvals UL Listed Canadian UL cUL Listed CE Approved 1 2 Sizes and Ratings The Motortronics RX Series protection relays are current rated Max Amp ratings are for continuous duty and must not be exceeded Always AC Supply Voltage RX Series Digital Solid State pro
8. F001 F003 0010 0015 0020 End Indicates that Phase A is drawing no current unit is in Off mode Press the Fn key Indicates that this is Function 001 Motor FLA The furthest right digit 1 is flashing indicating this is the digit that you will alter cursor position Press the UP Arrow key twice to increase this digit value to 3 Indicates that this is Function 003 OL Class During Start Press READ ENTER key to view the F003 value Indicates that the programmed OL is Class 10 during the Start Mode Cursor flashes on the right most digit Press the UP Arrow key to increase this digit value Indicates that you have increased the Function value by the increment assigned to it a value of 5 in this case Press the UP Arrow key again to increase this digit value Indicates that you have again increased the Function value by the increment assigned to it Press READ ENTER key to store the new value The word End will flash briefly to indicate that the new value has been entered and accepted After flashing once the display will revert to showing the Function number 5 4 4 Storing the Altered Value of a Function Example 2 Setting the OL Curve During Start Change from Class 10 to Class 20 Display Shows Key s K TI oO O oS veh ah s oO oO N m Zz ml D H A Q Means Phase A Current
9. Starts Inhibit 0 Disabled or 1 60 minutes Disabled Table 5 5 6 Lockouts and Inhibits Group Lockouts Output Relay Settings Setting Factory Increments Setting Section Fn Group Function Description Adjustment Display Range F047 Aux Relay 1 setting Operation 1 33 see below F048 Aux Relay 2 setting Operation 1 33 see below 1 Over Load During Start OLA 2 Over Load Constant Speed OLC 3 Any Overload Trip OLA or OLC 4 Voltage Imbalance El 5 Over Voltage OE 6 Under Voltage During Start UEA 7 Under Voltage Constant Speed UEC 8 Phase Rotation Rt 9 Over Frequency OF 10 Under Frequency UF 11 Current Imbalance Cl 12 Over Current OC 13 Stall Detection Sd 14 Peak Current PC 15 Under Current UC 16 Ground Fault GF 17 Power Factor PF Output Relays Relay Programming Operation Options 18 KW Power Trip Pr 19 Phase Loss PL 20 External Trip Et 21 Any Trip 22 Coast Down Time Cdt Inhibit 23 Starts Per Hour SPH Inhibit 24 Time Between Starts tbS Inhibit 25 Any Inhibit 26 Any Trip or Inhibit 27 Run Timer Engaged F050 28 Start Command 1 External Digital Input AND Run Timer if Run Timer engaged 2 External Digital Input ONLY if Run Timer disabled 29 Motor Starting or Running Status 30 Motor Running Status 31 Over Current Alarm 32 Under Current Alarm 33 Any Alarm
10. 265VAC 50 60 Hz mma BE TST E TE L1 L2 L3 A1 A2 not marked this way but also not polarity sensitive Figure 4 2 1 Control Power Supply Connection TB 1 Control Power Requirements The RX Series uses very little control power less than 10 watts total when operating The RX relay is internally fused at 125mA RX Series Digital Solid State protection Relays 5 2000A 4 2 2 Control Connections The output relays from TB2 have different power ratings Relay 1 is designed for higher power operation 10A 240VAC resistive or inductive and carries a 1 3HP rating at 120VAC max 10 0 LRA Relay 2 is rated 5A 240VAC resistive 1200VA maximum and is not rated for direct switching of motors Both relays must be protected from currents in excess of their ratings either with a fuse or with other suitable current protection devices g RELAY 1 RELAY 2 Figure 4 2 2 NO COM NO NC COM Control Connections TB 2 S S E E E e Max 10A 240VAC Max 5A 240VAC 1 3HP 250W 1200VA Inductive load 4 2 3 Two Wire Isolated Input PLC Connection An optional Isolated Input is provided that can be used with a dry contact i e from a separate contact on a switch relay or relay output of a PLC This input can be programmed as either a Start Run command for use in conjunction with the Process Timer and or Time Clock Controller functions or as a Remote Start when using serial communications control It can also be programmed as an Exte
11. The relay s At Speed detection circuit determines when the motor has reached full speed See Fn F049 section 5 6 8 When the At Speed condition is reached the overload trip curve will shift from the Start to the Run level as programmed in Functions F003 and F004 See Section 5 6 1 for programming details 3 2 2 Starting Overload Trip Curve During the start mode Overload Trip Curves are selectable from NEMA Class 5 through Class 20 only The default setting of Class 10 allows protection for the overload capacity of the soft relay as well as the motor Use a higher Trip Class only if nuisance tripping occurs with the default setting 3 2 3 Running Overload Curve During the Run mode Overload trip curves are selectable from NEMA Class 5 10 15 20 25 and 30 Program the appropriate curve according to the characteristics of your motor and load RX Series Digital Solid State protection Relays 5 2000A 3 2 4 Overload Trip Curve Chart 1000 100 Time in Seconds Class 30 Class 25 Class 20 Class 15 Class 10 Note Factory default setting is Class 10 for both Start and Run Overfoad Protection Figure 3 2 4 RX Series Overload Trip Curves RX Series Digital Solid State protection Relays 5 2000A Chapter 4 Connections 4 1 Line Power Connections Connect appropriately sized power conductors to the base unit input terminals marked L1 L2 L3 R S T for IEC users underneath the keypad These will be fo
12. 5 6 6 Lockout Features F044 F046 provide lockout protection for motors and equipment that may have potentially damaging consequences from premature restart or with limited duty cycles Time and count values for these lockouts can be viewed in F081 F085 Time values are based on the Real Time Clock and DO NOT reset when power is lost or disconnected Emergency clearing of lockouts can be accomplished in F071 WARNING When F044 through F046 are used with 2 wire control the starter may re start automatically when time has expired Adequate warnings similar to those in Section 3 1 3 b should be observed F044 Coast Down Lockout Timer Back Spin Timer Factory Setting 0 Disabled Range 1 60 minutes or 0 Disabled F044 1 through 60 sets the number of minutes that the starter must be off before a restart can be attempted This function is useful in applications such as pump motor backspin protection where you need to prevent the pump motor from restarting if it is spinning backwards 2 speed operations where speed changes require a minimum disconnect spin down timer or reversing applications to prevent plugging anti plugging timer F045 Maximum Starts per Hour Lockout Factory Setting 0 Disabled Range 1 10 or 0 Disabled F045 1 through 10 will count the number of start commands within a 1 hour period If the setting maximum starts per hour is exceeded starting is prohibited until sufficient time has e
13. Appendix A for details If the display reads Loc when the READ ENTER key is pressed the parameter lock is enabled Because they involve safety issues functions F071 through F108 are password protected by F072 and this is shipped with the password ENABLED Contact the factory for access to these functions 5 4 3 Changing a Function s Set Value From the instructions above after pressing the READ ENTER key the display will show the value of that function with one digit flashing usually the rightmost digit Flashing indicates this is the digit to be changed similar to cursor position Use the UP arrow key to increment the value of the flashing digit Use the DOWN arrow key to decrement the value of the flashing digit Use the LEFT or RIGHT arrow to select the next digit to be altered Values can only be changed within the Adjustment Range of the function parameter Example 1 Figure 5 4 3 Viewing a Function s Set Value Indicates Phase A is drawing no current unit is in Off mode Press the Fn key Indicates this is Function 001 Motor FLA Press READ ENTER key to view the F001 value Indicates the programmed motor FLA is 48 Amps The farthest right digit 8 is flashing indicating that this is the digit that you will alter cursor position Press the UP Arrow key to increase this digit value Indicates you have increased the right digit to a value of 9 Press the LEFT Arrow key to shift left to the next di
14. F013 F014 F015 Current Imbalance Trip Factory Setting 0 Disabled Range 1 30 or 0 Disabled Use to set the trip level when the current imbalance between any two phases exceeds this amount for the time specified with F011 Current Imbalance Trip Delay Factory Setting 2 seconds Range 1 20 seconds Provides a time delay to prevent nuisance trips from short duration transients Using default settings if the difference in output current between two phases exceeds 10 of FLA for more than 2 seconds the relay will trip Over Current Trip Shear Pin Trip Factory Setting 0 Disabled Range 50 300 FLA 0 Disabled When a value other than 0 is entered for F012 the relay will trip when the output current of any phase exceeds the amount set and the time specified in F013 This is also referred to as a Shear Pin Trip and can be used to protect mechanical components from breaking due to jammed loads Over Current Trip Delay Factory Setting 1 second Range 1 20 seconds Provides a time delay to prevent nuisance trips from short duration transients For example using default settings if the output current of any phase exceeds F012 for more than 1 second the relay will trip Under Current Trip Factory Setting 0 Disabled Range 10 90 FLA or 0 Disabled When a value other than 0 is entered for F044 the relay will trip when the output current of any phase drops below the amoun
15. Function 1 Displayed New Value of First Digit Previous Setting of Function 3 Value Increased by 1 Increment Value Increased by 1 Increment Value Accepted flashes once Return to Function Display Figure 5 4 3 a Changing a Function Value by Increments Once the desired value is displayed press the READ ENTER key This stores the value in memory The readout momentarily displays End and then returns to the function code Caution If the Fn key is pressed or power is lost before the READ ENTER key is pressed the RX Series Relay will not store the selected value in memory 24 RX Series PLA iBc oLc rSt 0000 SET STEDE Example Figure 5 4 5 Viewing a Fault and History Indicates that there was a Phase Loss during Acceleration The Decimal point on the right signifies that this is the current fault Press the UP Arrow key Displays the previous fault a Phase Imbalance during Constant Speed running Press the UP Arrow key Displays the oldest fault an Over Load trip during Constant speed running Press RESET key Flashes once to indicate a successful Reset of the current fault If it cannot be reset the display will read inH for Inhibited Returns to the Default Display indicating that the unit is ready to re start Remote Reset Figure 5 4 5 b Remote Reset Connection TB 2 br AC Control Power Supply Digital Solid State protecti
16. IS NOT INTENDED FOR USE AS A PERSONNEL PROTECTION GROUND FAULT This feature is only intended to provide a level of equipment protection against damaging ground currents Ground faults are potentially dangerous conditions and must be corrected immediately for safety of operating personnel F020 Ground Fault Trip Factory Setting 0 Disabled Range 5 90 of CT value or 0 Disabled When a value other than 0 is entered for F020 the relay will trip if current to ground exceeds this percentage of the unit CT value The CT value is shown in F073 see section 5 6 12 This value is different from the Unit Rating or FLA setting To calculate actual ground current multiply the Adjusted CT Ratio by the setting of F020 Example An 18A relay used with 5A CTs on a motor with 220FLA desired Ground Fault Trip level is 20A In this example the CT value reading from F073 will be 500 500 5 and the Primary Turns in F074 will be 2 500 CT ratio 2 Pri Turns Adjusted CT Ratio of 250 5 20 desired current 250 Adj CT Ratio 0 08 8 Set F020 to 8 F021 Ground Fault Trip Delay Factory Setting 2 seconds Range 1 60 seconds Provides a time delay to prevent nuisance trips from short duration transients Using default setting if the Ground Fault current exceeds the level set in F020 for more than 2 seconds the relay will trip CAUTION This method of Ground Fault sensing may not provide adequate equipment protect
17. Load during Constant speed OLC 8 Trip Over Load during Deceleration Old 9 Trip Current Imbalance during Acceleration CiA 10 Trip Current Imbalance during Constant speed CiC 11 Trip Current Imbalance during Deceleration Cid 12 Trip Under Current during Acceleration UCA 13 Trip Under Current during Constant speed UCC 14 Trip Under Current during Deceleration UCd 15 Trip Ground Fault during Acceleration GFA 16 Trip Ground Fault during Constant speed GFC 17 Trip Ground Fault during Deceleration GFd 18 Trip Rotation Trip during Acceleration RtA 19 Trip Rotation Trip during Constant speed RtC 20 Trip Rotation Trip during Deceleration Rtd 21 Trip Stall Detection During Accel SdA 22 Trip Stall Detection During Constant Speed SdC 23 Trip Stall Detection During Decel or Stop Sdd 24 Trip Peak Current During Accel PCA 25 Trip Peak Current During Constant Speed PCC 26 Trip Peak Current During Decel or Stop PCd 27 Trip Voltage Imbalance During Accel EiA 28 Trip Voltage Imbalance During Constant Speed EiC 29 Trip Voltage Imbalance During Decel or Stop Eid 30 Trip Over Voltage During Accel OEA 31 Trip Over Voltage During Constant Speed OEC 32 Trip Over Voltage During Decel or Stop OEd 33 Trip 64 RX Series Digital Solid State protection Relays 5 2000A Under Voltage During Accel UEA 34 Trip Under Voltage During Constant Speed UEC 35 Trip Under Vol
18. Process Timer 2 modes Real Time Clock RTC Coniroller 2 Programmable Output Relays 1 form C SPDT 1 form A SPST programmable to 30 functions 22 Trip functions 4 Inhibit functions 3 status functions and 1 Control function 1 External Input for external Trip or Start command Minimum Batch Timer Runs until timer expires Permissive Run Timer Runs only during specified times Time Range 0 9999 minutes 24 7 Time Clock Controller works with Process Timer for run time Time Range 1 24 hours Cycle Setting 1 7 days per week Event Settings 1 7 start events per day RX Series Digital Solid State protection Relays 5 2000A 1 1 3 Metering Features Current Meterin A B C phases individually or Average of all three phases g Ground Fault Current 2 A B B C or C A phase voltage Voltage Motoring Average of all three phases Motor kW or MW Motor kVA or MVA Power Metering Motor kVAR or MVAR Motor Power Factor Leading inductive or Lagging capacitive indication Current Imbalance percentage Voltage Imbalance percentage Rotation Sequence Frequency Phase Metering Motor Remaining Thermal Capacity Thermal Capacity to Reset Restart Delay Time after a power failure Coast Down Inhibit Time Time Between Starts Inhibit Time Process Timer Elapsed Time 24hr Time Clock Controller Time kWH or MWH power usage Motor Running Time Elapsed Time Meter 0 9 999 999 9 hrs Motor Run Cycle Counter 0
19. current values lower than 50 of the unit Max Amp rating it is sometime necessary to pass the current through the CT windows more than once referred to as Turns because the wire must turn to form a loop The number of turns used must be entered here so that the display and protection systems will read correctly 52 RX Series F075 Digital Solid State protection Relays 5 2000A PT Ratio Factory Setting 1 1 1 Range 1 1 1 or 2 200 1 for kV input If the line voltage exceeds 600V use a Potential Transformer to bring the applied voltage down to 120V or less on the RX Series relay terminals When this is done enter the PT ratio as a whole number into this function do that the displayed and calculated references are correct Example 4160V motor application Note 4160V 120V input 34 7 1 ratio Use 40 1 PT so input voltage to relay is 120V or less 104V Enter 40 into F075 so that calculations are correct When a value other than 1 is entered into F075 the RX Series will automatically calibrate the display for kV reading but the correct line voltage must also be entered into F007 for proper protection 53 Digital Solid State protection Relays 5 2000A 5 6 12 b Status Display F076 Default Status Display Factory Setting 2 Phase A Current Range 1 20 The RX Series display can be scrolled through 20 different status display readouts as described in the following table Thi
20. disable Overload Protection unless another Thermal Overload Protection device exists in the circuit for all three phases Running a motor without Overload Protection presents serious risk of motor damage or fire 3 1 3 a Manual Reset The factory default setting is Manual Reset This means that when the Overload Trip is activated the starter cannot be restarted without pressing the Reset key The Overload Trip will not reset until the motor cools down see 3 1 3 d The Manual Reset function is also trip free Holding in the Reset key will not prevent the Overload Trip from activating and protecting the motor Note When the Overload Trip activates the Overload LED will glow solid When the motor cools down the LED will begin to flash indicating that the Overload Trip can be reset 3 1 3 b Automatic Reset If Automatic Reset is necessary change from Manual Reset to Automatic Reset by using Function F005 See Section 5 for details In this mode a 3 wire control circuit will be capable of restart when the RX Series has reset itself after the cool down period WARNING Two wire control systems may restart without warning when Auto Reset of the overload protection is selected Extreme caution should be exercised To prevent automatic restarting with 2 wire control systems use external interlocking to provide sufficient warning and safety to operators A Warning Label similar to that shown below and the one provided in the p
21. displayed value is based on the A BandC phase s shown If all 3 are On this indicates the value i shown is an Average of all 3 phases PF Indicates that the displayed value is Motor Power Factor Lights to indicate that the Phase LEDs described above are indicating the status is based on the descriptions Lower shown below the LEDs instead of above So the A B C and PF LEDs become kVA kVAR KWH and Frequency respectively kVAR 2 Tier indicating that the displayed value is one of kVAR these power conditions instead of Phase Currents and kWH Freq Power Factor F 4 digit 7 segment display with a decimal point on the Display Gene right side indicating Phase A Table 5 2 RX Series Display Features Arrows 20 RX Series Default Scroll Through Displays Current in Phase A Digital Solid State protection Relays 5 2000A 5 3 Display Modes There are three modes of display the Status Display Mode the Program Mode and the Fault Mode 5 3 1 Status Display Mode Default Display The Status Display Mode displays 20 screens of information as shown in the chart below This is the default mode when the RX Series relay is first powered on and also the point from where the Program Mode can be entered Although all 20 screens can be scrolled through the first screen default screen can be programmed in F076 see section 5 6 12 b for additional details Display Example 7 7 I A LED s
22. for event 3 F056 Event 4 Start Time Same as above except for event 4 F057 Event 5 Start Time Same as above except for event 5 F058 Event 6 Start Time Same as above except for event 6 F059 Event 7 Start Time Same as above except for event 7 Note Start Events are completely independent of one another and can be programmed in any order For instance the Start Time in F057 can be earlier than the Start Time in F053 This allows easier alterations or additions of new Start Times after a unit is already installed 73 RX Series Function Type Setting Digital Solid State protection Relays 5 2000A Function Description Range Timer Initiated By Motor Starts When Timer Reset When Process Control Timer Mode 0 No Process Control Timer operation default setting from factory Minimum Batch Run Timer works the same with or without TCC control Start command and or TCC Start command Permissive Run Timer without TCC F052 0 One Shot Permissive Run Timer with TCC F052 2 thru 8 Start command TCC Start Event only Start command Process Timer Value 24 hr 7 day Time Clock Controller Timer value setting used by F050 Range 1 9999 minutes 166 65 hours One Shot follows Start command only Loop the Start Even Cycle SEC daily Loop the 24hr SEC every other day Loop the 24hr SEC every 3 day Loop
23. of a bi metallic overload relay with the accuracy and repeatability of a digital control system It is adjustable over a wide range and can be easily programmed for different trip curves 3 1 1 Thermal Memory The RX Series microprocessor uses a sophisticated Thermal Register in the digital memory to keep track of motor heating and cooling over time regardless of the relay s power status By using non volatile memory the RX Series will not forget that the motor has been running even if power to the relay has been turned off and back on Continuous overload protection is provided based on the true thermal condition of the motor 3 1 2 Thermal Capacity The Thermal Register is displayed as a percentage This percentage is the motor s remaining thermal capacity The percentage value begins at 100 showing that the motor is cool has 100 of its capacity available As the motor heats up or moves toward an overload condition the percentage begins to drop The Thermal Capacity is derived from the programmed motor nameplate Full Load Amps FLA in Function F001 the Service Factor rating in Function F002 and the Overload Trip Class in Functions F003 and F004 Setting these functions to the proper values provides maximum protection and eliminates nuisance tripping The Remaining Thermal Capacity can be viewed by using the UP or DOWN arrow keys when in the Status Display mode From the default Phase A Current screen dot on right
24. precedence 41 RX Series Digital Solid State protection Relays 5 2000A 5 6 4 Phase and Frequency Protection Features F030 F036 set extended protection features that may be used in the RX Series relay Note SOME of these features are enabled at the factory others are not and must be enabled via user programming as follows F030 Phase Rotation Trip Factory Setting 1 A B C Range 1 A B C 2 B A C or 0 Disabled The RX Series is set up to monitor an expected Phase Rotation and trip if it changes Control of this is divided into two categories ON OFF and Expected Sequence The default setting is ON with an Expected Sequence of A B C rotation Setting 1 The ability to turn this feature OFF setting 0 is useful in applications where the RX Series relay is going to be used downstream from an existing reversing contactor starter or to avoid conflicts with other protection devices On large motors where large multiple conductors are used it may be easier to change the Expected Sequence in the RX Series relay rather than swap the conductors Note There are several power utilities that although they claim to provide A B C rotation are actually using B A C rotation as defined by many rotation detection circuits such as that used by the RX Series relay Example Pacific Gas and Electric in California This only means that at initial startup you may get a ROT trip indication even though you may bel
25. provide an RMA for the components and they will be evaluated and repaired at the factory and returned In either circumstance freight shipping costs are the responsibility of the purchaser Responsibility Company is not responsible for the misuse or misapplication of its products intentional or otherwise Improper application installation failure to provide safety devices or protective measures or operation above the rated and failure to properly maintain or service products are all beyond the control and responsibility of the Company Under no circumstances shall the Company be liable for loss of profits indirect incidental special consequential or other similar damages arising out of the misuse misapplication or failure to maintain the Company s products 87 RX Series Digital Solid State protection Relays 5 2000A W MOTORTRONICS Solid State AC Motor Controls For the latest product information visit www motortronics com Phasetronics Inc dba as Motortronics 1600 Sunshine Drive Clearwater Florida 33765 USA Tel 727 573 1819 or 888 767 7792 Fax 727 573 1803 or 800 548 4104 E Mail sales motortronics com RX 02280701MN Rev 6 2 09 11 12
26. replace any malfunctioning units or sub assemblies under warranty at the Company sole option Warranty repairs may be performed at the Company s facility in the field by a factory authorized technician or by the customer only with prior approval and at the specific direction of the Company s Technical Services personnel During the 1 year period malfunctions will be dealt with by replacement of the unit Warranty Service Procedure In the event that warranty service becomes necessary contact the distributor where the relay was purchased or Motortronics Technical Services department directly at 727 573 1819 Be prepared to provide the complete Model number Serial Number date and place of purchase It is also helpful to know the date of initial commissioning When a technician has determined the nature of the problem and it can be repaired by sending replacement parts or assemblies they will require a purchase order for replacement parts and issue a Return Material Authorization RMA for the defective parts or assemblies If any components or assemblies are received at the factory without the proper RMA documentation the shipment s will be refused When the replacement parts are received and evaluated at the factory any warranty determination will result in an offsetting credit being issued for the replacement parts already sent out If the unit is not needed for operation an alternative is to have the Technical Services representative
27. specified performance and normal operation lifetime The RX Series should always be installed in an area where the following conditions exist Ambient operating temperature Panel open chassis unit 0 to 50 C 32 to 122 F Enclosed unit 0 to 40 C 32 to 104 F Protected from rain moisture and direct sun Humidity 5 to 95 non condensing Free from metallic particles conductive dust and corrosive gas Free from excessive vibration below 0 5G Units must be mounted in the appropriate type of enclosure 2 3 Initial Unit Inspection Make a complete visual check of the unit for damage that may have occurred during shipping and handling Do not attempt to continue installation or start up the unit if it is damaged Check for loose mechanical assemblies or broken wires which may have occurred during transportation or handling Loose electrical connections will increase resistance and cause the unit to function improperly Prior to beginning the installation verify that the motor and RX Series unit are rated for the proper amperage and voltage RX Series LOCKED OUT DO NOT REMOVE Signed By Date Digital Solid State protection Relays 5 2000A 2 4 SERVICE WARNING Do not service equipment with voltage applied The unit can be the source of fatal electrical shocks To avoid shock hazard disconnect main power and control power before working on the unit Warning labels must be attached to te
28. that RELAY 1 contacts have changed state to indicate a Ground Fault Trip has occurred Turn the Lamp Test Switch to OFF and unplug both 120VAC power cords Disconnect the lamp load from Phase A and move to the next phase Repeat Step 4 testing procedure then turn off Lamp Test Switch and move lamp load to Phase C to repeat Step 4 one more time STEP 6 Return the RX Series to the original factory settings condition Set F072 to 2000 Password Set F071 to 2 Rest RX Series To Factory Settings Set F072 to 2000 Password Set F073 to 5 CT Value Set F001 to 5 FLA End Ground Fault Circuit Interruption Test SEE NEXT PAGE FOR GROUND FAULT TEST RECORD Ground Fault Installation Test Record Date Test Performed Step 1 Insert Values 78 RX Series Digital Solid State protection Relays 5 2000A A Wiring Connected B PT Ratio C Primary CT Ratio D CPT Secondary If installed E CPT Ratio If installed F Multilin CT Ratio If installed G Ground Fault CT Ratio If installed Step 1 Check After Tested A LCD Characters B Alarm LED C Trip LED D Run LED E Power On LED F Aux Relay LEDs 1 2 3 4 5 6 7 8 3 Digital Control Unit Initial Settings SEE NOTE BELOW Insert Values Panel Current Setting F W Version 50 60 Hertz Max Acceleration Time Unit Voltage Decel Enabled Yes No aMOOW D gt 4 Unit Tests Performed Initials Low Voltage Panel Test Unit Hi Pote
29. that a load operates for a minimum amount Note of time regardless of other circumstances Examples would be Irrigation pumps where a specific amount of pumping time is required even if the pump is shut down on a low level alarm and then resets or power fails and returns Mixers that need to agitate for a specific amount of time yet may be shut down when power fails or as product is added Aeration Blowers that must be run for minimum amounts of time to ensure that proper aeration contact time has been provided to a tank In 2 wire control systems where the Run command is maintained the relay will automatically restart after a power failure or a Trip is reset Use appropriate warnings as mentioned in section 3 1 3 6 see the following F052 description for an exception to this In 3 wire control systems a new Start command will be required to restart the relay 68 RX Series Example Figure App B 1 Minimum Run Batch Timer An irrigation pump needs to come on when called for by a soil moisture control system and run for 1 2 hour If during that 1 2 hour the well level drops and shuts the pump down the pump needs to restart when the well recovers and finish the 2 hour pump time Set F050 to 0001 for Minimum Run Timer This will ensure that when the well level recovers and resets the run command the relay will finish the time sequence Set F051 to 0030 minutes This is the Run Time that ensures the proper
30. the 24hr SEC every 4 day Loop the 24hr SEC every 5 day Loop the 24hr SEC every 6 day Loop the 24hr SEC one day per week Single 24hr SEC without repeating until programmed again Start command 24hr Real Time Clock on day of program change Event 1 24hr TCC Start Time for Event 1 Event 2 24hr TCC Start Time for Event 2 Event 3 24hr TCC Start Time for Event 3 Event 4 24hr TCC Start Time for Event 4 Event 5 24hr TCC Start Time for Event 5 Event 6 24hr TCC Start Time for Event 6 Event 7 Chart APP B 1 24hr TCC Start Time for Event 7 Process Timer and TCC Operations Logic Chart Note Start command Per F050 setting Time Expires Trip or Stop Command Per F050 setting Per F050 setting check settings before using the Process Control Timer 74 Time Expires Stop command onl Time Expires Next SEC only Per F050 setting Per F050 setting Continuous unless program is changed Change of Program Continuous unless program is changed These functions may interact with the Coast Down Lockout F044 Stars per Hour Lockout F045 Minimum Time Between Starts F046 Auto Reset F078 and Restart Delay Time F079 functions if enabled Be sure to read and understand descriptions of those functions then RX Series Digital Solid State protection Relays 5 2000A Examp
31. 0 Disable N3PH Set F049 to 1 Run Mode After 100 WATT 120V AC LAMP amp SOCKET 1e0VvAC TEST POWER SOURCE 1 Sec Set F032 to 0 Disable Phase Loss Set F030 to 0 Disable Rotation Set F021 to 1 GF Trip Delay Set F001 to 2 FLA Low To Allow Run Mode Press the RESET button on the keypad to clear any faults Test Procedure Continued On Next Page Ground FagH fdst Procedure Continued From Previous Page STEP 4 The RX Series is now configured to begin testing the GF Circuit Interruption circuitry Turn the Lamp Test Switch to ON 77 RX Series Digital Solid State protection Relays 5 2000A Press the UP or DOWN button on the keypad in order to see the Ground Fault current readout Write down the number displayed on the readout after rounding down to the nearest whole number in the Test Record Turn the Lamp Test Switch to OFF Using the number written down calculate the Ground Fault percentage of CT Value GF GF Reading X 20 STEP 5 Programming the RX Series in order to make it trip on a Ground Fault trip Set F020 to the GF number you calculated above plus 2 Turn the Lamp Test Switch to ON The RX Series should NOT trip after the trip delay of one second has expired Turn the Lamp Test Switch to OFF Set F020 to the GF number minus 2 Turn the Lamp Test Switch to ON The RX Series SHOULD trip after a trip delay of one second Confirm
32. 6 Run Time Hours Factory Setting 0000 Range 000 9 999 9 hours Run counts in excess of 999 9 are recorded in F097 F097 Run Time K Hours Factory Setting 0000 Range 0000 9999 K hours 0001 in readout means a run time of 1 000 hours F098 Run Counts Factory Setting 0000 Range 0000 9999 Run counts in excess of 9999 are recorded in F099 F099 Run Counts 10K Times Factory Setting 0000 Range 0000 9999 10 thousand times 0001 in readout means a run count of 10 000 operations Overflow Basic Examples Value Value Run Time Fog7 23 047 Hours 0002 3047 F099 F098 Run Counts 18 702 Starts Table 5 6 16b Statistical Data Examples F096 through F108 Reserved for Factory Use 59 RX Series Digital Solid State protection Relays 5 2000A 5 6 17 Relay 1 Fail Safe Programming Relay 1 is designed to be used as a Fail Safe relay with a Normally Open contact Fail Safe means it is a Held Closed contact when conditions are normal and will re open when the programmed condition occurs i e Any Trip It also means that when power is off the relay state will revert to being Open This function F109 can be used to change Relay 1 to be a normal relay Direct Acting which would mean itis a NO contact that closes only when the programmed condition occurs F109 Fail Safe Mode for Relay 1 Factory Setting 1 Relay is Fail Safe Range 0 1 Use this function to a
33. B C w 2 sec delay Change if necessary F032 Phase Loss Trip Delay Change as necessary Inactive unless selected Inactive unless selected F037 F043 Inactive unless selected F044 F046 Inactive unless selected F049 Change only if necessary F050 F059 Activate only if necessary F060 F062 Activate only if necessary F063 Activate only if necessary F064 F076 System settings and time clock C User choice to adjust clock F077 F079 Activate only if necessary F080 F111 Statistical data and Test functions e View only 61 RX Series Digital Solid State protection Relays 5 2000A 6 2 Start up Check List Supply voltage matches the rated supply voltage of the unit Horsepower and current ratings of the motor and unit match Power lines are attached to the unit input terminals L1 L2 and L3 Motor leads are passed through the CT windows or connected to the adaptor External CTs are connected to the adaptor if used Appropriate control power is applied and or control connections have been made Four 7 segment LED readouts are visible The motor s FLA has been programmed in function F001 Line voltage has been programmed into F006 or F007 if kV The thermal overload is properly set Use F003 and F004 to set OL Class The motor controller coil circuit is connected in such a way that the relay will drop it out on a trip Test this by using F111
34. Blinking A key Current in Phase B 80 I B A key Current in Phase C 8 3 I C A key Average Current 80 I A B C A key Current Imbalance OL A OB BC A key Voltage AB 30 if V lt 9999 3 if V gt 9999 indicating kV or 2360V E A B A key Voltage BC O228 E B C A key Voltage CA O23 3 E A C A key Average Voltage O 2 3 0 E A B C Decimal point is added to the center if Voltage exceeds 9999V indicating the content value is kV A key Voltage Imbalance O0O02 E A OB BC A key Power Factor Fr O 85 or7 1 03 PF 1 Inductive Load lagging L Capacitive Load leading A key Motor power kW L O O O if kW lt 9999 O O O 1 if kW gt 9999 indicating MW 1 E A key kVA Similar to above except kVA A Row2 A key kVAR Similar to above except KVAR B Row2 A key Energy use in kWh Similar to above except kWh C Row2 Decimal point is added to the right if the displayed value is greater than 9999 which indicates the content value is MW or MVA MVAR MWh as the case may be A key Frequency OGO O0O PF Row2 Left digit is always 0 A key Ground Current GOOo2 A key Process Timer Remaining Time OO 1 4 minutes Display Blinks when process time is c
35. Factory Setting 0 Disabled Range 1 10 Attempts or 0 Disabled If F077 0 default setting the RX Series will not attempt to restart automatically If F077 1 through 10 the RX Series will attempt to restart if the Start Command is present for this number of times 55 RX Series Digital Solid State protection Relays 5 2000A 5 6 13 b Auto Restart after Power Failure The RX Series can be programmed to delay restarting upon restoration of line power after an outage This allows multiple units to be programmed to restart at staggered times in an effort to avoid causing additional problems with the power supply system Another term for this is Sequential Start Delay F079 Restart Delay Time Factory Setting 0 Disabled Range 0 Disabled no delay or 1 999 seconds Sets a delay time before the relay will allow restarting after a complete loss of power Use this if multiple motors are connected to a supply system that may have trouble providing adequate power to restart them all at the same time By using different Restart Delay Times on each unit a sequential restart can be achieved Notes For Auto Restart to function on a Motor Starter the RX Series must have Start Control of the starter using the Output Relay typically Relay 2 See Section 5 6 7 for programming of Fn F047 and F048 for more details F079 is similar to the Coast Down Lockout Timer in F044 however it only activates on Power Lo
36. Firmware Record Auto Reset on Selected Faults Auto Reset and Restart Setting Factory Increments Setting Table 5 5 14 Firmware Record Fn Group Function Description Adjustment Display Range Section Timer and Counter Value Records Setting Factory Increments Setting Restart Delay Time Value Coast Down Timer Value Starts Per Hour Timer Value z 7 5 6 15 tarts Per Hour count Time Value Between Starts Thermal Capacity t Start i i for F005 0 100 Thermal Capacity 1 Table 5 5 15 Inhibit Time and Counter Values Group Fn Group Function Description Adjustment Display Range Section n 3 3 gt o 2 Z gt fe Oo gt c E mal re lt 32 RX Series Fault History and Statistical Data Fn Group Function Description Fault History 1 Latest Fault Time Stamp Fault 1 Based on F078 80 Date Stamp Fault 1 Based on F076 77 Fault History 2 Previous Fault Time Stamp Fault 2 Date Stamp Fault 2 Fault History 3 Oldest Fault Time Stamp Fault 3 Fault History and Run Data Date Stamp Fault 3 Run Time Hours Run Time 1000 Hour Overflow Run Cycle Counter Run Cycle Counter 10K overflow Table 5 5 16 Fault History and Run Data Group Fail Safe Group Function Description Fail Safe Operation for Aux Relay 1 Fail Safe and Test Functions Relay Test Table 5 5 17 Test Function Group Note prior to testing the r
37. MUST be set by the user is motor FLA F001 5 2 Digital Interface The RX Series Soft Relay includes an intuitive digital keypad with eight LEDs seven command keys and an LED display with four alphanumeric digits Clears the Trip indication and releases the Trip Relay Enters or exits the Program Mode Used to Read a value of either a Function or its contents After changes are made pressing it again Read Enter Enters stores the changes in to the relay EEPROM memory Navigates through the Status Display Mode scrolls up and down through the Function List increases or Up and decreases the value of the active flashing digit and Down scrolls through the fault history When entering values Arrows holding the key down for more than 2 seconds will activate Auto step which increases the rate the longer the key is held down Right and Each key press shifts the active flashing digit to the Left right or left by one position allowing you to change higher values of functions without waiting to Auto step though large numbers Tri Lights whenever any Trip function is active stays lit as p long as the relay is in Trip Mode see below A Lights when the respective relay is energized An LED indicates the value of the display is based on Current An E LED indicates the value in the land E display is based on Voltage If both are lit simultaneously the displayed value is kW motor power Indicates that the
38. RX Series F006 F007 F008 F009 Digital Solid State protection Relays 5 2000A Voltage Input nominal line voltage Factory Setting 480 V Range 200 600 V Set to the nominal line voltage when used in Low Voltage Systems This value is used for both display and calculations of kW PF etc Low Voltage rating is determined by the setting of the PT Ratio in F075 When F075 is set to 1 1 1 the RX will read the value in this function as the Low Voltage rating and the Medium Voltage setting in F007 will be ignored kV Voltage Input nominal line Medium Voltage Factory Setting 4 16 kV Range 0 6 15 0 kV Set to the nominal line voltage when used in Medium Voltage Systems This value is used for both display and calculations of kW PF etc Medium Voltage rating is determined by the setting of the PT Ratio in F075 When F075 is set to any value other than 1 1 1 i e 200 1 on a 2400V system the RX will read the value in this function as the Medium Voltage rating based on that PT ratio and the Low Voltage setting in F006 will be ignored Line Frequency Factory Setting 60 Hz Range 50 or 60 Hz Set to the nominal line frequency This value is used for both display and in trip functions F033 and F035 Acceleration Time Factory Setting 30 sec Range 0 300 sec 0 Disabled Set to the maximum acceleration time that the motor is allowed before tripping regardless of w
39. Range 1 180 seconds Provides a time delay to prevent nuisance trips from short duration transients Using default setting if the voltage of any phase drops by the percentage set in F026 for more than 10 seconds the relay will trip Under Voltage Trip on Run Factory Setting 0 Disabled Range 1 30 under nominal or 0 Disabled When a value other than 0 is entered for F026 the relay will trip when the voltage of any phase drops below the nominal setting of F006 or F007 by this percentage amount and for the time specified in F029 This fault condition is only active after the relay enters the Run mode as determined by the settings of F049 to protect against excessive voltage drop from the supply While the relay is still in the Start mode this function is ignored in favor of F026 Under Voltage on Run Trip Delay Factory Setting 2 seconds Range 1 20 seconds Provides a time delay to prevent nuisance trips from short duration transients Using default setting if the voltage of any phase drops by the percentage set in F026 for more than 2 seconds the relay will trip Note Under Voltage and Over Voltage Trip settings may conflict with Voltage Imbalance Trip settings set in F022 and F023 because they are all based upon ANY phase voltage being out of range not an average of all 3 If a voltage anomaly occurs that is set out of range of any feature the one with the lowest settings and fastest trip time will take
40. See list 1 30 possible Use to program the desired operation for Relay 1 This relay is pre set as Fail Safe meaning that it is a Normally Open Held Closed contact which re opens when the programmed condition occurs For this reason Aux Relay 1 should only be used for the first 26 Trip functions See F109 in section 5 6 17 F048 Aux Relay 2 Form C SPDT Standard Relay Factory Setting 28 Start Command Range 1 30 See list Use to program the desired operation for Relay 2 Setting Relay Operation Description Voltage Imbalance EI Under Voltage Constant Speed UEC Ground Fault Power Facto KW Power Trip Phase Loss External Trip Any Trip 1 20 Coast Down Time Inhibit Under Frequency UF Peak Current Short Circuit PC Motor Starting or Running Status Under Current UC Motor Running Status Note For setting 28 Start Command the relay will change state on the following conditions 1 External Digital Input AND Run Timer if Run Timer engaged 2 External Digital Input ONLY if Run Timer disabled Table 5 6 7 Output Relay Programming ime Between Starts Inhibit ny Inhibit ny Trip or Inhibit un Timer Engaged F050 tart Command see below e am 22 e Phase Rotation SSSR f 2s Starts Per Hour Inhibit o 47 RX Series Digital Solid State protection Relays 5 2000A 5 6 8 Motor Running Detection Settings The RX Series can be adjusted as to how it detects t
41. Service Factor in F002 is increased the FLA range will drop by an equal percentage For example if the CT ratio in F073 is 50 5 no extra turns in F074 the maximum setting is 50A If F002 1 15 1 15 Service Factor the max amp rating becomes 50 15 50 x 85 So the maximum FLA programmable into F001 will be limited to 42 5A F002 Service Factor Factory Setting 1 0 S F Range 1 00 1 30 Set value according to the Service Factor SF data provided on the motor s nameplate This value affects several protection features so it must be accurate Setting the SF too high may result in motor damage in an overload condition Setting SF too low may cause nuisance trips however a 1 0 SF setting is safest if SF is unknown Note IEC metric designed motors do not use Service Factors and as such are always 1 0 34 RX Series Digital Solid State protection Relays 5 2000A F003 Overload Class During Start Factory Setting 10 Class 10 Range NEMA UL Class 5 30 Set value to the motor protection overload class required for the application It is recommended that you try the factory setting first If possible keep values for F003 and F004 the same Increase F003 above F004 only if nuisance tripping occurs during start See Section 3 2 for details on trip curves F004 Overload Class During Run Factory Setting 10 Class 10 Range 5 30 NEMA UL Class Set value according to the instructions provi
42. abled Range 1 10 over nominal 0 Disabled When a value other than 0 is entered for F024 the relay will trip when the voltage of any phase exceeds the nominal voltage set in F006 or F007by this percentage amount and for the time specified in F025 F025 Over Voltage Trip Delay Factory Setting 10 seconds Range 1 20 seconds Provides a time delay to prevent nuisance trips from short duration transients For example using default settings if the voltage of any phase exceeds the percentage set in F025 for more than 10 seconds the relay will trip 40 RX Series F026 F026 or F028 Under Voltage Trip Setting ord F006 or F007 F027 or F029 U V Trip Delay Line Voltage Phase Voltage Time Figure 5 6 3 b F027 Under Voltage Trip F028 F029 Digital Solid State protection Relays 5 2000A Under Voltage Trip on Start Factory Setting 0 Disabled Range 1 30 under nominal or 0 Disabled When a value other than 0 is entered for F026 the relay will trip when the voltage of any phase drops below the nominal setting of F006 or F007 by this percentage amount and for the time specified in F027 This fault condition is only active during the Start mode as determined by the settings of F049 to protect against excessive voltage drop on start up Once the relay has changed to Run mode this function is replaced by F028 Under Voltage on Start Trip Delay Factory Setting 10 seconds
43. acket with this manual must be located where visible on the starter enclosure and or the driven equipment as required by local code WARNING MOTOR CONNECTED TO THIS EQUIPMENT MAY START AUTOMATICALLY WITHOUT WARNING RX Series Digital Solid State protection Relays 5 2000A 3 1 3 d Dynamic Reset Capacity The RX Series includes the ability to dynamically track the Thermal Capacity needed for a successful restart after an overload trip It averages the Thermal Capacity consumed in the previous three successful starts and calculates a Thermal Capacity to Start viewed in Function F086 After tripping on Overload the Thermal Register must have regained the amount recorded in F086 before a Reset will be allowed If the display reads Inh when attempting to reset an overload trip it is indicating that the relay is Inhibited from being reset Refer to details of Function F071 for information on emergency override of lockouts such as this 3 2 NEMA Class Trip Curves NEMA Class trip curves are based on a common tripping point of 600 of motor Full Load Amps FLA Curves vary by the amount of time before the unit trips As an example a Class 20 curve will trip in 20 seconds at 600 of FLA The factory default setting of Class 10 will trip in 10 seconds at 600 of FLA 3 2 1 Dual Overload Trip Curves The RX Series Soft Relay provides two separate Overload Trip Protection Curves one for starting and one for running conditions
44. amount of irrigation getting to the crop Not Shown Ensure F052 is set to 0000 for One Shot This will allow the Start command provided by the external control system to engage the relay at any time it is required Another example of this function used with the Time Clock Controller is provided further on Notes on interactions with other functions vo og gt Ye Tl N m J Ke oy k NOW fem kon Koy ma Kon re ro ENTER READ ENTER x oo B9 e i HABA 5S KN KX A O Digital Solid State protection Relays 5 2000A Example Process Timer for Well Pump Means Starting at Function 50 Default Setting of Function 50 Set F050 1 Minimum Run Timer Value Accepted flashes once Change to F051 Default Setting of Function 51 Change Setting to 30 minutes Value Accepted flashes once Return to Function Display Cycle Control Power to Accept Changes Figure App B 1 Programming the Minimum Run Timer Functions When used with F079 Auto Restart Delay the Minimum Batch Timer will not resume counting down until F079 has expired and the relay has been restarted When used with 3 wire control it may be necessary to maintain a Start Command until after F079 has expired or repeat it if momentary When used with F044 F046 Lockout Protection features the Minimum Batch Timer will not resume counting down until those settings have been satisfied and the RX Se
45. an be connected to motors controlled by RX Series relays however because the RX Series measures power factor for several functions the PFC capacitors should be connected downstream after of the relay 4 1 4 Grounding The RX Series relay is designed in a totally insulated case for use in a floating ground condition therefore there are no grounding provisions provided or necessary 4 1 5 Testing The RX Series can be tested by forcing the relay contacts See Fn F111 in section 5 6 18 for more details RX Series Digital Solid State protection Relays 5 2000A 4 2 Control Connections Control connections on the RX Series relay are divided into 2 groups With the unit oriented vertically TB1 is a 5 connection terminal block on the top and TB2 is a 7 connection terminal block on the bottom Following are descriptions of control connection points TB 1 NAAN HA Hh t RELAY 1 RELAY fas NO COM NO NC COM TB 2 Figure 4 2 Control Terminal Blocks 4 2 1 AC Control Power Supply Connection A separate AC Control Power supply is required to power the electronics of the RX Series relay The control power input must be from 85 to 265VAC either 50 or 60 Hz and must be connected to terminals marked AC IN 120 240VAC of TB 2 These terminals are the equivalent of A1 and A2 in IEC terminology as shown in figure 4 2 1 below This control voltage must be customer supplied AC Control Power Supply 80
46. any chemicals to clean the unit To remove surface dust use clean dry 80 to 100 psi compressed air only A high quality dry paintbrush is helpful to loosen up the dust prior to using compressed air on the unit Do not use wire brushes or other conductive cleaning materials 2 6 Terminations All line and control power terminations are to be made to the plated saddle clamp terminals located on each unit Motortronics recommends using crimp on terminals wherever practical Motor current conductors can feed through the built in CT holes at the base of the relay The RX 5 P also comes with a Line Load Power Terminal block that permits separate Line and Load power connections to be made with up to 12 ga wire This unit can be removed to provide access to the feed through CT holes if desired Note All wiring must be sized according to local code standards 2 7 Remote Keypad Mounting The keypad operator interface unit can be remotely mounted up to 6 1 8 meters away from the relay i e on an enclosure door A remote mounting kit is not necessary only a keypad sealing gasket only necessary for NEMA 12 IP65 enclosures is needed and a standard DB 9 connection cable computer serial cable Cables can also be made by the user with standard DB 9 connectors Male for the keypad Female for the base unit The keypad can be mounted using 4 small 6 M3 screws customer supplied and a 7 8 22mm hole to accommodate the DB 9 connector
47. art after the fault s coded in the following table Only one selection can be entered Continued next page 54 RX Series Digital Solid State protection Relays 5 2000A Auto Reset Conditions F053 Setting q was Display Readout Fault Condition Description ts Future Use Over Current Shear Pin Trip Under Current Trip Phase Loss Trip Current Unbalance Trip Ground Fault Trip 7 Peak Current Trip Short Circuit Faults 2 or 3 above Faults 4 5 or 6 above 10 Any Fault except 7 11 Any Fault except 6 amp 7 12 Any Fault above 1 7 otes 1 UC OC or UB require operation to resume before the fault can be detected 2 Cycling and or restoration of control power will reset all of the above faults 3 Overload Trip reset function is programmed only in F005 See Section 3 for details 4 Reset attempts that occur when the fault condition is still present will cause a new fault This will be logged into the fault history F087 F095 and may overwrite previous fault records 5 Attempted Reset interval is 2 minutes 6 Reset Attempt count will be refilled to setpoint value if RX has run twenty four hours without another trip Table 5 6 13 Faults Selected for Auto Reset O oO Cc O PLa or PLc U O OC or UC PL UB or GF No PC No GF and no PC OC UC PC PL UB or GF E BES ee ae E Oon t Note Auto Reset and Auto Restart are separate functions F078 Auto Reset Attempts
48. as Phase Loss or to view the more detailed fault history in F087 F095 To accomplish this you must get to the Status Screen so the Fn button becomes active When in a Fault Screen pressing the Right or Left Arrow buttons will take you to the Status Screen From there you can press the Fn key to enter the Programming Mode and move to different functions 26 RX Series Digital Solid State protection Relays 5 2000A 5 5 The RX Function List Motor and Line Data Functions Setting Factory Increments _ Setting Section Fn Group Function Description Adjustment Display Range 1 2000A adjustable between 50 100 of Max Amp Rating Upper limit of range automatically 1 amp adjusts downward as Service factor is increased Motor Nameplate 1 00 1 30 SE Service Factor Overload Class During Start NEMA UL Class 5 20 Overload Class During Run NEMA UL Class 5 30 0 Manual Overload Reset 1 Auto 2 Disabled Overload Voltage Input nominal Line 200 600 volt kV Voltage Input nominal line Medium Voltage OU Nene Line Frequency 50 or 60 Hz Table 5 5 1 Motor and Overload Function Group Motor Nameplate FLA FLA must be programmed for relay to function 1 0 SF Class 10 0 05 5 5 Class 10 5 6 1 0 Manual Motor and Overload Info 480 1 01 1 w gt oO a O Current and Ground Fault Settings Setting Factory Increments Setting _ Section Fn Group Function Descripti
49. ay during Run 1 20 seconds Table 5 5 3 Voltage Protection Function Group Phase and Frequency Protection Settings Setting Factory Increments Setting 0 1or2 rarere Tortie oreo Fn Group Function Description Adjustment Display Range Section Phase and Frequency Protection Under Frequency Trip Delay 1 20 seconds Table 5 5 4 Phase and Frequency Protection Function Group Motor Power Protection Settings Fn Group Function Description Motor KW Trip Motor KW Trip Point Motor KW Trip Delay Time Power Factor Trip Range c fe 2 oOo 2 Eo o f o a Power Factor Trip Point Power Factor Trip Delay Time Table 5 5 5 Power Protection Function Group Power Factor Current Direction Setting Factory Increments Setting ae 20 100 of full load KW 50 1 999 minutes 1 0 1 3 0 Disabled 1 lag 2 lead 3 lead lag 1 Adjustment Display Range Section 0 2 0 Disabled 1 Over KW Trip 2 Under KW Trip 0 1 0 Normal 1 Reversed 28 RX Series Digital Solid State protection Relays 5 2000A Lockout Inhibit Settings Setting Factory Increments Setting Coast Down Back Spin e 0 Lockout Tim r 0 Disabled or 1 60 minutes 1 minute Disabled Fn Group Function Description Adjustment Display Range Section and Inhibits 3 0 Maximum Starts per Hour 0 Disabled or 1 10 starts Disabled 5 6 6 0 Minimum Time Between
50. bove Command or Start Event from TCC 24hr Time Clock Controller Start Event Cycle SEC Settings BER EEN HEN Start Event Mode See chart One Shot Start Event 1 Start Time 00 00 23 59 hh mm or OFF Sea Ha Fn Group Function Description Adjustment Display Range Setting Setting Motor State Start Event 2 Start Time 00 00 23 59 hh mm or OFF Start Event 3 Start Time 00 00 23 59 hh mm or OFF Stat vent 4 Siar Time 00 002839 nh or OFF Ear ARR Stat Event Sian Time 00 002839 nhm or OFF EEE oe Start Event 6 Start Time 00 00 23 59 hh mm or OFF Run Timer and Time Clock Controller Modes Start Event 7 Start Time 00 00 23 59 hh mm or OFF Range 0 4 0 Disabled 1 Enabled 11 bit format 2 Enabled 10 bit format 3 Enabled 11bit and Remote Start Control 4 Enabled 10bit and Remote Start Control External Dry Contact Input Setting Range 0 2 1 0 Disabled 1 External Trip Input 2 Start Button Input Note Start Button Input must be enabled while Run Timer or Remote Start Control is selected Communications Communications dal Ss Qa so 5 G EG O 2 tad F061 F062 82 RX Series Digital Solid State protection Relays 5 2000A Appendix D cont Relay Settings Record Setting Factory Increments Setting 1 Second Fn Group Function Description Adjustment Display Range Setting Setting Parameter Lock 0 Disabled Customer Level 1 Password Any O
51. cation Supplement to this manual F060 F062 are used to set the communications parameters in the relay F060 F061 F062 Remote Relay Control via Comm Port Factory Setting 0 disabled Range 0 4 Use this to program how the RX Series relay is to be controlled when using serial communications When F060 0 Communication is disabled When F060 1 the relay can be monitored only by the Comm port but not controlled The Modbus RTU protocol uses an 11 bit format When F060 2 the relay can be monitored only by the Comm port but not controlled The Modbus RTU protocol uses a 10 bit format When F060 3 In this mode a hard wired Start command is ANDed with Comm port logic both Start commands must be on for the RX to allow a start The Stop function is ORed either the Comm Port Stop command OR the hard wired Stop removal of Start will cause the RX to stop This setting uses an 11 bit format When F060 4 Same as above except this setting will work with 10 bit formats Baud Rate Factory Setting 9 6 KB Range 4 8 to 19 2 KB Set value to either 4 8 KB 9 6 KB or 19 2 KB to match the setting of the host device Modbus Address Factory Setting 1 Range 1 247 The Modbus communications protocol allows each node to have up to 247 connected devices but each must have a unique address Two devices with the same address will result in a communications error 49 RX Seri
52. cked You will have 5 minutes in which to make a change in the program This 5 minute window resets whenever any key is pressed so it floats to give you 5 minutes after the last entry After 5 minutes of no keypad activity the Parameter Lock is reinstated with the current user Password Subsequent changes will require re entering the User Password To change the User Password or to disable the Parameter Lock function enter the programmed User Password first and then set Function F070 to 0 disabling the Parameter Lock If you do not re enter the Password or enter a new user password the Parameter Lock feature will remain disabled If you enter a different number into this Function the new number becomes your new User Password Existing passwords are encoded to hide them in the display DO NOT LOSE YOUR PASSWORD If the password has been lost or forgotten contact Motortronics for assistance 66 RX Series Example Figure App A Enabling Password Protection Parameter Lock Digital Solid State protection Relays 5 2000A Example Setting a Password Starting from the Status Display Mode no previous function Using Password 123 number entered no existing password Press the Fn key Displays F001 to indicate the beginning of the function list Display Means Press the LEFT arrow key Selects the second digit from the right Note do it in this order because F000 would not have been a valid number Press the UP arr
53. creen will be reset cleared Once cleared this information is not recoverable F071 will not reset F070 or F072 Parameter Lock User Passwords See Appendix A for resetting this feature Level 2 Parameter Lock User Password Factory Setting 0 disabled Range 2000 9999 Level 2 Functions F071 through F108 Use only when necessary to prevent unauthorized access Provides users with the ability to prevent unauthorized operators from making changes to the programmed functions If you do NOT need to take advantage of this feature do not enter any value into this function The factory default is ENABLED and a Password is necessary to make changes to the program See Appendix A at the end of this manual for detailed instructions on using and altering the Parameter Lock User Password feature 5 6 12 a Unit Settings F073 F074 CT Ratio Factory Setting 40 40 5 Range 5 2000 Primary value of the RX Series internal Current Transformers CTs for use in determining the current flow through the relay When using external CTs set this value to the value of the external CT primary ratio Default setting varies by unit frame size To prevent meter burden from affecting protection systems do not use the external CTs for metering The RX relay Operator Panel can be mounted to the enclosure door for this purpose Number of Turns Through CT Factory Setting 1 Range 1 5 To achieve accurate readings on
54. d by a manual switch but may be inadvertently left on when someone leaves When the TCC is set for 1 through 8 using Start Event Cycles the timer begins counting down immediately when a Start Event is activated Any Start Stop Command that is given to the relay during this time will work normally When the timer finishes F051 0000 the relay will shut off and Start Stop commands will no longer function until the next Start Event Cycle SEC In 2 wire control systems If a Run command is already present when the SEC occurs it will make no difference and the relay will start Reset of the Permissive Run Timer will occur only when the next Start Event Cycle is activated by the Time Clock Controller or when changes are made to programming see note on programming changes see Important Note on page 73 Loss of control power without program changes will NOT reset the time Use this function in conjunction with the Time Clock Controller to ensure that a load only operates during the programmed amount of time beginning with the Start Event Cycle Examples would be Air compressors where leaking of air lines during normal downtime causes the compressor to run unnecessarily Irrigation pumps where operation during parts of the day is undesirable Energy Savings to prevent operation when Time of Use TOU metering discounts are provided to promote conservation 70 RX Series Example Figure App B 2 Permissive Run T
55. ded by your motor equipment manufacturer This trip curve will not be enabled until the motor has reached full speed as determined by settings of F049 F005 Overload Reset Factory Setting 0 Manual Range 0 2 Set value to determine relay behavior after an overload condition has cleared When set to 0 Manual the operator must press the RESET key before restarting the motor Once the motor windings have cooled sufficiently AND the RESET key is pressed the unit will accept a restart command When set to 1 Automatic mode and once sufficient time has elapsed allowing motor windings to cool the motor will be restarted upon a start command If 2 wire control is used the unit will restart immediately When set to 2 Disabled Overload the RX Series will not trip on Motor Thermal Overload This is provided for applications where either an external Overload Relay or Motor Protection Relay is used WARNING Setting F005 1 Automatic may present significant operational risk When F005 2 Disabled Overload a separate external thermal overload protection device must be in the circuit Note Because of the risk of fire or equipment damage cycling control power will NOT reset an Overload Trip If F005 2 Automatic Reset cycling control power will allow reset ONLY IF the Thermal Register has determined that the motor has regained sufficient thermal capacity to allow it to restart successfully 35
56. djustment Display Range Section t e Day 0 i 999 0 Disabled Parameter Lock displays Any Other Numbers Password 1 erent Password Note Level 1 Fns 1 thru 71 109 SEER and 111 o dD o 2 D gt 0 Disabled 1 Clear THR and Lockout Timers 2 Reset to Factory Defaults 3 Clear kWh register 2000 9999 2000 Parameter Lock 0 Disabled 1 displays Customer Level 2 Password Any Other Numbers Password encrypted Note Level 2 Fn 0071 thru 0108 code System Clear Reset 31 RX Series Digital Solid State protection Relays 5 2000A 5 6 12 a 20 1 2 4 direct voltage input PT Value A 1 200 1 u 2 200 1 kV Voltage Input Default Status Display 1 20 see Table 5 6 12 b Table 5 5 12 System Settings Function Group 5 6 12 b Auto Reset and Auto Restart Settings Setting Factory Increments Setting Section Fn Group Function Description Adjustment Display Range Fault Preferences 2 12 4 See Table 5 6 13 Phase Auto Reset Selected Faults Loss only 0 Disabled or 1 10 attempts Notes 1 Attempted reset interval is two minutes AULO Reset Attempis 2 Reset Attempt count will be i refilled to setpoint value if RX has run twenty four hours without another trip 0 Disabled or een AGE 1 999 seconds after a Power Loss RA d SAA q y Status can be read in F081 Table 5 5 13 System Settings Function Group
57. ector to Rx Top Side DB 9 Female Connector to Keyboard Case Note Total length of the DB9 cable should not exceed 6ft ZCT Related Rx Parameters Setting Factory p a Increments Setting Setting Setting Fn Group Function Description Adjustment Display Range F021 Ground Fault Current Trip J60 sec nds B sae Delay F114 ZCT Select Ground Fault 0 Disabled Residual Source 1 Enabled Zero Sequence CT Specifications Supported CT s Model 170 50 0 05 diameter 4 25 Model 140 50 0 025 diameter 8 13 GF Current Trip Range 5 to 90 of GF CT value GF Current Trip Delay 0 1 sec to 60 sec Accuracy 2 Rx Display Average GF Current 00 0A to 50 0A Ambient 0 to 50 C 0 to 95 relative humidity elevation up to 10 000 ft 3000m w o de rating Technical Information Power is derived from the Rx Communication with the Rx via 12C The ZCT module is an 12C slave to the Rx Polling by the CPU every 100msec 86 RX Series Digital Solid State protection Relays 5 2000A Warranty information 1 Year Warranty Phasetronics Inc dba Motortronics hereinafter Company warrants the RX Series products to be free from defects in material and or workmanship for a period of one 1 year from the date of sale ora maximum of 18 months from the date of manufacture if no sales records are available as indicated by the unit s date code The Company reserves the right to repair or
58. een display for the value will flash once per second while timing When completed it will stop flashing and read 0000 71 RX Series and back on again Digital Solid State protection Relays 5 2000A IMPORTANT NOTE When F050 or F051 is changed in program mode the timer will not respond to the new settings until after control power has been cycled off F052 Time Clock Controller TCC Factory Setting 0 One Shot Range 1 8 settings This function is used to select the operating mode of the 24hr 7 Day Time Clock Controller TCC F052 0 operates the Start Event Cycle SEC in a One Shot mode factory default setting When set to 0 the Process Timer F050 responds only to each NEW hard wired Start input command Use this setting to allow the Process Conirol Timer to operate without the TCC For automatic operations F052 can also set the number of days in which the TCC will repeat a Start Event Cycle SEC Each Start Event Cycle consists of from 1 to 7 Start Events as programmed in F053 through F059 below Start Events can be non sequential see Note below F052 1 operates the SEC every day of the week F052 2 operates the SEC every 2 days every other day F052 3 operates the SEC every 3 day F052 4 operates the SEC every 4 day F052 5 operates the SEC every 5 day F052 6 operates the SEC every 6 day F052 7 operates the SEC 1 day per week F052 8 operates the SEC for a s
59. elay functions Adjustment Display Range 0 No fault history or Fault 1 57 see Fault code list 00 00 23 59 hh mm hh 00 23 mm 00 59 01 01 12 31 MM DD MM 01 12 DD 01 31 0 No fault history or Fault 1 57 see Fault code list 00 00 23 59 hh mm hh 00 23 mm 00 59 01 01 12 31 MM DD MM 01 12 DD 01 31 0 No fault history or Fault 1 57 see Fault code list 00 00 23 59 hh mm hh 00 23 mm 00 59 01 01 12 31 MM DD MM 01 12 DD 01 31 000 0 999 9 hours 0000 9999 thousand hours 0000 9999 times Digital Solid State protection Relays 5 2000A Setting Increments 00 01 00 01 00 01 00 01 00 01 00 01 Factory Settin Section 00 00 01 01 00 00 01 01 00 00 01 01 1 times 0000 9999 10 thousand times toktmes foo and Test Functions Adjustment Display Range Reserved for Factory Use No adjustment or valid display 0 2 0 Relay operates in Normal Mode Direct Acting 1 Relay operates in Fail Safe mode NO Held Closed Open on Trip 0 Disabled or 1 Test force Relay 1 for 5 sec 2 Test force Relay 2 for 5 sec 33 Setting Factory Increments Setting 1 1 Fail 5 6 17 Safe Section Keypad Firmware Version Read Only BE a 0 Relay testing may result in unwanted operation Ensure that control circuits are disabled RX Series Digital Solid State protection Rela
60. er to provide for Start commands depending on the selected mode Time progression and clock values can be read in the Status Screen see section 5 3 1 A convenient chart at the end of this appendix shows all settings and interactions F050 Process Control Timer Selection Factory Setting 0 Disabled Range 0 1 2 This function enables a Process Control Timer which offers two operating modes Minimum Batch Run Timer and Permissive Run Timer selected by entering 1 or 2 here F050 1 Minimum Batch Run Timer In this mode the Process Control Timer engages that the motor will run for a minimum amount of time regardless of whether someone stops it intentionally or power fails and returns When selected to Minimum Run Timer it begins counting down after a Start command The Time Value is set in F051 When the time value reaches 0000 the relay will turn off even if the Start command is still closed and without a Stop command To Reset the timer in this mode give a Stop command after the timer has expired If using the TCC F052 reset is automatic when completed and no other Run command is present If a Stop Command power failure or Fault trip occurs during timed operation the Process Control Timer is suspended and maintains its value When the relay is then restarted the timer resumes counting down to ensure that the motor has run for the programmed amount of time finishes the batch Use this function to ensure
61. es Digital Solid State protection Relays 5 2000A 5 6 11 External Input Settings The RX Series relay includes a dry contact input for external control or tripping F063 External Input Control Factory Setting 0 disabled Range 1 2 or 0 disabled The ISO input requires a dry contact input to activate Caution The input uses an internal 6VDC source and therefore excessively long wiring to the contact can result in a voltage drop resulting in the input not working properly It can be programmed for the following functions 0 Disabled The relay will not respond to the status of the External Input 1 Trip When the External Input is closed high the Trip function of the relay will activate and the display will show Et 2 Start Command When the External Input is closed high the relay will respond to set one of the Output Relays to pass on a Start Command This allows the RX Series relay to act as an interposing relay between low voltage systems such as PLC relay outputs and 120V control systems Note Use of the External Input requires coordinated programming of one or both Output Relays to match the functionality 5 6 12 System Settings The following functions set operator interface controls and unit programming Also contained here are the Clock settings used for history functions Change the Clock settings if accurate time values are important Real Time Clock Settings Functions F064 t
62. f this manual for detailed instructions F071 on using and altering the Parameter Lock User Password feature Emergency Clear Reset Factory Setting 0 disabled Range 0 2 This Function serves two purposes It can clear the memory values used for lockouts and overload protection and it can reset all functions to the factory default settings This is a One Shot feature so when another value is entered as shown below this function automatically returns to the default state When F071 0 the feature is disabled When F071 1 the values stored in the Thermal Register and all of the Lockout Timers will be cleared This will allow an emergency restart without having to wait for proper cool down time or lockout timers to expire WARNING Clearing the Thermal Register to allow restarting without proper cool down time after an Overload Trip will risk motor damage and fire Use only where emergency restart is necessary with knowledge of these potential hazards 51 RX Series Note F072 Note Digital Solid State protection Relays 5 2000A When F071 2 the values of all functions will be reset to the factory default settings Use this feature when settings conflict or have been tampered with This is also useful when you lose track of experimental settings and wish to start over It will also be used to clear the Fault History When F071 3 The Watt Hour metering kWh viewable in the Status S
63. git The third digit from the left is now flashing indicating a new cursor position Press the UP Arrow key to increase this digit value Indicates you have increased the 3 from the left digit to a value of 5 10 s place Press READ ENTER key to store the new value The word End will flash briefly to indicate that the new value has been entered and accepted After flashing once the display will revert to showing the Function number 23 Example 1 Setting the Motor FLA Change FLA from 48 to 59A Display Means Shows Phase A Current i i i i Function 1 Selected Previous Setting of Function 1 A oe New Value of First Digit Cursor flashing Position Shift oO A id Co di New Value of Second Digit i O1 Value Accepted flashes once ei mt a Return to Function Display n Figure 5 4 3 Changing a Function Value RX Series Digital Solid State protection Relays 5 2000A 5 4 3 a Changing a Value by Increments Although it may be easier to shift the cursor position it is also possible to increase or decrease values by pressing the UP or DOWN arrow keys successively This will change the Function value by the incremental amount associated with that Function The Function List shows increment values for each Function Example 2 Figure 5 4 3 a Changing a Function s Value by Increments 0000
64. han 0 is entered for F040 the relay will trip according to the following settings 1 Trip on Lagging power factor If the calculated motor power factor lags beyond the trip point setting in F041 for the time set in F042 the relay will trip 2 Trip on Leading power factor If the calculated motor power factor leads beyond the trip point setting in F041 for the time set in F042 the relay will trip 3 Trip on Leading or Lagging power factor If the calculated motor power factor lags or leads beyond the trip point setting in F041 for the time set in F042 the relay will trip Motor Power Factor Trip Point Factory Setting 0 50 cosine 8 Range 0 01 1 0 calculated motor Power Factor Motor Power Factor pf is calculated based upon measured voltage and current waveforms Motor Power Factor Trip Delay Factory Setting 2 seconds Range 1 20 seconds Provides a time delay to prevent nuisance trips from short duration transients Using default setting if the motor pf moves outside of the settings in F041 in the direction set in F040 for more than 2 seconds the relay will trip Motor Power Factor Current Direction Factory Setting 0 normal Range 0or1 Provides a method to set the direction of current flow for measurement purposes 45 RX Series Run Time 1 Coast Down Time 1 a a a ml I I I On or D PSD Figure 5 6 6 Coast Down Lockout Timer Digital Solid State protection Relays 5 2000A
65. hat a motor has finished accelerating This can be useful when conditions in the application may interfere with the automatic detection method that is standard F049 Motor Running Detection Factory Setting 0 Auto Range 1 180 sec or 0 Auto Setting 0 Auto Sensing The RX Series always monitors motor current In this mode At Speed is determined by the current first going over 150 of the programmed FLA then drops to a level below the FLA Service factor Setting 1 180 Forced Timing In this mode the RX Series is forced into the Run state in this programmed amount of time OR based on Auto Sensing whichever occurs first This setting is useful when severely variable load conditions may interfere with auto sensing because the current never drops low enough 5 6 9 Process Timer Settings F050 F059 represent a Process Control Timer and Time Clock Controller that can be used in conjunction with Setting 28 Start Command of the Relay settings in F047 or F048 see above These capabilities are special enough to deserve a detailed description of operations and programming See Appendix B for complete details 48 RX Series 5 6 10 Digital Solid State protection Relays 5 2000A Communications The RX Series relay is shipped from the factory ready to accept RS 485 Serial Communications using Modbus RTU protocol Additional detailed instructions on accomplishing communications are available in a Serial Communi
66. he ability to prevent unauthorized operators from making changes to the programmed functions If you do not need to take advantage of this feature do not enter any value into these functions The factory default is disable and no Password is necessary to make changes to the program F070 locks out Functions F001 thru F069 F109 and F111 F072 locks out F0073 thru F108 and is factory set with a password For simplicity the following description refers to F070 To unlock F072 contact the factory for assistance but it will work in the same manner When any value other than 0000 is entered into this F070 the Parameter Lock is enabled and that number becomes the User Password From that point forward it will be necessary to enter the User Password in this Function prior to making changes in any programmed function including this one When the Parameter Lock has been enabled attempts to alter the program will result in the display reading Err whenever the READ ENTER key is pressed To alter the program after the Parameter Lock has been enabled go to Function F070 and enter the correct user Password The display will read an encoded value representing the existing password As soon as you press the first Arrow key the display will change to 0000 and start showing the actual value of your password entry When the READ ENTER button is pressed the display will read PASS indicating that the User Password is correct and the system is unlo
67. he run command the relay will finish the time sequence Set F051 to 0030 minutes This is the Batch Time that ensures the proper amount of irrigation getting to the crop Set F052 to 0002 for Every 2 Day This will begin the Start Even Cycle on the day of programming and every other day from then on Set F053 to 17 30 This is the 24HR time value representing 5 30 PM At this time every other day the RX Series relay will automatically start provided the Stop float in the well is closed and run for 30 minutes as programmed in F030 If the pump needs to come on again at 7 00 PM program F054 to 19 00 If later it is required to have the pump come on at 6 00 AM as well simply change any other unused start time i e F058 to 06 00 Even though this is Event 6 and the lower numbered events had later start times in the program the relay will execute 6 on time in the next available cycle If the pump needs to come on every day program F052 to 0001 Note If programming is entered AFTER the set time value the TCC will wait until the next valid time before executing i e if you entered the above example program changes at 5 35 PM the pump would not come on automatically until 5 30 PM 2 days from now Appendix C Ground Fault Installation Test Instructions After installing the RX Series Relay the interconnected system should be evaluated using the following test instructions The object of this test is to provide a know
68. hether or not it satisfies the settings of F016 if used Acceleration detection is determined by the setting of F049 Motor Run Detection Can be used as an incomplete Sequence Detection on reduced voltage starters If F016 Stall Detection is used and the threshold is set lower than the threshold of F049 and the trip delay of F017 is shorter than the setting of F009 the lower settings take precedence If F049 is set to a time value other than 0 to accommodate an expected long acceleration time and that time value is longer than the setting of F009 the relay may trip on Accel Trip before the motor fully accelerates Make sure these two functions are properly coordinated 36 RX Series Over Current Trip F012 O C Trip Setting Running Current Current Time Figure 5 6 2 a Over Current Trip F014 U C Trip Setting S Normal Running Current Current Time Figure 5 6 2 b Under Current Trip Under Current 5 6 2 Digital Solid State protection Relays 5 2000A Current and Ground Fault Protection Features F010 F021 set extended protection features that may be used in the RX Series relay Percentages shown are all based automatically upon the Motor FLA setting from F001 except Ground Fault F020 No additional calculations are necessary Note All of these features are disabled at the factory and must be enabled via user programming as follows F010 F011 F012
69. hrough F069 set the system real time clock The time clock is used in the 24hr Time Clock Controller operation F050 F059 and for date time stamping of the Fault History The clock automatically adjusts for leap years and is backed up with a Li battery for long life Note Battery is not user replaceable Note Time clock does not automatically adjust for daylight savings time F064 Year Factory Setting Year of manufacture Range 2000 to 2047 F065 Month Factory Setting Month of manufacture Range 1 12 50 RX Series F066 F067 F068 F069 Digital Solid State protection Relays 5 2000A Day Factory Setting Day of manufacture Range 1 31 Hour Factory Setting Actual EST Range 0 23 12 00 midnight is hour 0 Minute Factory Setting Actual EST Range 0 59 Second Factory Setting Actual EST Range 0 59 Pass Code protection F070 Level 1 Parameter Lock User Password Factory Setting 0 disabled Range 0 999 Level 1 Functions F001 through F071 F109 and F111 Use only when necessary to prevent unauthorized access Provides users with the ability to prevent unauthorized operators from making changes to the programmed functions If you do NOT need to take advantage of this feature do not enter any value into this function The factory default is disable and no Password is necessary to make changes to the program See Appendix A at the end o
70. ieve you have hooked it up correctly Simply ensure that your motor is rotating correctly and set the RX series to monitor for any CHANGE in expected rotation from that point on F031 Phase Rotation Trip Delay Factory Setting 2 seconds Range 1 20 seconds Provides a time delay to prevent nuisance trips from short duration transients Using default settings if the phase rotation is detected as different for more than 2 seconds after line voltage is first applied the relay will trip Use this delay when portable generators may provide erratic signals when first started up F032 Phase Loss Trip and Delay Factory Setting 1 second Range 1 20 seconds or 0 Disabled When a value other than 0 is entered for F032 the relay will trip when the voltage of any phase is less than 20 of the nominal voltage set in F006 or F007 for this amount of time 42 RX Series F033 F034 F035 F036 Digital Solid State protection Relays 5 2000A Over Frequency Trip Limit Factory Setting 0 Disabled Range 1 10Hz or 0 Disabled When a value other than 0 is entered for F033 the relay will trip when the line frequency exceeds the amount set and for the time specified in F034 This feature is especially useful in generated power applications as backup protection to the generator s governor control Over Frequency Trip Delay Factory Setting 2 seconds Range 1 20 seconds Provides a time delay to pre
71. imer An air compressor controlled by a pressure switch feeds a large air distribution system that has small normally insignificant leaks If left on over night when the system is not in use leaks drop the air pressure and the compressor cycles on and off even though the facility is unoccupied wasting energy Set F050 to 0002 for Permissive Run Timer This will ensure that if nobody remembers to shut the compressor off it will not run when the facility is shut down Set F051 to 0600 minutes 10 hours This is the longest Run Time after which the relay will automatically shut down This ensures that it will not restart after the time expires and until a new Start Event occurs Not Shown Ensure F052 is set to 0001 for Every Day and F053 is set to correspond to work start time or 5 minutes prior This will allow the Run command provided by the pressure switch to engage the relay any time it is required after the shift begins With this setting the compressor will start whenever the pressure switch calls for it after the Start Event set by the Time Clock Controller but if forgotten it will shut itself off after 10 hours If power is turned off or lost during those 10 hours the timer is not cleared or reset so even if it is turn back on 1 minute before the timer expires it still shuts off at the end of that 10 hour period Notes the new one Digital Solid State protection Relays 5 2000A Example Process Timer for Comp
72. in this way unless sufficient time has passed for the Thermal Register to regain sufficient capacity for a successful restart see section 3 1 5 4 5 b Remote Reset Since removing control power can reset most trips remote reset can be accomplished in the same way A N C remote contact or push button can be placed in the control power supply to A1 or A2 and opened to facilitate a trip reset See figure 5 4 5 b for a suggested connection 25 RX Series Digital Solid State protection Relays 5 2000A 5 4 5 c Automatic Reset The RX Series relay provides for automatic reset on certain non critical faults and Over Load s For non critical fault resets see section 5 6 13 for program details of F077 and F078 For automatic Over Load resets see section 3 1 and 5 6 1 for programming details 5 4 5 d Lockout Functions Lockout functions such as Minimum Time Between Starts and Starts per Hour are not true fault conditions They are based on the internal Real Time Clock RTC When control power is removed the RTC value is quickly stored Upon return of power the timer values are updated from the RTC for elapsed time If the Lockout Time has not expired the RX Series cannot be started To reset the Lockout Times for emergency restart see section 5 6 12 under F071 5 4 5 e Changing to Default Screen During Fault In some cases it may be necessary to alter programmed parameters in order to test or make changes to clear a fault such
73. ingle 24HR event non repeating Use this for testing or for walk away operations that need to run after you leave but not repeat Start Event Cycles allow the use of a Start Command 2 wire or 3 wire ONLY AFTER the time of the Start Event has passed logic state AND In a 3 wire control system this is similar to having an Enable switch in series with the Stop button In a 2 wire control system this is similar to having and Enable contacts in series with the Run contact The Stop Button or opening the Run contact will always work to shut down the RX Series relay If F052 is set to anything other that 0 the normal Start Stop functions will not longer work except as shown above Each Start Event is a timed operation based on the Process Timer settings in F030 above Important If F050 0 Disabled the TCC will be ignored So if F052 1 8 and F050 0 the relay will not operate Make sure that if F030 0 F052 0 as well 72 RX Series Digital Solid State protection Relays 5 2000A F053 Event 1 Start Time Factory Setting OFF Range 00 00 through 23 59 or OFF This function is used to select the start time for Event 1 in the TCC above Once given a Start command after this event time the relay will run the motor according to the selections entered into F050 and for the time entered into F051 F054 Event 2 Start Time Same as above except for event 2 F055 Event 3 Start Time Same as above except
74. ion in resistance grounded systems We recommend providing external GF protection using a core balanced Zero Sequence CT for those types of applications Consult factory for additional assistance 39 RX Series Phase Voltage F024 Over Voltage Line Voltage F006 or F007 Time Figure 5 6 3 a Over Voltage Trip Digital Solid State protection Relays 5 2000A 5 6 3 Voltage Protection Features F022 F029 set extended protection features that may be used in the RX Series relay Percentages shown are all based automatically upon the Line Voltage setting in either F006 Low Voltage 200 600V or F007 Medium Voltage 600 15 000V Low or Medium Voltage is determined by the setting of F075 No additional calculations are necessary Note All of these features are disabled at the factory and must be enabled via user programming as follows F022 Voltage Imbalance Trip Factory Setting 0 Disabled Range 1 30 or 0 Disabled Use to set the trip level for when voltage imbalance between any two phases exceeds this amount for the time specified with F023 F023 Voltage Imbalance Trip Delay Factory Setting 10 seconds Range 1 20 seconds Provides a time delay to prevent nuisance trips from short duration transients Using default settings if the difference in voltage between two phases exceeds 10 of FLA for more than 10 seconds the relay will trip F024 Over Voltage Trip Factory Setting 0 Dis
75. ions Note All of these features are disabled at the factory and must be enabled via user programming as follows F037 Motor kW Trip Setting Factory Setting 0 Disabled Range 1 4 or 0 Disabled When a value other than 0 is entered for F035 the relay will trip according to the following settings 1 Over kW Trip If the calculated motor load exceeds the trip point setting in F038 for the time set in F039 the relay will trip 1 Under kW Trip If the calculated motor load drops below the trip point setting in F038 for the time set in F039 the relay will trip F038 Motor kW Trip Point Factory Setting 50 Range 20 100 of calculated motor full load kW rating Motor rated power kW is calculated based upon E from FO06 7 x from F001 x pf measured x SF F002 x 1 732 for 3 phase Efficiency is assumed to be constant for these purposes In determining the motor output kW value for comparison E and are measured by the relay F039 Motor kW Trip Delay Factory Setting 1 minute Range 1 999 minutes Provides a time delay to prevent nuisance trips from short duration transients Using default setting if the motor kW drops below F038 for more than 1 minute the relay will trip 44 RX Series F040 F041 F042 F043 Digital Solid State protection Relays 5 2000A Power Factor Trip Range Factory Setting 0 Disabled Range 1 3 or 0 Disabled When a value other t
76. le Process Timer and TCC for Irrigation Pump Display Means Shows Starting at Function 50 Default Setting of Function 50 Set F050 1 Min Batch Timer oO oO NT em 73 m AD 20 D n Koy Value Accepted flashes once z a Change to F051 Default Setting of Function 51 Ney Ner DSE TI Change Setting to 30 minutes O gt K GQ OD x lt QW Value Accepted flashes once mi 2 Change to F052 TI OL NO Default Setting of Function 52 i i o Set to 2 Every 2nd Day Value Accepted flashes once z a Change to F053 T Oo OL e Set to 17 30 5 30 PM military gt a 7 2 ERY Value Accepted flashes once x2 fie Return to Function Display Cycle Control Power to Accept Changes Figure App B 3 Programming Timer Functions 75 RX Series Digital Solid State protection Relays 5 2000A Example Figure App B 3 Time Clock Controller with Minimum Run Timer An irrigation pump fed from a well with a single float level control needs to come on every other day at 5 30 PM and run for 2 hour If during that 12 hour the well level drops and shuts the pump down the pump needs to restart when the well recovers and finish the 1 2 hour pump time Set F050 to 0001 for Minimum Run Timer This will ensure that when the well level recovers and resets t
77. le September ga would display 09 03 They are stored in F089 92 and 95 Fault 1 Fault 2 Fault 3 Latest Fault Previous Fault Oldest Fault Fault code See Chapter 7 Time Stamp HH mm Date Stamp MM DD Table 5 6 16a Fault History Configuration F087 Latest Fault Code Fault 1 Factory Setting 0 No Fault Range 0 27 This Function displays the Fault Code of the latest fault event F088 Time Stamp of the Latest Fault Factory Setting 00 00 No Fault Range 00 00 23 59 24hr time format This Function displays the time of the latest fault event F089 Date Stamp of the Latest Fault Factory Setting 00 00 No Fault Range 01 01 12 31 This Function displays the date of the latest fault event F090 Same as F085 except for the Previous Fault Fault 2 F091 Same as F086 except for the Previous Fault F092 Same as F087 except for the Previous Fault F093 Same as F085 except for the Oldest Fault Fault 3 F094 Same as F086 except for the Oldest Fault F095 Same as F087 except for the Oldest Fault 58 RX Series Digital Solid State protection Relays 5 2000A 5 6 16 b Statistical Data F096 F099 display information from the Run Time Elapsed Time meter and Run Cycle counter Run Time includes Accel Run Decel and Jog operations stored in F096 and F097 Run Cycles are counted only when the relay reaches At Speed mode stored in F098 and F099 F09
78. ls are available in the Service and Troubleshooting Guide Example If Function F003 starting overload protection is set too low for the size of the load and causes a trip the code oLA will be displayed Its corresponding number will be entered into the fault history In this case the number 0010 will be available for display in the window of function F085 Fault History The time the fault was detected is available in Function F086 It is expressed as hh mm Therefore if the oLA fault occurred at 10 00 am F086 would display 10 00 The date the fault occurred is available in Function F087 The date is expressed as mm dd If the oLA fault occurred on March 1 F077 would display 03 01 If there were no fault conditions in history the display in F085 would read 0000 63 RX Series Digital Solid State protection Relays 5 2000A Fault Function Descriptions Fault Number Fault Display Code used in Fault Condition Description Code Readout History F087 ER F090 and F093 No Full Load Amps entered into F001 nFLA Over Current during Acceleration OCA 1 Trip Over Current during Constant speed OCC 2 Trip Over Current during Deceleration OCd 3 Trip Phase Loss during Acceleration PLA 4 Trip Phase Loss during Constant speed PLC 5 Trip Phase Loss during Deceleration PLd 6 Trip Over Load during Acceleration OLA 7 Trip Over
79. lter the energized state of Relay 1 F047 F109 0 Disabled The relay will become a normally operating relay Direct Acting meaning it will change state only when the programmed condition occurs F109 1 Enabled default The NO relay contact is held closed when conditions are normal no trips and drops out when a trip or any other programmed condition occurs as well as a power failure 5 6 18 Test Settings and Miscellaneous F110 Keypad Firmware Version Factory Setting Version Number read only Have this information available when calling the factory for assistance that is not covered in this manual Relay Test Factory Setting 0 disabled Range 1 2 or 0 disabled Use this function to test force the Output Relays R1 and R2 to test their integrity By entering a value into this function the associated relay is forced to change state and will remain in that state until the Reset Button is pressed Both relays can be forced If this function is set to 0 and re entered the relay will reset as well but if not the relay will remain forced even if this function is used to force the other relay F111 1 Force Relay 1 R1 Since this is a Form A SPST relay the NO contact closes Relay stays energized for 5 sec F111 2 Force Relay 2 R2 Since this is a Form C SPDT relay the NO contact closes and the NC contact opens Relay stays energized for 5 sec Note If the Relay is tripped and the tri
80. ly separate control power circuit and source can be wired through Relay 2 since they are isolated from each other RX Programming Any Trip Fail Safe Start Run NO Held Closed RELAY 2 ISO NO NC COM INPUT Figure 4 2 3 y Fault Trip Control Connections Light TB 2 RX Series Digital Solid State protection Relays 5 2000A Complete Control The RX Series has the capability of having complete control over the Motor Control Circuit via wiring and programming of both the Isolated Input and the 2 Output Relays as shown in the following example Many other configurations are possible with different programming RX Programming Any Trip Fail Saf NO Hala creaanh Start Run Start RELAY 1 RELAY 2 ISO NO COM NO NC COM INPUT S 2 2 2 2122 h M Aux Complete Control Example Stop l RX Series MOTOR FLA F001 must be programmed for unit to operate kw E sA SB sc PF PROTECTION RELAY gt Be 1 READ ENTER Relay 2 Figure 5 2 Operator Interface Digital Solid State protection Relays 5 2000A Chapter 5 Programming 5 1 Introduction It is best to operate the motor at its full load starting conditions to achieve the proper time torque and ramp settings Initial factory settings are set to accommodate general motor applications and provide basic motor protection Advanced features must be enabled via programming The only parameter that
81. motor operation is created in the microprocessor to accurately track all starting stopping and running conditions to provide maximum motor protection Overload circuit retains thermal condition of the motor regardless of control power status Unit uses real time clock to adjust for off time Starting Programmable for Class 5 or 10 Run Programmable for Class 5 through 30 when At Speea is detected Programmable Run Detection Auto or Auto Timed Auto Method gt 150 FLA x SF then lt 100 FLA x SF Auto Timed 1 180 seconds or Auto whichever occurs first Manual default or automatic Dynamic Reset Tracking Overload will not reset until thermal capacity available in the motor is enough for a successful restart Relay learns and retains this information by monitoring previous successful starts Acceleration Time Limit 0 300 seconds For protection against mechanical problems or incomplete sequence on Reduced Voltage Starters Stall Detection Trip Level 100 600 FLA with 1 20 second delay Over Current Trip Level 50 300 of motor FLA Under Current Trip Level 10 90 of motor FLA Current Imbalance Trip Level 5 30 Imbalance in any two phases Peak short circuit Current Trip 800 1400 FLA Current Trip Delays 1 20 seconds RX Series Digital Solid State protection Relays 5 2000A 1 1 1 Advanced Motor Protection Features continued Voltage Protection Phase Protection Eq
82. n current through one CT of the RX Series in order to test the ground fault circuitry By setting the GF Trip Level to 2 higher than the test current the RX Series should not experience a trip condition When the GF Trip Level is set 2 lower than the test current a trip condition should then exist on the RX Series display 76 RX Series Digital Solid State protection Relays 5 2000A Perform the following test procedure and record all information on the test record form located on Page 79 Please note that this procedure should only be performed by qualified personnel STEP 1 Verify all grounding points of the system to ensure that ground paths do not exist that could bypass the RX Series Relay It may be necessary to use high voltage testers and resistive bridges to determine the integrity of the installation 120WVAC CONTROL POWER SOURCE STEP 2 Perform the following connections in order to prepare the RX Series for GF Circuit Interruption testing Connect a 120V 100W light bulb in series with an ON OFF switch through the A phase busbar of the RX to the 120VAC Refer to Figure C 1 RX SERIES UNIT UNDER TEST STEP 3 Perform the following settings in order to prepare the RX Series for GF Circuit Interruption testing Apply 120VAC power to the RX Series Set F072 to 2000 Password Set F071 to 2 Reset Rx To Known State Set F072 to 2000 Password Set F073 to 5 CT Value Set F104 to
83. nction This display may include decimals between digits depending on the function setting s range and incremental steps Example Figure 5 4 1 Viewing a Function s Set Value Means Motor FLA Setting 0000 Indicates that Phase A is drawing no current Default Display unit is in Off mode Phase A Current Press the Fn key i F001 Indicates that this is Function 001 Motor FLA Sage Press Read Enter key to view the F001 s value Fn 1 Value 0360 Indicates that the programmed motor FLA is FLA 360A 360 Amps Press the Fn key F001 Indicates that you have returned to the Function Select screen Return to Function to return to the function Selection Return to Default Display Press the Fn key again Without Change to return to the Status Display Mode 0000 Default screen Figure 5 4 1 Viewing a Function s Set Value Note If password protection has been enabled operator will need to obtain password access before function settings can be changed See Section 5 6 12 and Appendix A 22 RX Series 0000 F001 0048 0049 0049 0059 End Digital Solid State protection Relays 5 2000A 5 4 2 Enabling Password Protection Parameter Lock The RX Series relay is shipped with the Level 1 password protection disabled F070 0 If it becomes necessary to prevent these parameters from being changed inadvertently set the password in function F070 See section 5 6 12 and
84. nnection directly to the relay This can also be done with the RX 5 P by removing the connection adaptor Figure 4 1 1 RX 40 and RX 75 Basic Connections Figure 4 1 1 a Example of 2 primary turns through internal CT only Phase A shown for clarity 4 1 2 Using Primary Turns to Increase Range The RX relay can be used to read motor currents lower than the standard rating of the unit by increasing the current read by the CTs through the use of Primary Turns Each turn refers to the number of times that the power conductor is passed through the CT core 2 passes through the core is referred to as 2 Primary Turns also meaning that the current read by the CT is increased 2 times 2x 4 Primary Turns would then mean that the motor conductors pass through the CTs 4 times and the current read is 4x the CT current Another way to look at it is that the relay range has been divided by the number of turns For example if the motor FLA is between 5A upper limit of the RX 5 and 20A lower limit of the RX 40 use the RX 40 and loop the appropriate number of turns through the built in CT windows For loads from 5 10A loop the motor leads through 4 times 4 turns The max amp rating is now 40 4 or 10A so the range is 5 10A For loads 10 20A use 2 Primary Turns through the windows for a rating of 40 2 or 20A so the new range is 10 20A This doubles or quadruples the range of the relay but must be coordinated by prog
85. ntial Test Low Voltage Unit Test Medium Voltage Unit Test DODD Note Setpoints programmed in the Digital Control Unit are general in nature and do not necessarily reflect any specific operating guidelines It is the customer s responsibility to program controller setpoints during commissioning to meet protection and performance requirements of on site equipment Doc 40005NFM Appendix D Relay Settings Record The following chart may be used to record the changes made to the factory settings 79 RX Series Digital Solid State protection Relays 5 2000A Setting Factory Fn Group Function Description Adjustment Display Range Increments Setting Setting Setting Motor Nameplate FLA FLA must be programmed for 1 2000 relay to function Motor Nameplate Service Factor 1 00 1 30 SF Overload Class During Start NEMA UL Class 5 30 Class 10 RE 3 5 cassto Overload Class During Run NEMA UL Class 5 30 5 Class 10 0 Manual Overload Reset 1 Auto 2 Disabled Overload Voltage Input nominal Line 200 660 volt 4 60 15kV 0 4 Motor and Overload Info kV Voltage Input nominal line Medium Voltage i 50 or 60 Hz 0 1 1 Line Frequency 1 Acceleration Time Current Imbalance Trip 0 1 30 of FLA 0 Disabled 1 foo 1 0 300 seconds 0 Disabled T Oo oO Current Imbalance Trip Delay Over Current Trip 0 50 300 of FLA 0 Disabled 1 Over Current Tri
86. on Adjustment Display Range Current Imbalance Trip 0 1 30 of FLA 0 Disabled Current Imbalance Trip Delay 1 20 seconds Over Current Trip 0 50 300 of FLA 0 Disabled Over Current Trip Delay 1 20 seconds Under Current 0 10 90 of FLA 0 Disabled Under Current Trip Delay 1 60 seconds Stall Detection Trip Level 0 100 600 of FLA 0 Disabled Stall Detection Trip Delay 1 10 seconds Peak Current Trip 0 800 1400 0 Disabled Current and Ground Fault Protection Peak Current Trip Delay 0 01 5 seconds Ground Fault Current Trip Value 0 5 90 of CT Value 0 Disabled Ground Fault Current Trip Delay 1 60 seconds Table 5 5 2 Current and Voltage Protection Function Group 27 RX Series Digital Solid State protection Relays 5 2000A Voltage Protection Settings 1 Fn Group Function Description Adjustment Display Range i EENAA Rra Section 0 Voltage Imbalance Trip 0 1 30 0 Disabled Voltage Imbalance Trip Delay 1 20 seconds Over Voltage Trip 0 1 10 0 Disabled Over Voltage Trip Delay 1 20 seconds Under Voltage Trip on Start 0 1 30 0 Disabled Voltage Protection UV Trip on Start Delay 1 180 seconds Under Voltage Trip on Run 0 1 30 0 Disabled UV Trip Del
87. on Relays 5 2000A 5 4 5 Fault Mode The Fault Mode Display provides information to the operator when a fault occurs and allows the operator to review fault history Refer to Section 7 for details Fault codes are three digits in length and are displayed in alpha characters The first and second characters reading left to right are the initials for the applicable English language fault name The third or right most character can be either A c or d to denote when the fault occurred A denotes Acceleration c denotes Constant speed d denotes Decel Display Means Shows Fault Display Phase Loss on Acceleration PLa Previous Fault Phase Imbalance Oldest Fault Over Load at Constant Speed Reset Indication flashes once Return to Default Display Figure 5 4 5 Viewing Faults This Fault History can only be accessed during a fault condition While the active fault number is being displayed use the Up and Down Arrow keys to scroll through the Fault History An additional Fault History complete with Time and Date stamps is also available for viewing at any time in F085 through F093 5 4 5 a Resetting Faults Once a fault condition has been corrected pressing the Reset key will return the readout to the Status Display mode To reset faults press the RESET key on the keypad Alternatively most faults will reset upon removal and return of control power Over Load trips will NOT be reset
88. or Fault 1 57 see Fault code list 0 displays encrypted code Time Stamp Fault 1 Based on F067 69 00 00 23 59 hh mm hh 00 23 mm 00 59 00 00 Date Stamp Fault 1 Based on F064 66 01 01 12 31 MM DD MM 01 12 DD 01 31 01 01 Fault History 2 Previous Fault 0 No fault history or Fault 1 57 see Fault code list 0 Time Stamp Fault 2 00 00 23 59 hh mm hh 00 23 mm 00 59 Date Stamp Fault 2 01 01 12 31 MM DD MM 01 12 DD 01 31 Fault History 3 Oldest Fault 0 No fault history or Fault 1 57 see Fault code list 1 Time Stamp Fault 3 00 00 23 59 hh mm hh 00 23 mm 00 59 00 01 Fault History and Run Data Date Stamp Fault 3 01 01 12 31 MM DD MM 01 12 DD 01 31 00 01 Run Time Hours 000 0 999 9 hours 0 1 hours Run Time 1000 Hour Overflow 0000 9999 thousand hours 1 k hour Run Cycle Counter 0000 9999 times 1 times Run Cycle Counter 10K overflow Reserved for Factory Use Fail Safe Operation for Aux Relay 1 0000 9999 10 thousand times No adjustment or valid display 0 1 0 Relay operates in Normal Mode Direct Acting 1 Relay operates in Fail Safe mode NO Held Closed Open on Trip 10k times Keypad Firmware Version Read Only Test Functions Relay Tes
89. ounting down A key Time Clock Controller Time 24hr format Ol 20 Decimal Point Blinks after start input is closed A key Remaining Motor Thermal Capacity H100 H can be thought oh as motor Heat capacity A key Scrolls back to beginning 21 RX Series Digital Solid State protection Relays 5 2000A 5 4 Program Mode The relay must be in the Stop Mode in order to enter the Program Mode Use the Program Mode to view or change Function Fn settings To enter the Program Mode press the Fn key once from the Status Screen described in 5 3 1 above The first time you enter the Program Mode after power has been cycled to the relay the initial function F001 should display with the selected digit flashing If the RX Series relay has been programmed and power to the unit has not been cycled the readout will display the last function viewed or changed To change to a different function use the arrow keys 5 4 1 Viewing Function Programming and Values The programming of each individual Function can be viewed without making changes values can also be viewed in the Run Mode however no changes can be made The letter F at the beginning of the data signifies it is a Function and the 4 digit value of the function follows after pressing the READ ENTER key e F001 The F indicates the programmable Function e 0000 This is the present setting of the applicable fu
90. ow key seven times 7X Changes the function code to F071 Press the RIGHT arrow key Selects the first digit from the right Press the DOWN arrow key Changes the function code to F070 Press the Read Enter The default display will show 3552 as long as no password has been previously entered This is the default code for 0000 meaning that there is no password As soon as you press the first Arrow key the display will change to 0000 and begin showing the actual value of your password entry Any initial display other than 3552 signifies that a password already exists This means that you will need to change rather than enter a new one see below Use the UP arrow and the LEFT arrow keys to display the password you desire Valid range is 0000 to 0999 In this example 0123 has been selected Press the Read Enter The display will flash End to confirm you have entered a password Then it will return to displaying thee Function Shows Phase A Current Select Function 70 Default Setting of Function 70 New Value of First Digit x w O Koy et key Cursor flashing Position Shift New Value of Second Digit x N Cursor flashing Position Shift New Value of Second Digit Value Accepted flashes once Press Key READ ENTER p Nae Ked Key kef Ke Ene hs el eb 25 AN 00 key Return to Function Display J 3 Figure App 3 Entering a Pa
91. p Delay 1 20 seconds mT Oo f rd oe T oO A Under Current 0 10 90 of FLA 0 Disabled 1 Under Current Trip Delay Ti oO o 1 60 seconds T mare oO Stall Detection Trip Level 0 100 600 of FLA 0 Disabled 5 Ti oO k N Current and Ground Fault Protection Stall Detection Trip Delay 1 10 seconds 0 80 16 2 1 2 2 Peak Current Trip 0 800 1400 0 Disabled 10 05 2 0 0 0 2 mal Oo co T Oo mare o Peak Current Trip Delay 0 01 5 seconds 01 Ground Fault Current Trip 0 5 90 of CT Value 1 Value 0 Disabled Ground Fault Current Trip Delay Voltage Imbalance Trip 0 1 30 0 Disabled 1 1 60 seconds 1 1 Voltage Imbalance Trip Delay 1 20 seconds Over Voltage Trip 0 1 10 0 Disabled 1 oo 1 Over Voltage Trip Delay 1 20 seconds 1 Under Voltage Trip on Start 0 1 20 0 Disabled 1 1 180 seconds Voltage Protection UV Trip on Start Delay Under Voltage Trip on Run 0 1 20 0 Disabled 1 20 seconds 1 mal N UV Trip Delay during Run 80 RX Series Digital Solid State protection Relays 5 2000A Appendix D cont Relay Settings Record Setting Factory Increments Setting 0 10r2 mener Bam S O e Phase Rotation Trip Daley seen 1 fef T Phase Loss Trp and Delay 0 1 20 Seconds o Disa 1 f 1 f o fo Over Frequency T
92. p condition continues to exist this function F111 cannot affect that relay until after the fault is cleared and it has been reset Warning Relay testing may result in unwanted operations Ensure that control circuits are disabled prior to testing the relay functions 60 RX Series Digital Solid State protection Relays 5 2000A Chapter 6 Start up 6 1 Basic Startup Your new RX Series Soft Relay is factory preset for a wide variety of applications and often can be used with minimal adjustment 6 1 1 Three Step Process 1 Connect L1 L2 and L3 to power input and feed motor leads through or to CTs 2 Connect control wires and control power 3 Program motor FLA F001 and Line Voltage F006 7 6 1 2 Start up Parameters and Factory Defaults Try the initial presets first and then adjust or enable the more advanced features to meet your specific starting needs Fn Function Name F001 Motor Nameplate FLA FLA must be programmed for relay to function Factory Setting Description Factory Setting Motor Nameplate Change only if necessary AND F003 Overload Class During Start Class 10 NEMA UL Class 10 F004 Overload Class During Run Class 10 NEMA UL Class 10 F005 Overload Reset 0 Manual 0 Manual Enter Nominal line voltage Change only if longer is F0009 Acceleration Time necessary F010 F021 Current and Ground Protections Inactive unless selected F022 F029 Voltage Protections F030 F031 Phase Rotation A
93. pplicable Range 1 3600 Seconds Remaining time value readout of F046 the Minimum Time Between Starts Timer Thermal Capacity to Start Readout Factory Setting Not Applicable Range 0 100 Thermal Capacity Readout only for user s viewing of the motor Thermal Capacity percentage required to allow a Reset after an Overload Trip reference F005 Use this function in conjunction with the Remaining Thermal Capacity Hxxx in the Status Screen group to be able to predict when a restart will be allowed This value is automatically updated by the RX Series CPU whenever a successful start sequence has been accomplished The RX Series essentially learns how much Thermal Capacity is needed in the motor in order to successfully restart and stores the information at this Function Upon power loss and restoration this value is updated for elapsed time 57 RX Series Digital Solid State protection Relays 5 2000A 5 6 16 Fault History and Statistical Data F087 F099 contain the Fault History and Statistical data about the Run Mode 5 6 16 a Fault History Fault codes for each of the three latest events are stored with time and date stamps see Chapter 7 for a complete list of fault codes and corresponding error displays They are stored in F087 90 and 93 Time stamps use the 24hr HH MM format so for example 3 19 PM would display as 15 19 They are stored in F088 91 and 94 Date stamps use the MM DD format so for examp
94. r Line Voltage Sensing not for the motor load see below but should be fuse protected for 5A max Avoid routing power wires over the display 4 1 1 Motor Power Connections Motor power connections vary for different sizes On the RX 5 P the user has 2 choices Separate Line and Load connections to terminals on the relay base or Feed Through wiring Use the Separate Line and Load connections when the motor is small enough lt 5A FLA to be connected directly to the terminal block screws on the base Disconnect or Circuit Breaker Figure 4 1 1 a RX 5 E Basic Connections for Large Motors NOTE CT Grounding Is For CE Compliance 4 1 1 a Large Motor Connections The RX 5 is also used for large motors where external CTs are necessary to step the motor current down to 5A Simply pass the motor leads through the external CT windows then connect the CT secondary conductors to the RX 5 terminal adaptor or pass them through the internal CT windows You must also reprogram Function F073 for the external CT ratio in order for the RX to function properly for the higher motor currents RX Series Disconnect or Circuit Breaker Internal CTs Digital Solid State protection Relays 5 2000A 4 1 1 6 Motor Power Connections continued On the RX 40 P and RX 75 P the user can just pass the motor lead connections through the internal CTs of the RX Series relay base without making co
95. ramming the correct number of turns into F074 see section 5 6 12 a for additional information RX Series Digital Solid State protection Relays 5 2000A 4 1 2 Using Primary Turns to Increase Range continued In general when using external CTs it is always best to choose a CT ratio that works out to have your motor FLA fall within the range of adjustment of the RX relay Unfortunately this cannot always be accomplished with the available components So Primary Turns can also be used with external CTs to increase the range of the RX relay for FLA s of motors that fall outside of its settings For instance if a motor has 240FLA and you must use an external CT rated 500 5 the 5A CT current will represent a maximum of 500A but the relay can only be turned down to 2 5A so the lowest adjustment would be 250A above the motor FLA To achieve proper protection pass the 5A CT current through the relay CT windows twice 2 turns The 5A external CT current now represents 250A so the range of adjustment becomes 120 250A which properly covers the motor nameplate FLA Remember when doing this to always program the External CT ratio into Function F073 as well as the Primary Turns into F074 This allows your display and protection settings to accurately represent the actual motor power readings See section 5 6 12 a for details on programming those functions 4 1 3 Power Factor Correction Capacitors Power factor correction capacitors c
96. ressor x lt N Press Key G gt x o yu a Display Means Shows Starting at Function 50 Default Setting of Function 50 Set F050 2 Permissive Run Timer Value Accepted flashes once Change to F051 Default Setting of Function 51 Change Setting to 600 minutes Kep keJ i m oy Ke foo Ke Ke of Ke Z Roy KOI PA N Koy f KeA KN he SA A Value Accepted flashes once Return to Function Display 051 Cycle Control Power to Accept Changes Figure App B 2 Programming Permissive Run Timer Functions If the Process Control Timer F050 is set for Minimum Batch Timer value of 1 and the next Start Event Cycle passes without a Start command the previous event will be ignored in favor of lf a Process Control Timer setting from F051 is so long that it overlaps a Start Event Cycle setting in F052 F059 the original timer value becomes invalid The new Start Event Cycle reloads the value of F051 and begins counting down again from the beginning F051 Process Timer Value Factory Setting 1 Range 1 9999 minutes This function loads a value into the Process Control Timer above When initialized the value counts down towards 0 F050 sets the operating mode and reset functions for this timer The value of this timer can be read directly in the main Status Screen see section 5 3 1 When the Process Control Timer has been enabled in F050 the Status Scr
97. ries relay has restarted When used with 3 wire control it may be necessary to maintain a Start Command until after they are satisfied or repeat it if momentary 69 RX Series Digital Solid State protection Relays 5 2000A F050 2 Permissive Run Timer In this mode the Process Control Timer engages differently according to the settings of the Time Clock Controller TCC When the TCC is set to 0 using One Shot operation the Process Control Timer begins counting down after the first Start command Subsequent stop and start commands have no further affect on the timer status and can be used to fully control the relay When the timer finishes F051 0000 the relay will shut off Upon the next Start command the timer will reset and begin counting down again In 2 wire control systems the relay will shut off even if the Run command is still closed and will only reset after the Run command has been cycled opened and re closed Use this function in without the Time Clock Controller One Shot mode to ensure that a load only operates for a maximum of the programmed amount of time beginning with the first Start command Examples would be Pumps where the failure of a stop float may lead to dry run conditions if allowed to operate too long or when the pump only needs to run when someone is present but operate automatically via float switched puMp out for service Ventilation Blowers where operation is controlle
98. rminals enclosure and control panel to meet local codes Use Lock Out tags such as the one shown when servicing equipment 2 5 Mounting and Cleaning The RX Series is designed to snap onto standard duty DIN rail or to mount directly to a panel with 8 screws 4mm When drilling or punching holes in an enclosure containing an RX Series relay cover the electrical assembly to prevent metal filings from becoming lodged in areas which can cause clearance reduction or short circuits After work is complete thoroughly clean vacuum the area and re inspect the unit for foreign material 2 5 1 Clearances Make sure there is sufficient clearance all around the unit for cooling wiring and maintenance purposes To conserve panel space the RX Series was designed for close clearances A minimum clearance of 1 25 mm on all sides is necessary to maximize effective airflow and cooling keeping in mind that these are minimums Wiring may require more clearance particularly on the bottom of the unit Other Devices i e Motor Starter 1 minimum 25 mm RX Series Relay 4 1 minimum 25 mm Figure 2 5 RX minimum mounting clearances RX Series E7 Figure 2 7 a Keypad Rear View for remote mounting Digital Solid State protection Relays 5 2000A WARNING Remove all sources of power before cleaning the unit In dirty or contaminated atmospheres the unit should be cleaned on a regular basis to ensure proper cooling Do not use
99. rnal Trip function See F063 in section 5 6 11 for additional information RX Programming External Trip AY1 RELAY 2 ISO N COM NO NC COM INPUT a E S ES S el E le eS High Pressure Alarm Closes on Pressure Rise RX Programming Start Run RELAY 1 RELAY 2 ISO NO COM NO NC COM INPUT 9 E S ES lel el E lal e Figure 4 2 3 Si External Input Examples PLC TB 2 Run 17 RX Series Digital Solid State protection Relays 5 2000A 4 2 4 Output Auxiliary Relay Contacts Two programmable Output Relays are on TB2 Relay 1 is a Form A SPST with a N O contact set up as a Fail Safe relay See F109 in section 5 6 17 for instructions on converting this relay to normal Direct Acting operation Relay 2 is a Direct Acting Form C SPDT with a Common N O and N C contact All relays can be reprogrammed for a wide variety of functions See Section 5 6 7 for additional relay programming details Typical Control Use Using the factory default settings Relay 1 SPST would be used as the Trip Relay with the N O Held Closed contact wired into the motor controller coil circuit similar to an overload Relay NC contact 97 98 designation in IEC terminology The NO set of contacts in Relay 2 while connected in the same circuit via the Common terminal can be use to provide fault status indication with a pilot light or PLC input as long as it is of the same voltage as the control circuit If not a complete
100. rp Lmt 0 1 10Hz bisae 1 oT OverFreqiency Tap Day a O o E EN Under Frequency Tapuimt 0 1 10Hz pobisaee 1 Under Frequency Tip Delay 1 20secone o d n de 0 2 f 0 Disabled Motor KW Trip 1 Over KW Trip 1 2 Under KW Trip Motor KW Trip Pont 20 100 of ful load KW om is es ee ae Fn Group Function Description Adjustment Display Range Setting Setting Phase and Frequency Protection 0 1 3 0 Disabled 1 lag Power Factor Trip Range 2 lead 3 lead lag Power Factor Trip Delay Time 1 20 seconds FE REN ee Power Factor Current Direction 0 1 0 Normal 1 Reversed Coast Down Back Spin L ST i Lockout Timer 0 Disabled or 1 60 minutes 1 minute Maximum Starts per Hour 0 Disabled or 1 10 starts Lae ent th Power Protection mol pra 25 5 os xc os e l F046 81 RX Series Digital Solid State protection Relays 5 2000A Appendix D cont Relay Settings Record Setting Factory Increments Setting F047 3 9 Aux Relay 1 setting Operation 1 33 see chart ee ee ee a a s 3 0 Motor Running Detection 0 or 1 180 seconds 0 Auto sensing Current gt 150 FLA first and then drop lt FLA x Service Factor 1 180 sec Force to Run status after given delay time OR Auto sensing whichever occurs first 0 Disabled No timer operation Run Timer Selection 1 Minimum Batch Run Timer Ea b 2 Permissive Run Timer ee ee for use in F030 a
101. s function serves to allow the user to select which readout will be the default display when power is first applied and no scrolling has taken place The factory Default is Phase A Current which is indicated by both the readout and the LEDs that show what the readout means The following table provides a list of the combination of readouts and LEDs that make up the list of 20 status display functions Status Display Screens Default No for F076 Scroll Through Displays Thermal Capacity Remaining Default No for F076 Scroll Through Displays Voltage Imbalance Current in A Phase Power Factor Current in B Phase kW Current in C Phase kVA Average Current 3 phases kVAR Current Imbalance kWh Voltage AB Frequency Voltage BC Ground Fault Current Voltage CA Process Time Remaining Average Voltage Table 5 6 12 b Status Display Screens RTC clock when engaged 5 6 13 Auto Reset and Auto Restart Delay 5 6 13 a Auto Reset The RX Series can be programmed to automatically attempt a reset after selected faults have been corrected and a Start Command is present see Section 4 2 The Fault Events to attempt resetting F077 and Number of Reset Attempts on F078 are programmable as follows F077 Auto Reset on Selected Faults Factory Setting 4 Phase Loss Range 2 12 code If F077 2 through 12 the RX Series will attempt to rest
102. side press the UP arrow key to display H100 meaning there is 100 of the Thermal Capacity H Heat capacity remaining in the motor After starting or running the motor will use this capacity and the display will show a lower number For example after a cold start the display may read H065 which indicates that the motor has 65 of its thermal capacity remaining 35 used The Status Display screens cycle back to the beginning so the Down arrow keys can get to this display as well 3 1 2 a Motor Full Load FLA Setting Use Function F001 to enter motor FLA as indicated on the motor nameplate Do not calculate for service factor this is programmed separately in F002 Note All RX Series relays are shipped from the factory with F001 set toa default value of 0000 If F001 is left at the factory default the unit will not operate If the user attempts to start the RX Series without entering the motor nameplate FLA the relay will Fault and the display will read nFLA no Full Load Amps RX Series Digital Solid State protection Relays 5 2000A 3 1 3 Disabling the Overload Protection The Overload Protection feature can be disabled if necessary When using external devices such as Motor Protection Relays or when the RX Series is used only for other features this feature can be disabled to prevent conflicts with other overload protection devices To disable the Overload Protection function use F005 WARNING Do NOT
103. ss When using 3 wire control For safety reasons the RX Series will not attempt restarting unless the Start Command is reinitiated and maintained during a restart attempt 5 6 14 Factory Firmware F080 Firmware Record Factory Setting Version Number read only Have this information available when calling the factory for assistance that is not covered in this manual 56 RX Series 5 6 15 Digital Solid State protection Relays 5 2000A Timer Value Readouts for Protection Features F081 F086 provide display of timer or register values for information only The user cannot alter them Upon power loss and restoration these values are updated for time elapsed F081 F082 F083 F084 F085 F086 Restart Delay Time Readout Factory Setting Not Applicable Range 0 999 Seconds Remaining time value readout of F079 the Auto Restart Delay Timer Coast Down Backspin Timer Value Factory Setting Not Applicable Range 1 3600 Seconds Remaining time value readout of F045 the Coast Down Lockout Timer Starts per Hour Timer Value Factory Setting Not Applicable Range 1 3600 Seconds Remaining time value readout of F049 the Starts per Hour Lockout Timer Starts per Hour Counter Readout Factory Setting Not Applicable Range 1 10 Starts Incremental counter value readout of F045 the Starts per Hour Lockout Time Value Between Starts Readout Factory Setting Not A
104. ssword Changing passwords To change an existing password the steps are essentially the same as outlined above except you must first enter the existing password At F070 press the READ ENTER key to reveal the encoded password you must know that password before it can be changed Use the Arrow keys to enter the password As soon as you press the first Arrow key the display will change to 0000 and start showing the actual value of your entry When you get to the existing password press the READ ENTER key again The display will flash PASS to indicate that the password was accepted If it flashes Err you have entered the wrong password Resetting to Factory Defaults using F071 will NOT reset the password Disabling Password Protection Parameter Lockout Changing function F070 to 0000 will disable the user password If the initial display reads 3552 the password is already set to 0000 67 RX Series Digital Solid State protection Relays 5 2000A Appendix B Process Control Timer Functions F050 through F059 Overview of Process Timer Control and Time Clock Controller Features The following special functions allow your RX Series relay to operate automatically from an internal Process Control Timer and Time Clock Controller TCC using a real time clock The Process Control Timer F050 and F051 can be used independently or together with the TCC feature F032 39 The TCC requires using the Process Control Tim
105. t ZCT Firmware Version 0 Disabled or 1 Test force Relay 1 2 Test force Relay 2 Read Only 0 Disabled ZCT Select Ground Fault Source Over Current Alarm 0 Disabled Residual 1 Enabled Zero Sequence CT 0 50 300 of FLA 0 Disabled Over Current Alarm Delay 1 20 seconds Under Current Alarm 0 10 90 of FLA 0 Disabled Under Current Alarm Delay 1 60 seconds 84 RX Series Digital Solid State protection Relays 5 2000A Appendix E Rx Zero Sequence Ground Fault CT Option The Rx ZCT option allows users to connect a Zero Sequence Ct to the Rx without modification of the Rx unit itself Installation Before installing the ZCT option make sure power is turned off to the Rx relay The ZCT unit snaps onto the top of Rx unit The Keyboard fits on top of ZCT option or can be connected via a DB9 extension cable The ZCT option extends beyond the right side of the Rx and has a second KB connector on the side to connect to the Keyboard Remove Keypad Rx Keypad ZCT Option Rx Keypad Rx Keypad ZCT Option Rx Base Unit Rx Base Unit STEP 1 STEP 2 ZCT Option Connection Side TB1 3 position Terminal Block to connect the GF CT 123 CT selection TB1 pin 1 amp 3 gt 50 0 025 CT TB1 pin 2 amp 3 gt 50 0 050 CT 85 RX Series Digital Solid State protection Relays 5 2000A Bottom Side DB 9 Male Conn
106. t set and the time specified in F015 This fault condition is often referred to as a Load Loss Trip and can be used to detect a broken shaft V belt or other mechanical drive system component In pumping applications this can be used as a Loss of Prime trip Under Current Trip Delay Factory Setting 2 seconds Range 1 60 seconds Provides a time delay to prevent nuisance trips from short duration transients Using default setting if the output current of any phase drops below F014 for more than 2 seconds the relay will trip 37 RX Series F016 Stall Trip Setting Stall Trip i F017 Stall i Trip Delay Motor Current Current Time Figure 5 6 2 c Stall Trip F018 Peak Current Trip Setting Motor Current Current Time Figure 5 6 2 d Peak Current Trip F016 F017 F018 F019 Digital Solid State protection Relays 5 2000A Stall Detection Trip Level Factory Setting 0 Disabled Range 100 600 FLA 0 Disabled When a value other than 0 is entered for F016 the relay will trip when the output current of any phase exceeds the amount set and the time specified in F017 This is similar to the Over Current Trip in F012 except the trip threshold levels can be set higher and should be used primarily to detect a locked rotor or incomplete acceleration Stall Trip Delay Factory Setting 2 second Range 1 10 seconds Provides a time delay to prevent n
107. tage During Decel or Stop UEd 36 Trip Over Frequency During Accel OFA 37 Trip Over Frequency During Constant Speed OFC 38 Trip Over Frequency During Decel or Stop OFd 39 Trip Under Frequency During Accel UFA 40 Trip Under Frequency During Constant Speed UFC 41 Trip Under Frequency During Decel or Stop UFd 42 Trip Power kW Trip During Accel PRA 43 Trip Power kW Trip During Constant Speed PRC 44 Trip Power kW Trip During Decel or Stop PRd 45 Trip Power Factor Trip During Accel PFA 46 Trip Power Factor Trip During Constant Speed PFC 47 Trip Power Factor Trip During Decel or Stop PFd 48 Trip Acceleration Time Trip During Accel ACA 49 Trip Reserved for ACA 50 Reserved for ACA 51 External Trip During Accel EtA 52 Trip External Trip During Constant Speed EtC 53 Trip External Trip During Decel or Stop Etd 54 Trip Reserved for N3PH 55 Reserved for N3PH 56 Reserved for N3PH 57 Over Current Alarm During Accel AOCA 58 Flash Trip Over Current Alarm During Constant Speed AOCC 59 Flash Trip Over Current Alarm During Decel or Stop AOCd 60 Flash Trip Under Current Alarm During Accel AUCA 61 Flash Trip Under Current Alarm During Constant Speed AUCC 62 Flash Trip Under Current Alarm During Decel or Stop AUCd 63 Flash Trip Table 7 1 Fault Code List 65 RX Series Digital Solid State protection Relays 5 2000A Appendix A Parameter Lock User Password Instructions Caution F070 and F072 provide users with t
108. tal Solid State protection Relays 5 2000A Chapter 1 Introduction Thermal Model Electronic Overload Protection Retentive Thermal Overload Curves Overload Reset Acceleration Protection Current Protection 1 1 General Description The RX Series is a digitally programmable solid state motor protection relay The RX Series features an advanced solid state overload relay that provides much more than protection for your motor and load Designed to be versatile it can be used in any 3 phase motor controller configuration including Across the Line DOL Reversing 2 speed electro mechanical Reduced Voltage Wye Delta Star Delta and Solid State Soft starters The RX Series includes a programming keypad to set operating parameters for ideal starting and protection features plus easy to understand diagnostic LEDs Built in Metering features can reduce the amount of separate components necessary for complete motor monitoring An integrated Batch Process Timer and Time Clock Controller can be used for automated applications The RX Series can accept 85 265VAC control power from any source without adjustments or settings and can use a dry contact input for Start Stop control A line voltage of up to 600V can be directly input or PTs can be used for up to 15kV motors Current can be directly monitored up to 75A or up to 1200A through external CTs 1 1 1 Advanced Motor Protection Features A sophisticated Thermal Model of the
109. tection Relays 5 2000A check the motor nameplate FLA and Service Factor to ensure proper sizing Each size has an adjustable range of current from 50 to 100 of the unit s max current rating Motors that are smaller than the lowest setting can be accommodated by using Primary Turns see section 4 1 2 for details Current Range Current Range using Primary Turns direct reading Min Max 1 2 5A 5 turns max RX 40 P 20 40A 10 20A 4 turns max Table 1 2 RX Series Sizes The RX 5 P is also designed to be used with external CTs for motors with FLA ratings beyond the 75A limit of a stand alone relay See Chapter 4 for additional details NOTE CT Grounding Is For CE Compliance 5A External Figure 1 2 RX 5 P al CTs for larger motors RX Series Chapter 2 Installation Digital Solid State protection Relays 5 2000A 2 1 Receiving and Unpacking Upon receipt of the product you should immediately do the following Carefully unpack the unit from the shipping carton and inspect it for shipping damage if damaged notify the freight carrier and file a claim within 15 days of receipt Verify that the model number on the unit matches your purchase order Confirm that the ratings label on the unit matches or is greater than the motor s HP and current rating 2 2 Choosing a Location Proper location of the RX Series is necessary to achieve
110. ther Numbers Password Note Level 1 Fn 0001 thru 0071 0 Disabled 1 Clear THR and Lockout Timers 2 Reset to Factory Default Settings 2000 9999 Enabled Note Level 2 Fn 0071 thru 0108 F073 CT Value 5 2000 5 5 PT Value 1 200 1 1 F075 1 1 direct voltage input 2 200 1 kV Voltage Input displays encrypted code System Clear Reset System Settings 2000 displays encrypted code Parameter Lock F072 Customer Level 2 Password en bi O lt FO76 Default Status Display 1 20 see Table Auto Reset Fault Preferences 2 12 4 on Selected Faults See Table 5 6 13 1 Phase Auto Reset Selected Faults Loss only Auto Reset Attempts 0 Disabled or 1 10 attempts 1 fete dee MEN 0 Disabled or a ANSE 1 999 seconds after a Power Loss 1 second q y Status can be read in F081 Restart Delay Time Value Coast Down Timer Value Starts Per Hour Timer Value Starts Per Hour count Time Value Between Starts Thermal Capacity to Start 3 for F005 0 100 Thermal Capacity Pe we eee o O F077 F078 F079 Auto Reset and F082 F083 F084 F085 Inhibit Timer and Counter F086 83 RX Series Digital Solid State protection Relays 5 2000A Appendix D cont Relay Settings Record Function Description Adjustment Display Range Setting Increments Factory Setting Setting Setting Fault History 1 Latest Fault 0 No fault history
111. uipment Ground Fault Protection Power Protection Starting Inhibit Protection Restart Delay Auto Reset Over Voltage Trip Level 1 10 of Line Voltage Under Voltage Trip Level 1 20 of Line Voltage Separate levels for Start and Run modes Voltage Imbalance Trip Level 1 30 Phase Difference Voltage Trip Delays 1 20 seconds Phase Loss Trip Any phase current less than 20 of FLA setting Phase Rotation Trip ABC ACB or insensitive Over Frequency Trip 1 10Hz programmed frequency Under Frequency Trip 1 10Hz programmed frequency Phase Protection Trip Delays 1 20 seconds Type Residual Current Trip Range 5 90 of unit CT ratio Trip Delay 1 60 seconds Motor kW Trip Settings Over Under Trip or Alarm Under kW Trip Level 20 100 of calculated motor kW kW Trip Delay 1 9999 minutes PF Trip Setting Lead Lag or Lead Lag Normal or Reversed current direction PF Trip Level 0 01 1 0 cos 9 Coast Down Back Spin Lockout Coast Down Time Range 1 60 minutes Starts per hour Lockout 1 10 successful starts per hour Minimum Time between Starts Lockout 1 60 minutes between start attempts Sequential Start Feature for restarting delay after a power outage 1 999 seconds after a power loss Can be programmed to attempt resetting after selected faults 12 settings 0 10 Attempts 2 minutes delay between attempts 1 1 2 Control Features Motor Control
112. uisance trips from short duration transients For example using default settings if the output current of any phase exceeds F016 for more than 2 seconds the relay will trip Peak Current Trip Level Factory Setting 0 Disabled Range 800 1400 FLA 0 Disabled When a value other than 0 is entered for F018 the relay will trip when the output current of any phase exceeds the amount set and the time specified in F019 This is similar to the Stall Trip in F017 except the trip threshold levels can be set extremely high and should be used primarily to detect a short circuit or other rapid increase in current that may damage equipment Peak Current Trip Delay Factory Setting 0 01 second Range 0 01 0 5 seconds or 0 instantaneous Provides a time delay to prevent nuisance trips from short duration transients For example using default settings if the output current of any phase exceeds F018 for more than 0 01 seconds 10ms the relay will trip 38 RX Series Digital Solid State protection Relays 5 2000A 5 6 2 a Ground Fault F020 F021 provides Ground Fault protection for equipment only a k a Arcing Ground Fault using the Residual Current method Trip setting in F020 is based on the Adjusted CT ratio see F001 Note 2 A delay time is available in F020 to help prevent nuisance trips Ground current can always be viewed in the Status Display shown with a G prefix see section 5 3 1 WARNING THIS
113. vent nuisance trips from short duration transients For example using default settings if the line frequency exceeds the amount set in F033 for more than 2 seconds the relay will trip Under Frequency Trip Limit Factory Setting 0 Disabled Range 1 10Hz or 0 Disabled When a value other than 0 is entered for F035 the relay will trip when the line frequency exceeds the amount set and for the time specified in F036 This feature is especially useful in generated power applications as backup protection to the generator s governor control Under Frequency Trip Delay Factory Setting 2 seconds Range 1 20 seconds Provides a time delay to prevent nuisance trips from short duration transients Using default setting if the line frequency drops below F035 for more than 2 seconds the relay will trip 43 RX Series Digital Solid State protection Relays 5 2000A 5 6 5 Motor Power Protection Features F037 F043 set extended protection features that may be used in the RX Series relay Percentages shown are all based automatically upon the Motor nameplate and line voltage information programmed into F001 and F006 7 along with calculate Power Factor to determine accurate motor loading No additional calculations are necessary Use these settings when it is necessary to take action based on true motor loading HP or kW which is more accurate that current alone because it will not fluctuate with line voltage condit
114. xpired This timer initiates upon the first start in an hour It resets after 1 hour from that start and waits until another subsequent start to initiate again Often used in conjunction with F046 Note Consult the motor manufacturer for a Starts per Hour or Starting Duty Cycle rating Larger motors tend to have lower starts per hour ratings 46 RX Series Digital Solid State protection Relays 5 2000A F046 Minimum Time Between Starts Lockout Factory Setting 0 Disabled Range 1 60 minutes or 0 Disabled When F046 is set to 1 through 60 the motor cannot be restarted within the time specified after the first start Time between starts is calculated from the time of the first start command to the next regardless of run time or off time Example lf F046 15 the motor will not be allowed to re start within 15 minutes of first start This function is useful as a Short Cycle Timer in preventing excessive wear on motors where automatic demand control may occasionally cycle on and off too quickly such as compressors or sump pumps 5 6 7 Output Relays There are two programmable Output Relays rated 240VAC 5A 1200 VA in the RX Series They can be programmed for change of state indication for any one of the 30 conditions identified in the following chart Relays can be tested using F111 see section 5 6 18 F047 Aux Relay 1 Form A SPST Factory Setting 21 Any Trip Fail Safe Range 1 26
115. ys 5 2000A 5 6 Function Descriptions Your RX Series relay is set at the factory with typical default settings that perform well in most applications Following are detailed descriptions of each Function and the factory default settings 5 6 1 Motor and Overload Function Descriptions F001 Motor FLA Factory Setting 0 Range 1 2000A but limited by CT ratio note 2 MOTOR FLA F001 Set the value of this function to the motor nameplate Full Load must be programmed Amps FLA see note 1 Adjustments for service factor are not for unit to operate necessary when programming this function If the motor nameplate FLA is not available use typical values as shown in NEC NEMA standard MG 1 or other reputable third party source motor manufacturer etc Notes 1 Use the actual motor nameplate FLA values in this function even if using a CT for current sensing Calculations are done internally to determine measured current based on the CT ratio programmed into F073 It will be necessary to program F073 first in that case 2 The range of adjustment for the Motor Nameplate FLA will vary first in accordance with the Adjusted CT Ratio the CT ratio in FO73 and the number of Primary Turns in F074 and secondly in accordance with the Service Factor as programmed into F002 At the default setting of 1 0SF the full range of adjustment up to the maximum current according to the Adjusted CT Ratio value is possible As the

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