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S&C Instruction Sheet 681-530

Specifications

USB Power

Type A to Type A USB cable

2 .5 W

CT Power

600-A models

14 A RMS in all three phases, or 42 A RMS in a
single phase

900-A models

28 A RMS in all three phases, or 84 A RMS in a
single phase .

Maximum measured current
All models

25 kA

Table 11. Specifications

Summary of Contents for Vista

Page 1: ...ol with a Web Browser Compatibility Mode and Microsoft Internet Explorer 18 Logging in to the Control 20 Logging In for the First Time Default Passwords 21 Changing the Admin Password 21 Changing the...

Page 2: ...ndbook before installing or operating your S C Vista Overcurrent Control Familiarize yourself with the Safety Information on pages 4 and 5 and the Safety Precautions on page 6 Video A video of this in...

Page 3: ...arts of the equipment or at seller s option by shipment of necessary replacement parts The seller s warranty does not apply to any equipment that has been disassembled repaired or altered by anyone ot...

Page 4: ...NOTICE identifies important procedures or requirements that can result in product or property damage if instructions are not followed Following Safety Instructions If you do not understand any portio...

Page 5: ...NGER Hazardous voltage inside Will shock burn or cause death G 9636 B DANGER Never disconnect CT secondary circuits without de energizing the switchgear Hazardous voltage will shock burn or cause deat...

Page 6: ...estricted only to qualified persons 2 SAFETY PROCEDURES Always follow safe operating procedures and rules Always maintain proper clearance from energized components 3 PERSONAL PROTECTIVE EQUIPMENT Alw...

Page 7: ...oss and or damage Inspection The overcurrent control for your S C Vista Underground Distribution System is housed in an enclosure mounted on the operation side of the switchgear For UnderCover Style a...

Page 8: ...current curves and ground overcurrent curves The families of curves are as follows IEEE ANSI U S curves per IEEE Standard C37 112 1996 and IEC curves per IEC 60255 3 U1 U2 U3 U4 U5 C1 C2 C3 C4 and C5...

Page 9: ...rrent settings can be selected Ground Negative Sequence and Sensitive Earth Fault settings can be selected The overcurrent control has three levels of access All access levels can view the status page...

Page 10: ...Windows is posted at http www sandc com vistaocc To install the driver STEP 1 There are two versions of the driver one for Microsoft Windows 10 and one for earlier versions of Microsoft Windows Downlo...

Page 11: ...Cover Style and Wet Vault Mounted Style Vista switchgear from its enclosure for workbench programming Opening the submersible enclosure may damage the sealing gasket Contact your local S C Sales Offic...

Page 12: ...plate See Figure 4 Removing the Electronics Module for Service Center Programming STEP 2 Loosenthescrewsholdingthetwotripconnectorsinplace Disconnectthetrip connectors and USB connector from the fron...

Page 13: ...totheinside of the cover of the electronics module This allows the current transformer shorting clip to connect with the power current transformer secondaries and short circuit the secondaries See Fig...

Page 14: ...alled at an angle STEP 2 Align the captive screws of the electronics module with the holes in the base plate of the burden board and push straight down gently See Figure 7 This connectstheelectronicsm...

Page 15: ...ectors to the front of the electronics module The trip connectors are keyed and cannot be swapped or installed incorrectly Connect the USB connector to the USB port on the electronics module See Figur...

Page 16: ...t 681 530 Reinstalling the Electronics Module STEP 5 Place the cover on the control enclosure and tighten the captive screws that secure the cover in place See Figure 10 Figure 10 Secure the enclosure...

Page 17: ...cable into an open USB receptacle on the PC Windows OS will detect the overcurrent control as a USB device STEP 3 When finished programming the overcurrent control make sure to replace the data port c...

Page 18: ...control by opening the Web browser Microsoft Internet Explorer may perform better when running in Compatibility mode If encountering unexpected behavior with Internet Explorer version 8 through 11 ple...

Page 19: ...s menu uncheck the box next to Display intranet sites in Compatibility View See Figure 13 Accessing the Overcurrent Control with a Web Browser Figure 13 Uncheck Display intranet sites in Compatibility...

Page 20: ...ew button allows the user to view the status of the control load currents protec tive settings firmware revision and to view and clear event logs No changes to the protective settings or control setti...

Page 21: ...ly recommends changing admin and user login passwords from the default setting when first logging in to the control You will be prompted to change the user login password at the first login under this...

Page 22: ...Eye icon Figure 18 Click on the Save button A confirmation message will display Control Settings Figure 17 Click on the Eye icon to reveal the password STEP 4 Enteranewpassword analpha numericsequence...

Page 23: ...gure 19 When logging in with the user login for the first time a prompt to change the password will open in the Control Settings menu STEP 2 Enter the default user password 6601 See Figure 20 Changing...

Page 24: ...ton A message that the password has been saved successfully will open See Figure 22 STEP 3 If desired click on the Eye icon to on the right side of the Current Password field to reveal the text of the...

Page 25: ...wed from admin and user logins and when using the View button The overcurrent control has a physical LED status display located on the outside of the electronics module that is visible when the overcu...

Page 26: ...r 1 773 338 1000 outside the U S for support The OVERCURRENT CONDITION A B and C indicator LEDs show the phase involved with a Phase Overcurrent Trip event if one has occurred If more than one phase i...

Page 27: ...g the load current will be zero in all interrupting ways and to ground The Control Settings menu shows the Overcurrent Protection settings for the control The overcurrent control settings cannot be ed...

Page 28: ...ip Mode setting matches the capabilities of the switchgear and the application Note that single phase fault interrupters can be configured for either the Single Phase Trip Single Phase Lockout or Sing...

Page 29: ...atus screen STEP 2 ClickontheSavebutton Amessagethatthesettinghasbeensavedwilldisplay The global settings are programmed at the factory to match the Vista switchgear model Recheck all settings to make...

Page 30: ...ing that the setting has been saved Continuous Current The Continuous Current setting configures the overcurrent control for the turns ratio of the switchgear s current transformers The turns ratio de...

Page 31: ...l for the interrupting rating of the switchgear There are three interrupter rating settings 12 5 kA 16 kA 25 kA To change the Interrupter Rating setting STEP 1 From the Global Settings menu select the...

Page 32: ...and lockout in response to an event b Select the Single Phase Trip Three Phase Lockout mode if the interrupting way is equipped with single pole fault interrupters See Figure 29 When the Single Phase...

Page 33: ...efer to the Installing the USB Driver section on page 10 for information on installing the USB driver The factory default USB settings are USB Network Settings MAC Address xx xx xx xx xx xx Set at Fac...

Page 34: ...ipped with three pole fault interrupters Phase B is used to configure the settings for the three pole fault interrupter All three phases will trip and lockout in response to a Trip event Ground Protec...

Page 35: ...5 Programming the Overcurrent Protection Settings Figure 30 The Time Overcurrent Phase Protection menu single phase trip single phase lockout Figure 31 The Time Overcurrent Phase Protection menu three...

Page 36: ...current Phase Protection Low Current Cutoff Definite Time 1 and 2 Ground Protection Negative Sequence and Sensitive Earth Fault settings are available in the Overcurrent Protection Setting Definitions...

Page 37: ...Time Overcurrent Phase Protection Error message STEP 4 Whenprogrammingtheovercurrentcontroliscompleted makesuretoreplace the data port cover and ensure it is secure S C recommends re checking the con...

Page 38: ...atically according to the ampere rating selected For IEEE and IEC curves enter the minimum trip current value in increments of 1 ampere The value should always be equal to or lower than the low curren...

Page 39: ...e protection settings for the selected way The Ground Protection element trips the fault interrupter when the computed residual of the three phase current exceeds the minimum trip current for the time...

Page 40: ...inite Time Phase Protection settings will trip the fault interrupter if the selected current exceeds the setting value for the specified time setting The Definite Time Phase Protection 1 element must...

Page 41: ...inverse curve begins timing When using Vista Coordination curves the minimum trip current is set automatically according to the ampere rating selected For IEEE and IEC curves enter the Minimum Trip Cu...

Page 42: ...e time delay at which the Definite Time Current element picks up Definite Time Element 1 or Element 2 Reset Time Parameters Negative Sequence Reset Type The Reset parameter is a definite time reset me...

Page 43: ...tion Elements Element 1 and Element 2 Select to enable or disable protection settings for the selected way Definite Time selection is available if a IEC IEEE or Vista coordination phase TCC curve is s...

Page 44: ...Parameters Reset Type Timed Timed Timed Timed Timed Timed Reset Time s 0 000 0 000 0 000 0 000 0 000 0 000 NOTICE S C Electric Company programs the Global Settings Nominal Frequency Continuous Curren...

Page 45: ...l See Figure 36 When the factory reset is complete a confirmation message will appear See Figure 37 Figure 36 Click on the OK button to confirm resetting the overcurrent control to the factory default...

Page 46: ...ent at the time of the event is also shown A key to the Trip Event Log is listed in Table 5 A sample trip event log might look like Figure 38 Figure 38 The Trip Event Log Table 5 Trip Event Log Descri...

Page 47: ...start time for the elapsed time counter ADC Interrupter 1 A Phase Status of the analog to digital converter An ADC error could prevent the overcurrent control from tripping in response to an event ADC...

Page 48: ...be in an error state and the Control Enabled indicator on the Status screen will be solid green indicating the primary functions of the control are inhibited Report any ERROR messages to S C Electric...

Page 49: ...681 530 49 Viewing Event Logs Figure 40 A Control Self Test Report NOTICE If a control error is registered on the Control Self Test report notify S C Electric Company A control in an error state may n...

Page 50: ...ter1 C Phase ADC Interrupter2 C Phase Power Supply 3 3 V Status of the on board power supplies Power Supply 12 V Flash memory Test Status of key microprocessor systems FRAM memory test Stack Overflow...

Page 51: ...Interrupter 2 Phase C To test trip the Vista Underground Distribution Switchgear STEP 1 Click on the Test Trip tab and select the Test Trip menu From the drop down menu select the Trip mode desired f...

Page 52: ...he file on the desktop and select it then click on the Open button The firmware file name will appear in the Upload field See Figure 42 STEP 3 Figure 42 The Firmware Upgrade dialog box Click on the Up...

Page 53: ...Fault Interrupter 2 Phase B 11 12 Fault Interrupter 2 Phase C Trip contacts are polarized External Connections This section describes each of the external connections to the control Included in the f...

Page 54: ...t Interrupter 2 Phase A 18 Fault Interrupter 2 Phase B 19 Fault Interrupter 2 Phase C 20 Fault Interrupter 2 Residual Table 10 Power Inputs Terminal Number Power Pole 21 Fault Interrupter 1 Phase A 22...

Page 55: ...er Type A to Type A USB cable 2 5 W CT Power 600 A models 14 A RMS in all three phases or 42 A RMS in a single phase 900 A models 28 A RMS in all three phases or 84 A RMS in a single phase Maximum mea...

Page 56: ...01 Time Multiplier 0 05 to 1 in steps of 0 01 Time Adder s 0 to 1000 in steps of 0 01 Definite Time Phase Protection Element 1 Definite Time Current A 14 to 12500 in steps of 0 01 14 to 13200 in step...

Page 57: ...1 Definite Time Phase Protection Element 1 Definite Time Current A 14 to 12500 in steps of 0 01 14 to 13200 in steps of 0 01 28 to 12500 in steps of 0 01 28 to 13200 in steps of 0 01 Definite Time Tim...

Page 58: ...5K 150K 175K 200K 15K 20K 25K 30K 40K 50K 65K 80K 100K 125K 150K 175K 200K Short Circuit RMS Sym Short Circuit RMS Sym 12 5 and 16 kA 25 kA 12 5 and 16 kA 25 kA Low Current Cutoff A 14 to 12500 in ste...

Page 59: ...to 13200 in steps of 0 01 28 to 12500 in steps of 0 01 28 to 13200 in steps of 0 01 Definite Time Time s 0 1000 in steps of 0 001 Definite Time Phase Protection Element 2 Definite Time Current A 14 to...

Page 60: ...steps of 0 01 14 to 13200 in steps of 0 01 28 to 12500 in steps of 0 01 28 to 13200 in steps of 0 01 Definite Time Time s 0 1000 in steps of 0 001 Definite Time Phase Protection Element 2 Definite Ti...

Page 61: ...lf protect its internal power supply and current sensing circuitry when a pickup setting in amperes and or a time setting exceeds the thermal limits of the electronic circuitry in both the electronics...

Page 62: ...et for more information When using IEEE or IEC curves with too high a minimum trip current and or too high a time multiplier Only applies to IEEE and IEC curves Select a lower time multiplier or a low...

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