CET 5 Modular Protection System
Contents
1. 2 4 Start Monitoring OR LRT 2 4 START MOTOR TIME ACCEL 274 Start Delta Set RUN ST TC 2 STAR DELTA ENABL OL WARN LEVEL MAX STAR TIME STOP COOL TIME RTS HR OL RTD BIASING N OFF TIME 5 a 5 m m ala 3 5 2 RESTART BLK TIME SC TRIP LEVEL Speed Sw Set m T m m m Al MIN E 4 D9 TYI m 1 09 TRIP LEVEL 09 WARN LEVEL D10 LOCATION 4 m xao d o c m D D P LEVEL RN LEVEL ATION x l a D D D PE D11 WARN LEVEL ATION PE ala P LEVEL RN LEVEL N LVOTING RIP VOTING BIASING D D D D a Figure 19 Main Menu gt Show Set gt Relay Cont d Undervoltage Set Load Control Set Steps back one Relay Cont d a Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Overvoltage Set LD CTL PWR LOWER OV TRIP LEVEL LD CTL TCU UPPER OV TRIP DELAY LC CTL TCU LOWER OV WARN LEVEL 1 0 Settings OV WARN DELAY ANALOG 0 OUT SEL Trip i Underpower Set UP TRIP DELAY elay Behavior UP WARN LEVEL RIP FAIL SAFE UP WARN DELAY FAIL SAFE co c gt X Power Factor Set X2 FAIL SAFE X3 FAIL SAFE FAIL SAFE FAIL SAFE 2 gt PF LD WARN LEVEL imer Settings PF WARN DE2. Main Settings and Overload Settings groups should be adjusted according to the motor and system requirements Settings in other groups can be programmed as desired Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Hardware Relay Mounting Installation Figure 1 Mounting and Dimensions 2 2 Legend mm in q Mounting Panel maximum thickness 6 5 mm w 8 x 1 2 inch mounting screw e Gasket Option Cards Figure 2 Inserting Option Cards Screws wer Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Converter Modules and Optional Core Balance CT RTD Scanner Figure 3 Converter Module CBCT and RTD Scanner Connections 157 0131 IMPORTANT LTE AED u CWE ufo oO O DEVICENET 0 31 in 8 0 mm w a 5 o a u 190 3011 01 Settings associated with options or accessories converter module voltage input card expansion I O card RTD scanner require their installation or connection prior to being made available for configuration 1 The CET 5 relay is not EMC Tested for converter module connecting cable lengths greater than the 4 meter cable that is supplied 2 Up to 12 RTDs can be monitored when an external RTD Scanner is used There are separate trip and warning settings for each RTD 3 A simplex 62 5 125 um fiber optic cable with ST connector is needed for connecting
3. See Fig 15 for more details ort 0 Assign ate Time assword See Fig 17 18 amp 19 for more details See Fig 16 for more details g E Reboot Relay iui _RebootRestore Front Panel Access Lvl lt lt Reset Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Figure 13 Main Menu gt Meter VA VAB Angle A VBC Angle 21 Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Figure 13 Main Menu gt Meter Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Figure 14 Main Menu gt Events L L _ L1 Current Current RES AB BC CA G V Reset Events 23 24 Figure 15 Main Menu gt Motor Monitor Motor Monitor Time Running Reset Statistics Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Steps back one level Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Figure 16 Main Menu gt Targets C T PTCTRIP PTC Trip T Ground Fault Residual Trip 506 Eg TT PI 55T 4 hase Reversal Trip Power Factor Trip SPDSTR Speed Switch Trip 50N1T Ground Fault Core Balance Trip RIP Start Time Frequency 1 Frequency 2 RIP RTD Amb CFI RTDF LT P rip rip rip HTRIP RTD Other Trip ient Trip C Error Tri p LT R
4. a given bit s associated function To assign a function to the Trip relay simply program a value 1 in the bit location for each element you desire to assign using the TRIP A through TRIP D settings The front panel display appears as follows TRIPA 101 10000 OVERLOAD Table F Trip Relay Settings Bit 0 1 2 3 4 5 6 7 TRIP A Overload Undercurrent Jam Current Short Circuit RTD W B PTC Ground Fault Imbalance Res TRIP B VAR Underpower Under Over voltage Phase Power Factor Speed Ground Fault voltage Reversal Switch CB TRIP C Start Time Freq 1 Freq 2 RTD Other RTD PTC Error RTD Error MOM Error Ambient TRIP D Comm Idle Comm Loss Remote Trip Comm Fault Reserved Reserved Reserved Reserved TIP Make sure the Trip relay terminals 95 96 and 98 are labeled to correspond with the relay behavior setting B gt Fail Safe or Non Fail Safe 17 Quick Start Guide Sprecher Schuh CET 5 Modular Protection System AUX Assign The CET 5 allows mapping of protection trip and warning and general purpose control elements to the auxiliary outputs Assign functions to the auxiliary relays in the same manner as performed with the Trip relay settings Table G Auxiliary Relay Functions Bit 0 1 2 3 4 5 6 7 AUX A Overload Undercurrent Jam Current Short Circuit RTD W B PTC Ground Fault Imbalance Res AUX B VAR Underpo
5. the external RTD module to the CET 5 Fiber optic cable is not supplied Contact your local Sprecher Schuh distributor Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Wiring Installation Main Circuit Figure 4 Relay with Phase CTs and CoreBalance CT L1 12 13 Converter Module CWE 4 2 CWE 4 20 VAA E CWE CET 5 nt 2 4 6 S1 52 1 C T2 gt T1 primary current transformer A 5 A A T2 core balance transformer Current ratio of core balance current transformer 1 2000 1 Output from core balance current transformer 0 500 mA Transformer T2 circuit and the CET 5 relay chassis must be grounded in the relay cabinet This will minimize susceptibility to noise in the ground current measurement Figure 5 Relay without Phase CTs Converter Module ll dH i CWE 4 2 m CWE 4 20 CWE 4 180 l ie un CWE 4 630 M CWE 4 630N Figure 6 Voltage Connections Optional Card required E 5 F1 F2 and F3 are fuses F1 Li F2 12 L3 5 Direct Connection N Xfmr Connection Wye 12 L3 F F2 12 5 13 N Wye Wye VT Connection 12 L3 F1 Li I 12 CET5 F3 13
6. 2 ASSIGN DATE TIME DATE TIME PASSWORD Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Steps back one level RELAY Main Settings Overload Set Short Ckt Set GF CB Settings GF Res Settings am Settings Undercurrent Set Current Imb Set Prot Disable Start Monitoring Star Delta Set Start Inhibt Set Speed Sw Set PTC Setting RTD Setting Undervoltage Set Overvoltage Set AR Settings Underpower Set Power Factor Set Freq Settings Phase Rev Set Load Control Set 1 0 Settings Trip Inhibit Relay Behavior imer Settings Front Panel Set Display Set Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Steps back one level Figure 17 Main Menu gt Show Set STOP BITS PORT TIMEOUT HDWR HAND SHAKING COMM INTERFACE PROTOCOL SPEED PARITY MODBUS SLAVE ID 27 Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Figure 18 Main Menu gt Show Set gt Relay Steps back one level nd D2 TR CT RATIO 2 JAM WARN DELAY D2 WARN LI MOTOR FLA Undercurrent Set CORE UC TRIP LEVEL D3 LOCATION D PHAS UC TRIP DELAY 3 TYPE XFMER CONNECTION C WARN DELAY D4 WARN LEVEL ATIO D5 LOC D5 TYPI D5 TR 5 WA U U ME Overload Set START INHIBIT 1 N P LEVEL D RN LEVEL D6 LOCATION D6 TYPE D6 TR ROTOR TIME Prot Disable ELRACTOR PROTINHIBI TIME ATE TIME K OL INHIBT TI OR LRC
7. LAY N DELAY TI Freq Settings FF DELAY T1 FREQ1 TRIP LEVEL N DELAY 12 FREQ1 TRIP DELAY FF DELAY 2 FREQ1 WARN LEVEL Front Panel Set FREQ1 WARN DELAY LCD TIMEOUT FREQ2 TRIP LEVEL LCD CONTRAST FREQ2 TRIP DELAY Display Set FREQ2 WARN LEVEL TIME amp DATE FREQ2 WARN DELAY GROUND CURRENT Phase Rev Set 2 9 9 gt 29 Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Figure 20 Main Menu gt Status Steps back one level RD Relay configuration identification DC offset in hardware circuits of current channels DC offset in hardware circuits of voltage channels Dee BE mo LN wooo w xu poe 770000000 7 CS i umeshmeuAs From Fane rpg MRO TOR aw GTI Lusaka mw m RAN ana Mana AAN nn m Crd Integrity of DeviceNet card and network DevineNet card specific card identification ASA Manufacturer identifier for DevieNet DN_Rate DeviceNet card network communications data speed DeviceNet connection and fault status 30 Quick Start Guide Sprecher Schuh CET 5 Modular Protection System 31 Publication CET5 QS001A EN P August 2004 2004 Rockwell International All Rights Reserved Printed in USA
8. Open Delta VT Connection N Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Figure 7 Input Output Slots C D and E are for option cards Rated supply voltage is 110 240V AC or 110 250V DC uwr ana GND 300V EN DEVICENET i aus m Al H 08 wirt POWER AZ A2 iN Tein Be sure to properly label and connect the Trip relay terminals according to the programmed behavior factory default setting is Fail Safe Front Panel Figure 8 Relay Front Panel 0 pe ration Seri Por Quick accses 1o all raday data conim and setting functors using PC serial cable and schwere raay setings menus Pishtutons Control the front panel display TESTIRESET Pushbution Ama Pushbutions Peset the TRIP Facilitate navigation TAP TEST the ky left naht up and doen The following table provides a description for each programming key s function Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Saving Settings System Configuration 10 Table B Front Panel Programming Key Description Push Button Function UpArrow Move up within a menu or data list While editing a setting value increase the value of the underlined digit DownArrow down within a menu or data list While editing a setting value decrease the value of the underlined digit LeftArrow Move the cursor to the left While viewing event da
9. TD Error Trip CMFLT MCM Error Trip 49A Overload Warning LOSSA LRM Undercurrent Warning JAMALRM Jam Warning 46UBA RTDA Current Imbalance Warning RTD Winding Bearing Warning 55A Power Factor Warning 50N2T 50G2T Ground Fault Core Balance Ground Fault Core Balance Warning Warning Steps back one level VARA VAR Warning 37PA Underpower Warning 27P2T Undervoltage Warning 59P2T Overvoltage Warning SPDSAL Speed Switch Warning 81D1A Frequency 1 Warning 81D2A Frequency 2 Warning OTHALRM RTD Other Warning AMBALRM RTD Ambient Warning SALARM Setting Warning WARNING General Warning LOADUP Load Control Upper LOADLOW Load Control Lower Timer 1 TIMERZT Timer 2 50P2T Short Circuit Warning Row 8 STOPPED Stopped State RUNNING Running State STARTING Starting State STAR Star Wye Starting State DELTA Delta Starting State START Start Command Reserved Reserved N1 Input 1 State N2 Input 2 State N3 Input 3 State NA Input 4 State N5 Input 5 State Reserved Reserved Reserved rip Relay State Auxiliary Relay 1 State Auxiliary Relay 2 State Auxiliary Relay 3 State Auxiliary Relay 4 State Auxiliary Relay 5 State Auxiliary Relay 6 State Reserved 25 26 Figure 17 Main Menu gt Show Set ASSIGN AUX4 ASSIGN IN1 ASSIGN IN
10. er input assignment Once a selection is assigned it is not available to other inputs Analog Output The expansion I O option provides an isolated 4 20 mA DC analog current output with a variety of output parameters Use the Analog Output Select setting to select a parameter from the list of available options Table I shows description and scaling of the output for different parameters selections Table I ANALOG OUT SEL 272 Output Scaling 4 tren ve a A DAD Average Load Current U0 140 Per Unit of FLA AW I Average Load Current 0 2 20 Per Unit of FLA MAX I Maximum of the Phase currents 0 2 2 0 Per Unit of FLA Percentage Thermal Capacity D 100 5 TOI WDG RID Hottest Winding Temperature 0 20 BR amp Hottest Bearing RID Temperature 0 250 C PAR kW Motor Power 0 0 1 0 per unit PF Motor Power Factor 0 8 Lag 0 8 Lead 19 Appendix A Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Visibility of some settings depends upon the system IMPORTANT Menu Structure IMPORTANT hardware configuration For example RTD settings are 20 viewable only when the optional RTD Scanner is connected and communicating with the CET 5 relay Figure 12 Menu Structure ojo Gy 1 Eje 9 Eee 1 Steps back one level Instantaneous See Fig 13 for more details Display Events See Fig 14 for more details men E 9 De
11. ervoltage Settings Voltage monitoring with optional voltage input card VAR Settings Reactive power Underpower Settings Power based underload detection Power Factor Settings Displacement power factor monitoring Freq Settings Line frequency monitoring Load Control Settings Settings for relay control based on motor loading See Appendix A for more details After the operational and protection parameter values are set the next step is to assign these functions to the relays ATTENTION Protection elements have no effect until they are assigned to the Trip relay or an auxiliary relay To assign functions to the output relays and inputs use the following path MAIN gt Set Show gt IO Assign 15 Quick Start Guide Sprecher Schuh CET 5 Modular Protection System TIP 110 ASSIGN Press these keys I b mavewithinthe list DA TE TIME PASSWORD Press this key toselect e an under bed menu item e The relay outputs will function as a N C contacts when the relay behavior setting is Fail Safe Y and will function as a N O contacts when the relay behavior setting is Non Fail Safe N Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Trip Relay Assign The CET 5 allows mapping of only protection trip elements to the Trip output relay Settings are presented as bit enumerated strings The second line of the display identifies
12. gs to select data that is displayed in the rotating status See Appendix A for more details Programming Protection Parameters Output Relay and Input Assignments Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Use the following path with the front panel programming keys to access the protection parameter settings MAIN gt Set Show gt Relay gt Group Table E Protection Parameters Group Description Overload Settings Thermal overload Short Ckt Settings Short circuit GF CB Settings Ground earth fault core balance method GF Res Settings Ground earth fault residual method Jam Settings Mechanical jam overcurrent Undercurrent Settings Current based underload detection Current Imb Settings Current imbalance asymmetry Prot Disable Settings to disable protection elements during motor starting for a user specified time period Start Monitoring Stall protection on motor start current time based Star Delta Settings Settings for star delta control Start Inhibt Set Settings for starts hour and antibackspin Phase Rev Settings Phase reversal sequence Speed Sw Set Stall protection on motor start speed switch input monitoring PTC Settings Thermistor monitoring RTD Settings RTD settings for use with optional RTD Scanner Undervoltage Settings Voltage monitoring with optional voltage input card Ov
13. ions Factory default settings are for DeviceNet communications Use the following path with the front panel programming keys to access the Port 4 settings MAIN gt Set Show gt Port gt Port 4 The following table provides direction for the proper settings associated with each communication option Table C Communication Settings Setting Prompt Setting Range DeviceNet Modbus Empty COMM INTERFACE 1 232 485 232 485 232 PROTOCOL ASC MOD MOD MOD MOD SPEED 300 38 400 bps 19 200 19 200 19 200 PARITY 0 E N N N N MODBUS SLAVE ID 1 248 248 1 to 247 1 A 232 setting is possible although not typical IMPORTANT The CET 5 displays COMMELT Warning on initial power up with factory default settings when the hardware installed in Slot C is as follows Empty Modbus DeviceNet but not powered Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Programming Use the following path with the front panel programming keys to access the general General parameter settings MAIN gt Set Show gt Date Time MAIN gt Set Show gt Password 10 ASSIGN io mavewithinthe list DA PASSWORD Press these keys Press this key toselect an unda irei menu item Port In addition to configuring Slot C Port 4 for communications as described in Step 4 settings are available for configuring the Port F front panel RS 232 communication
14. llowing Accept Config Yes No Quick Start Guide Sprecher Schuh CET 5 Modular Protection System 3 Position the cursor at Yes and press the Enter key The CET 5 programming system checks parameter settings to ensure that no interdependency setting errors exist If none exist the front panel displays the following Config Accepted Enter to Restart IMPORTANT If the system check finds interdependency setting errors the front panel display Settings Mismatch An example of mismatched settings is the correlation between the Motor FLA and Phase CT Ratio settings Review setting values to determine where the mismatch exists or if little or no programming has been performed yet reset the CET 5 relay to factory default values using the following path MAIN gt Reboot Restore gt Restore Defaults The front panel then displays Restore Default No Yes Position the cursor at Yes and press the Enter key The CET 5 relay will reboot at this point Return to the first step of the System Configuration process 4 Press the Enter key The CET 5 reboots and the Enable LED illuminates with the following displayed on the front panel CET 5 MODULAR PROT SYSTEM If the LCD display COMMFLT WARNING configuration of the Port 4 is required See next section 11 Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Port 4 Settings The Port 4 settings configure slot C for communicat
15. mestic can cause unwanted electromagnetic disturbances in which case the user could be required to take adequate mitigation measures This product is tested to meet the Council Directive 89 336 EEC Electromagnetic Compatibility EMC by applying the following standards in whole EN 60947 4 1 Low Voltage Switchgear and Controlgear Part 4 Contactors and Motor Starters Section 1 Electromechanical Contactors and Motor Starters EN 60947 5 1 Low Voltage Switchgear and Controlgear Part 5 Control Circuit Devices and Switching Elements Section 1 Electromechanical Control Circuit Devices This product is intended for use in an industrial environment Low Voltage Directive This product is tested to meet Council Directive 73 23 EEC Low Voltage as amended by 93 68 EEC by applying the safety requirements of EN 60947 4 1 and EN 60947 5 1 For specific information required by EN 60947 4 1 and EN 60947 5 1 see the appropriate sections in this publication To obtain a copy of the CET 5 s Declaration of Conformity DoC contact your local Sprecher Schuh distributor Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Introduction Follow these steps to successfully commission the CET 5 Modular Protection System Table A Commissioning Procedure 22 D Description General Precautions Hardware Installation Wiring Installation Front Panel Operation System Configuration Port 4 Se
16. ributor describes some important differences between solid state equipment and electromechanical devices that should be taken into consideration when applying products such as those described in this publication Reproduction of the contents of this copyrighted publication in whole or part without written permission of Rockwell Automation is prohibited Throughout this manual we use notes to make you aware of safety considerations Identifies information about practices or citcumstances that can lead to personal injury or ATTENTION P P death property damage or economic loss Attention statements help you to Identify a hazard Avoid a hazard Recognize the consequences IMPORTANT Identifies information that is critical for successful application and understanding of the product Quick Start Guide Sprecher Schuh CET 5 Modular Protection System European Communities EC gt Trademark List DeviceNet and the DeviceNet logo are trademarks of the Open Device Vendors Association ODVA Microsoft Windows is a registered trademark of the Microsoft Corporation Directive Compliance The CET 5 Modular Protection System is CE marked for installation within the European Union and EEA regions It has been designed and tested to meet the following directives EMC Directive This product has been designed for environment A heavy industrial Use of this product in environment B light industrial or do
17. s Port F is available for computer connection Date Time Program the date day month year and time hour minutes seconds with the settings available here Password The CET 5 provides the ability to set password protection to limit access to the programmable settings from the front panel Password protection is disabled from the factory See Appendix A for more details 13 Quick Start Guide Sprecher Schuh CET 5 Modular Protection System Programming Operational Parameters Use the following path with the front panel programming keys to access the operational parameter settings MAIN gt Set Show gt Relay gt Group Table D Operational Parameters Group Description Main Settings Basic system settings related to three phase power source e g line voltage rating and frequency motor rated current and transformer current and voltage data 1 0 Settings Settings related to configuration of the optional analog output Trip Inhibit Settings to configure the blocking of tripping functions These settings coordinate with assignment of a discrete input for Block Protection Relay Behavior Settings for configuring the output relays Timer Settings On delay and off delay timer settings for enhanced control capability of the auxiliary output relays Front Panel Settings Settings for controlling the front panel LCD operation Display Settings Settin
18. sprecher schuh CET 5 Modular Protection System Quick Start Quick Start Guide Sprecher Schuh CET 5 Modular Protection System IMPORTANT This guide Does Not replace the User Manual publication 5 UM004_ EN P and is intended for qualified service personnel responsible for setting up and servicing these devices You must have previous experience with and a basic understanding of electrical terminology configuration procedures required equipment and safety precautions Impo rtant User Because of the variety of uses for the products described in this publication those Information responsible for the application and use of this control equipment must satisfy themselves that all necessaty steps have been taken to assure that each application and use meets all performance and safety requirements including any applicable laws regulations codes and standards The illustrations charts sample programs and layout examples shown in this guide are intended solely for purposes of example Since there are many variables and requirements associated with any particular installation Rockwell Automation does not assume responsibility or liability to include intellectual property liability for actual use based upon the examples shown in this publication Rockwell Automation publication SGI 1 1 Safety Guidelines for the Application Installation and Maintenance of Solid State Control available from your local Sprecher Schuh dist
19. ta move to data for a newer event RightArrow Move the cursor to the right While viewing Event data move to the data for an older event Esc Re activate the front panel display back lighting Escape from the current menu or display Enter love from the default display to the main menu Select the menu item at the cursor Select the displayed setting to edit the setting 9G GA Trip Reset Trip test the device Reset the trip Itis important to note that programmed values become operational only after they have been saved to memory The programming system will prompt to save settings when the user navigates higher up in the programming menu by pressing the ESCape key The front panel display is as follows Save Changes Yes No To save changes place the cursor at Yes and press the Enter e key The CET 5 displays STATUS FAILURE on initial start up and after a hardware configuration change The second line of the display identifies the cause of failure if more than one configuration change is found the highest priority error is identified To remove the failure the new system hardware configuration must be manually accepted Use the following procedure with the front panel programming keys 1 Select Status from the MAIN menu and press the Enter 9 key The front panel displays the following Confirm Hardware Config Enter 2 Press the Enter key The front panel displays the fo
20. ttings Programming General Parameters Programming Operational Parameters Programming Protection Functions Output Relay and Input Assignments CO CO NM O1 By wy General Precautions Quick Start Guide Sprecher Schuh CET 5 Modular Protection System ATTENTION Have only qualified personnel service this equipment If you ate not qualified to service this equipment you can injure yourself or others or cause equipment damage ATTENTION Equipment components are sensitive to electrostatic discharge ESD Undetectable permanent damage can result if you do not use proper ESD procedures Ground yourself your work surface and this equipment before removing any cover from this equipment ATTENTION Disconnect or de energize all external connections before opening this device Contact with hazardous voltages and currents inside this device can cause electrical shock resulting in injury or death ATTENTION IMPORTANT IMPORTANT To install an option card the relay must be de energized and then reenergized When reenergized the relay will reboot Therefore de energize the protected motor before installing the option card to prevent damage to the motor For complaince to IEC standards regarding thermal overload protection set the SERVICE FACTOR to a value 1 05 1 20 For a properly configured device the settings in the
21. wer Under voltage Over voltage Phase Power Factor 5 Ground Fault Reversal Switch CB AUX C Start Time Freq 1 Freq 2 RTD Other RTD PTC Error RTD Error MCM Error Ambient AUX D Comm Idle Comm Loss Remote Trip Comm Fault Reserved Reserved Reserved Reserved AUX E Overload Undercurrent Jam Warn Curr Imbal RTD W B Pwr Factr Warn Gnd FIt CB Gnd Fit Res Warn Warn Warn Warn Warn Warn AUX F VAR Warn Underpwr Warn Undervolt Warn Overvolt Warn Speed Sw Freq 1 Warn Freq 2 Warn RTD Othr Warn Warn AUX G RTD Amb Setting Warn General Warn Load Ctl Upper Load Ctl Timer 1 Timer 2 Short Ckt Warn Lower Warn AUX H Stopped State Running State Starting State Star Starting Delta Start Command Network Reserved State Starting Control State TIP The AUX A through AUX D bytes are used to map trip functions to the output The AUX E through AUX H gt bytes are used to map warning and status functions to the output Quick Start Guide Sprecher Schuh CET 5 Modular Protection System IN Assign The CET 5 provides the ability to assign a control function to each discreet input Table H shows the available control functions and the method of assigning them Table H Input Function Assignment Emergency Start Disable Settings Trip Reset Timer 1 Timer 2 Speed Switch Block Protection Speed 2 Breaker Contactor Auxiliary The CET 5 allows only one selection p
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