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Startco SE-330 Manual

Neutral-grounding-resistor monitor
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406 Jessop Avenue
Saskatoon, Saskatchewan
Canada
S7N 2S5
Ph: (306) 373-5505
Fx: (306) 374-2245 www.startco.ca
SE-330 MANUAL
NEUTRAL-GROUNDING-RESISTOR MONITOR
MARCH 11, 2008
REVISION 5
Copyright  2008 Startco Engineering Ltd.
All rights reserved.
Publication: SE-330-M
Document: S95-C330-00000
Printed in Canada.

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  • Page 1 406 Jessop Avenue Saskatoon, Saskatchewan Canada S7N 2S5 Ph: (306) 373-5505 Fx: (306) 374-2245 www.startco.ca SE-330 MANUAL NEUTRAL-GROUNDING-RESISTOR MONITOR MARCH 11, 2008 REVISION 5 Copyright  2008 Startco Engineering Ltd. All rights reserved. Publication: SE-330-M Document: S95-C330-00000 Printed in Canada.
  • Page 2 Blank Page...

  • Page 3: Table Of Contents

    4.2 Network Communications ........18 Troubleshooting ........... 19 ISCLAIMER Technical Specifications ........20 Specifications are subject to change without notice. Startco 6.1 SE-330 ..............20 Engineering Ltd. is not liable for contingent or 6.2 Sensing Resistors ........... 21 consequential damages, or for expenses sustained as a result 6.3 Current Sensors............
  • Page 4 Blank Page...

  • Page 5: General

    LEVEL setting, and if NGR current is less than 5% of the 1,000 kVA on medium-voltage systems. CT rating, the SE-330 will trip on resistor fault. If the In an alarm-only system or in a tripping system without resistor-fault circuit is tripped and the neutral voltage...

  • Page 6: Operation

    12 seconds and ground-fault current is less than provided for firmware upgrades and access to SE-330 5% of the CT rating, the SE-330 will trip on resistor fault. If measured parameters. the resistor-fault circuit is tripped and the neutral voltage...

  • Page 7: Pulse-Period Adjustment

    DJUSTMENT Pulse period is the cycle time of relay K1 when the for pulsing operation and to activate PULSE-ENABLE SE-330 is configured for pulsing operation. Pulse period terminals 16 and 17. Close the switch connecting is adjustable from 1.0 to 3.0 seconds with a fixed duty terminals 16 and 17 to initiate pulsing.

  • Page 8: Frequency (S6)

    When supply voltage is applied with switch S2 set to FAIL-SAFE, the SE-330 returns to its state prior : Calibration must be performed with the SE-330 to loss of supply voltage. When supply voltage is applied...

  • Page 9: Unit Healthy Output

    3.1 SE-330 command from the communications interface. Outline and panel-cutout dimensions for the SE-330 are shown in Fig. 4. To panel mount the SE-330, insert it EEPROM-Error Trip (3 short): through the panel cutout and secure it with four 8-32 An EEPROM error has been detected.

  • Page 10: Se-330 Connection Diagram

    TERMINALS R AND G IS LIMITED TO 100 V BY INTERNAL CLAMP. SEE SECTION 3.4 FOR ISOLATED-GROUND CONNECTION. SPGA RS232 COM RELAY CONTACTS SHOWN WITH SE-330 NOTE 9 DE-ENERGIZED. OPTIONAL N.C. AVAILABLE. LOOP-POWERED CONNECTION USES TERMINALS 19 AND 20 ONLY.

  • Page 11: Se-330 Outline And Panel-Mounting Details

    92.7 (3.65) 76.2 (0.32) (3.00) NOTES: 1. DIMENSIONS IN MILLIMETRES (INCHES). 2. SE-330 SHOWN WITHOUT SWITCH ACCESS COVER. R=4.8 (0.19) MAXIMUM 4.4 (0.173) DIA 4 LOCATIONS PANEL-MOUNT CUTOUT FIGURE 4. SE-330 Outline and Panel-Mounting Details. Pub. SE-330-M, March 11, 2008.

  • Page 12: Se-330 Outline And Surface-Mounting Details

    BODY AND TIGHTEN RETAINER SCREWS. MONITOR REMOVAL LOOSEN RETAINER SCREWS, SLIDE RETAINERS AWAY FROM MONITOR BODY, AND TIGHTEN RETAINER SCREWS. BEZEL OUTLINE PULL MONITOR FORWARD. ADAPTER PANEL OUTLINE MOUNTING DETAIL FIGURE 5. SE-330 Outline and Surface-Mounting Details. Pub. SE-330-M, March 11, 2008.

  • Page 13: Sensing Resistor

    THIS CONNECTION MAY BE REMOVED FOR DIELECTRIC STRENGTH TESTING. ENSURE THAT THE JUMPER IS INSTALLED AFTER TESTING. ON REVISION 1 UNITS, SCREW IS NOT PRESENT AND ENCLOSURE IS ELECTRICALLY CONNECTED TO TERMINAL G. FIGURE 6. ER-600VC Sensing Resistor. Pub. SE-330-M, March 11, 2008.

  • Page 14: Er-5Kv Sensing Resistor

    THAT THE JUMPER IS INSTALLED (18.00) AFTER TESTING. ON REV 0 & 1 UNITS SCREW IS NOT MOUNTING DETAIL PRESENT AND BASE IS ELECTRICALLY CONNECTED TO TERMINAL G. REVISION 1, 030507 FIGURE 7. ER-5KV Sensing Resistor. Pub. SE-330-M, March 11, 2008.

  • Page 15: Er-15Kv Sensing Resistor

    2. TERMINAL-BLOCK SCREWS: NOTE 3 6-32 x 0.25. MINIMUM CLEARANCE FROM BASE 3. MOUNTING SCREWS: 305.0 (12.00) M6 OR 0.25-20. 4. USE LIQUID-TIGHT GLAND FOR TERMINAL-BLOCK-ENCLOSURE CABLE ENTRY. MOUNTING DETAIL FIGURE 8. ER-15KV Sensing Resistor. Pub. SE-330-M, March 11, 2008.

  • Page 16: Er-25Kv Sensing Resistor

    6-32 x 0.25. 3. MOUNTING SCREWS: MINIMUM CLEARANCE FROM BASE M6 OR 0.25-20. 508.0 (20.00) 4. USE LIQUID-TIGHT GLAND FOR TERMINAL-BLOCK- ENCLOSURE CABLE ENTRY. MINIMUM DISTANCE TO ADJACENT OBJECTS MOUNTING DETAIL FIGURE 9. ER-25KV Sensing Resistor. Pub. SE-330-M, March 11, 2008.

  • Page 17: Er-35Kv Sensing Resistor

    TO ADJACENT OBJECTS MOUNTING DETAIL NOTES: 1. DIMENSIONS IN MILLIMETRES (INCHES) 2. TERMINAL-BLOCK SCREWS: 6-32 x 0.25. 3. MOUNTING SCREWS: M6 OR 0.25-20. 4. USE LIQUID-TIGHT GLAND FOR TERMINAL-BLOCK-ENCLOSURE CABLE ENTRY. FIGURE 10. ER-35KV Sensing Resistor. Pub. SE-330-M, March 11, 2008.

  • Page 18: Ground-Fault Ct

    5% of the Sections 2.1.2 and 2.9. CT-primary rating. See Section 9.4. Startco sensitive Outline and mounting details for the sensitive EFCT- current sensors are designed for use at low levels and and SE-CS30-series current sensors are shown in Figs.

  • Page 19: Se-Cs30-70 Sensitive Ground-Fault Current Sensor

    SIDE NOTES: MOUNTING FOOT DIMENSIONS IN MILLIMETRES (INCHES). INSTALLATION TOOL PRESS MOUNTING FEET IN PLACE USING INSTALLATION TOOL PROVIDED (DETAIL ‘A’) MOUNTING SCREWS: M4 OR 8-32. DETAIL ‘A’ FIGURE 12. SE-CS30-70 Sensitive Ground-Fault Current Sensor. Pub. SE-330-M, March 11, 2008.

  • Page 20: Efct-26 And Se-Cs30-26 Sensitive Ground-Fault Current Sensors

    MOUNTING FOOT INSTALLATION DIMENSIONS IN MILLIMETRES (INCHES). TOOL PRESS MOUNTING FEET IN PLACE USING INSTALLATION TOOL PROVIDED (DETAIL ‘A’) MOUNTING SCREWS: M4 OR 8-32. DETAIL ‘A’ FIGURE 13. EFCT-26 and SE-CS30-26 Sensitive Ground-Fault Current Sensors. Pub. SE-330-M, March 11, 2008.

  • Page 21: Isolated Ground Connection

    An isolated ground bed can prevent a ground potential rise (GPR) from being transferred to remote equipment. NEUTRAL If the G terminals on the sensing resistor and the SE-330 are connected to an isolated ground, the SE-330 will be ER-SERIES exposed to the GPR.

  • Page 22: Pulsing Connection

    Data can be logged to a PC file at user-defined time intervals for future analysis. 4.1.2 F IRMWARE PGRADE The local ports can be used to upgrade the SE-330 firmware. Upgrade procedure: FIGURE 16. Simplified Pulsing Connection. 1) Remove supply voltage. 2) Set switch S8 to UPGRADE.

  • Page 23: Troubleshooting

    See Section 9.2 for sensing-resistor tests. Repeat the calibration procedure after the open or shorted condition has been corrected. Remote Trip The SE-330 was tripped by a signal from network communications. DIAGNOSTIC LED flash code = L-S-S-L…* Press RESET to clear the trip. EEPROM-Error Trip An error was detected in the EEPROM.

  • Page 24: Technical Specifications

    EFCT Input ......< 10 Ω UNIT HEALTHY Output K4 (Option 01): Configuration ......N.C. (Form B) Operating Mode ....... Open when Healthy Ratings........100 mA, 250 V (ac or dc) Closed Resistance ....30 Ω maximum Pub. SE-330-M, March 11, 2008.

  • Page 25: Sensing Resistors

    Shipping Weight ......300 g (0.7 lb) Window Diameter ....70 mm (2.7”) Shipping Weight ....1.2 kg (2.5 lbs) ER-5KV: Maximum Voltage....2,500 Vac Maximum Current ....125 mA Resistance......20 kΩ Thermal........Continuous Shipping Weight ......5.0 kg (11 lbs) Pub. SE-330-M, March 11, 2008.

  • Page 26: Ordering Information

    Startco Engineering Ltd. will (at Startco’s option) None repair, replace, or refund the original purchase price of an DeviceNet ® SE-330 that is determined by Startco to be defective if it PROFIBUS Ethernet is returned to the Startco factory, freight prepaid, within Supply: the warranty period.

  • Page 27: Voltage Test

    Applying the test voltage to the R and G terminals will OTE: installed. A written record of the performance test is to be damage the SE-330 and the ER sensing resistor. The V TRIP retained by those in charge of the electrical installation in LEVEL is the trip voltage at terminal N, not terminal R.

  • Page 28: Ground-Fault-Test Circuits

    SE-400 RMT1 REMOTE INPUT RMT2 b) USING SE-100T NEUTRAL TO SE-330 TO SENSING RESISTOR TERMINAL N 0.65 A 2.75 A SE-100T REMOTE TEST FIGURE 17. Ground-Fault-Test Circuits. Retain this record for the authority having jurisdiction. Pub. SE-330-M, March 11, 2008.

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