ELTEX Terrabox TCB030 Operating Instructions Manual
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ELTEX Terrabox TCB030 Operating Instructions Manual

For tue30 terra-control ground monitoring system
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Operating Instructions
Terrabox TCB030
Terracompact II TCO030
for TUE30 Terra-Control Ground Monitoring System
BA-en-4003-2005

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Summary of Contents for ELTEX Terrabox TCB030

  • Page 1 Operating Instructions Terrabox TCB030 Terracompact II TCO030 for TUE30 Terra-Control Ground Monitoring System BA-en-4003-2005...
  • Page 2 BA-en-4003-2005_TUE30...

  • Page 3: Table Of Contents

    3.1 Terrabox TCB030 ........
  • Page 4 8.1 Terrabox TCB030 ........31...
  • Page 5 10 …10 Monitoring System guarantees a safe and reliable ground connection. Used in combination with the Eltex ground clamps and the cable rewinders the system provides the ultimate ground connection. The Terra-Control components monitor the connection to the bonding conductor and the contact across the ground clamps.

  • Page 6: Tue30 Terra-Control Ground Monitoring System

    2 Cable rewinder, aluminum, 601KR/AW and 601KR/DW with ground clamp (zone 1/21) 3 Cable rewinder, plastic, 601KR/KW with ground clamp (zone 1/21) 4 Ground clamp (zone 1/21) 5 Ground cable KG/BNA (zone 1/21) 6 Helix ground cable KG/BSA (zone 1/21) 7 TERRABOX TCB030 (zone 1/21) BA-en-4003-2005_TUE30...

  • Page 7: Components

    1.1 Components Terrabox TCB030 for installation in explosion hazard areas; operating voltage 24 V DC or 115/230 V AC depending on design; for connecting a clamp (two clamps for BIG-BAG grounding). Terracompact II TCO030 for mounting on a standard rail NS35 in dry control rooms;...

  • Page 8: Safety

    The active component Terracompact II TCO030 is an associated electrical device in accordance to the standards EN 60079-0 and EN 60079-11 and must be placed outside the explosion hazard area. The Terrabox TCB030 component is approved for installation in the explosion hazard area (see chapter 8 Technical specifications).

  • Page 9: Work And Operational Safety

    The manufacturers will not assume any liability and warranty if the units are used improperly or used outside the intended purpose. Modifications or changes made to the devices are not permitted. Use only original Eltex spare parts and equipment. 2.4 Work and operational safety Warning! Carefully observe the following notes and the complete chapter 2 "Safety”,...
  • Page 10 cally safe measuring circuit (see chapter 3.1.3 "Electrical connections”, page chapter 3.2.2 "Electrical connections”, page 19). • The maximum cable length in the intrinsically safe circuit must not exceed the maximum rated capacity and inductance (see Technical Specifications), see chapter 3.1.3 "Electrical connections”, page chapter 3.2.2 "Electrical connections”, page 19).

  • Page 11: Special Arrangements According To The Declaration Of Conformity

    2.5 Special arrangements according to the declaration of conformity • A potential equalization system (PA) has to be set up along the com- plete measuring circuit. • In areas in which dust is likely to cause explosive atmospheres, only appropriately certified equipment marked "D" may be connected to the measuring circuit.

  • Page 12: Assembly And Installation

    3. Assembly and installation 3.1 Terrabox TCB030 3.1.1 View of appliance Fig. 2: Terrabox TCB030 1 Cable screw connection with kink guard (Ex), (2x for BIG-BAG grounding) 2 Cable inlet 3 Blanking plug 4 Ground terminal 5 Cable inlet (3x)

  • Page 13: Assembly

    The Terrabox TCB030 is approved for assembly and installation in potentially explosive atmospheres. The system is designed for wall mounting and is attached with the mounting brackets provided.
  • Page 14 Note: The two PAL leads belong to the intrinsically safe circuit, see cable entry 2, Fig. 4 / Fig. 5. The terminals of the Terrabox TCB030 are also marked as intrinsically safe terminals (blue). This is NO protective ground link, the leads must NOT be coloured green/ yellow.
  • Page 15 Terrabox TCB030 connection example: Cable rewinder 601KR/_ with clamp 70AG/70BG Ex ia – P AL P AL ZG2 Z2 Fig. 4: Connection example: active grounding with clamp 70AG/BG via cable rewinder 601KR/_ 601KR_ Ground clamp supply lead PAL connection (2 x 1,5mm...
  • Page 16 Terrabox TCB030 connection example: BIG-BAG grounding with two clamps 70HK Ex ia – P AL P AL ZG2 Z2 Fig. 5: Connection example: BIG-BAG grounding with two clamps 70HK (without cable rewinder) 70HK 70HK Ground clamp 2 supply lead PAL connection (2 x 1,5mm...
  • Page 17 Terrabox TCB030 terminal assignment Intrinsically safe terminal block (measurement circuit) Terminal Connection - ground contact Equipotential bond Equipotential bond Clamp casing 2 (not assigned if 1 clamp only) Clamp contact 2 Clamp contact 1 Clamp casing 1 Non-intrinsically safe terminal block (contact circuit indicator...
  • Page 18 Connection to the cable rewinder b a c Fig. 6: Connection of the cable rewinder 601KR/_ Connecting diagrams of the clamps 70AG / 70AK 100 k 70BG 100 k Fig. 7: Connecting dia- 70HK grams of the clamps type 70AG, 70AK, 70BG and 70HK Wire color: a blue...

  • Page 19: Terracompact Ii Tco030

    3.2 Terracompact II TCO030 3.2.1 Assembly The Terracompact II TCO030 must be mounted outside the hazardous area. Only the intrinsically safe circuit is allowed to lead into the hazardous area. The Terracompact II TCO030 is intended for assembly on a standard rail NS35.
  • Page 20 Note: The two PAL leads belong to the intrinsically safe circuit, see connection 7 and 8, Fig. 9. The terminals of the Terrabox TCB030 are also marked as intrinsically safe terminals (blue). This is NO protective ground link, the leads must NOT be coloured green/ yellow.
  • Page 21 Terracompact II TCO030 terminal assignment Intrinsically safe terminal block (measurement circuit) Terminal Connection - ground contact 7 and 8 (PAL) Equipotential bonding of the plant (building) 9 (ZG2) Clamp casing 2 (not assigned if 1 clamp only) 10 (Z2-) Clamp contact 2 11 (Z1+) Clamp contact 1 12 (ZG1)
  • Page 22 Terracompact II TCO030 connection example: Cable rewinder 601KR/_ with clamp 70AG/70BG Connect the 601KR/_ cable rewinder to the TUE Terra-Control ground monitoring system in the terminal box of the cable rewinder (see Fig. 10). The cable rewinder must be linked permanently with the equipotential bonding lead.
  • Page 23 Terracompact II TCO030 connection example: BIG-BAG grounding with two clamps 70HK The Eltex ground clamp 70HK is cut to length and terminated at the factory. Connect the clamp to the cable leading to the TUE Terra-Control ground monitoring system via a machine coupling (IP67), see Fig. 11.

  • Page 24: Power Supply Tcon01

    3.2.3 Power supply TCON01 If no 24 V DC internal works connection is available, use the TCON01 power supply. The power supply is designed for mounting on standard rails NS35 and is capable of supplying two Terracompact II TCO030 units. –...

  • Page 25: Operation

    4. Operation Caution! Please note the type plate indicating the connection data (supply voltage) of the units. Electrical systems used in explosion hazard areas must at all times be in a technically faultless condition. Any defects must be repaired or remedied immediately.

  • Page 26: Operation With 2 Ground Contactors, Big-Baggrounding

    4.3 Operation with 2 ground contactors, BIG-BAGgrounding During operation with 2 ground contactors, it is not only the ground link of the BIG-BAG which is being monitored, but also the conductivity of the BIG-BAG. Note that both ground contactors are connected to two different grounding points of the BIG-BAG.

  • Page 27: Switching States Of The Relays In Overview (Contact Circuit Indicator Signal)

    4.4 Switching states of the relays in overview (Contact circuit indicator signal) TCB030 Relay 1 Relay 2 NC 1 COM 1 NO 1 NC 2 COM 2 NO 2 No supply voltage Contactor open Contactor closed Both relays are controlled in opposition. This allows any absent supply voltage at the Terrabox to be distinguished from the switching states during operation.

  • Page 28: Maintenance

    5. Maintenance Before carrying out maintenance or service work in the explosion hazard area, make sure that there is no potentially explosive atmosphere in the working zone. Warning! Maintenance and repair work must be carried out only by specially qualified personnel. Cables and clamps must not be damaged.

  • Page 29: Ground Clamps

    Passive clamps: Measurement of the earthing resistance between clamp jaw and ground (PAL): ground clamp 70SG or 70PG: earthing resistance: 235 kOhm, ±5 % clamping force: 140 N, ±20 % ground clamp 70OK or 70PK: earthing resistance: <1 Ohm clamping force: 100 N, ±20 % 5.2 Ground clamps To make sure that the proper ground connection exists with the equipo-...

  • Page 30: Warranty

    The warranty applies only if the operating and assembly instructions spe- cified by Eltex have been observed. The warranty period begins on the date of delivery. In the event of defects occurring during the warranty period, the units or defective components will be repaired at Eltex.

  • Page 31: Troubleshooting

    Cable break on the rewind Shorten cable and reconnect reel. (see Electrical Connections). 8. Technical specifications 8.1 Terrabox TCB030 Safety-related parameters MTTFd: [years] MTTFd: [years] (0.5 A relay load) (5 A relay load) 1 switching cycle / day 2457.2...
  • Page 32 Supply voltage* TCB030/_0: 24 (21…31) V DC, 100 mA TCB030/_1: 115 (105…125) V AC 50/60 Hz, 100 mA TCB030/_2: 230 (210…250) V AC 50/60 Hz, 50 mA maximum voltage for safety reasons U = 250 V Operating ambient temperature –20…+70°C (–4…+158°F) Storage temperature –20…+80°C (–4…+176°F) Ambient humidity...

  • Page 33: Terracompact Ii Tco030

    The device will be damaged if the maximum supply voltage is exceeded. The safety of the intrinsically safe measuring circuit is guaranteed up to the specified maximum supply voltage. The current approval with all supplements can be found on our service site at http://service.eltex.de. BA-en-4003-2005_TUE30...

  • Page 34: Power Supply Tcon01

    8.3 Power supply TCON01 Input voltage 85…265 V AC 50/60 Hz Output voltage 24 V DC Output current max. 0.2 A Operating ambient temperature 0…+60°C (+32…+140°F) Storage temperature –20…+85°C (–4…+185°F) Ambient humidity max. 70 % r.h., non-dewing Enclosure/Mounting standard Enclosure, on standard rail NS35 Protection class IP20 Dimensions...

  • Page 35: Dimensions

    9. Dimensions max. 23 Terrabox Fig. 14: Dimension Terrabox TCB030 10 11 12 PAL ZG2 Z2 input Ex i Terracompact II N.O. COM N.C. 24V DC ±10% – Fig. 15: Dimension Terracompact II TCO030 BA-en-4003-2005_TUE30...
  • Page 36 – Fig. 16: Dimension power supply TCON01 (Deep: 107 mm) BA-en-4003-2005_TUE30...

  • Page 37: Accessories And Spare Parts

    10. Accessories and spare parts Article Article No. Power supply for max. 2 TCO030, 100…240 V AC TCON01 Indicator light actuator, white with fixing nut (for TCB030) 102670 Cable screw connection with kink guard Ex e, M20 x 1.5, black, without fixing nut (for TCB030) 102671 Cable screw connection Ex e, M20 x 1.5, black, without fixing nut (for TCB030)
  • Page 38 Article Article No. Cable rewinder, aluminum, with 2.5 m connecting lead and max. 20 meters ground cable with IP67 coupling socket to connect ground clamps with plugs 601KR/AW Cable rewinder, aluminum, with 2.5 m connecting lead and max. 12 meters ground cable with IP67 coupling socket to connect ground clamps with plugs 601KR/DW Cable rewinder, plastic, with 2.5 m connecting lead and max.

  • Page 39: Annex

    I ≤ 250 mA power: ≤ 650 mW The following Eltex clamps have been specially tested for the potentially explosive zone and carry the EC-Type Examination Certificate DMT00ATEXE068X and BVS 20 ATEX E 017 X: • Clamps Type TERRA-C/_ _ •...

  • Page 40: Grounding Without Ground Monitoring Unit (Passive Grounding)

    Instead, they can be internally certified under the conformity evaluation procedure. This is done by Eltex, and Eltex confirm with the declaration of conformity that the units comply with the appropriate directives, norms and standards.

  • Page 41: Overview

    Clamps TERRA-C- BVS 20.0012 X Type TERRA-C/SO, IECEx_BVS_20001x_ TERRA-C/SL, TERRA-C/BO, en.pdf TERRA-C/BL IECEx Clamps 70** 601KR+Zangen 70- BVS 16.0016X Cable rewinders 601KR/*W IECEx_BVS_160016x _en.pdf The current approval with all supplements can be found on our service site at http://service.eltex.de. BA-en-4003-2005_TUE30...
  • Page 44 Eltex offices and agencies The addresses of all Eltex agencies can be found on our website at www.eltex.de Eltex-Elektrostatik-Gesellschaft mbH Blauenstraße 67-69 79576 Weil am Rhein | Germany Phone +49 (0) 7621 7905-422 eMail info@eltex.de Internet www.eltex.de...

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Terracompact ii tco030

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