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Ampcontrol CSM Pty Ltd -

ABN 35 000 770 141

ECD User Manual

Rev 3 – March 2020

ECDB005R0

13/03/2020 13:12

Page

of 21

SAFETY AND OTHER WARNINGS

For safety reasons, the ECD must be installed, operated and serviced only by competent personnel. Read and understand this

instruction manual completely before installing, operating or servicing this equipment. Failure to install or operate this instrument

in accordance with the instructions contained in this manual may result in non-conformance to the conditions of certification and

create hazardous operating conditions.

WARNING!

To comply with the Conditions of Certification, ensure full serviceable life of the

product, and avoid nullifying the warranty, it is essential to exercise great care

with the installation, use and storage of the system components. Failure to

comply with the Conditions of Certification may seriously compromise the

integrity of the system and/or its components, and the consequence could be

fatal. The user must ensure that the "Conditions of Certification" outlined in the

certificate are met or the certificate (and the IS rating) will not be valid.

1.1

Safe Use of Equipment

The equipment supplied has been manufactured according to the state of the art, and designed to ensure a safe operation. The

equipment may only be used within the design parameters.
The instructions within this manual must be observed as an aid towards achieving maximum safety during operation.

The owner/user is responsible for observing the following instructions:

1.1.1

Changes to Equipment

Changes in the design and modifications to the equipment are not permitted. Unauthorised changes made to the hardware or

operating firmware will void the manufacturer's warranty, and may compromise the conditions of certification, the integrity

of the system into which it is installed and other connected equipment.

1.1.2

Equipment Knowledge

Experience with, or understanding of, this equipment is essential for the safe installation and removal of the equipment.

Therefore, in case of a question on how to safely proceed, contact Ampcontrol immediately.

1.1.3

Manual Handling

Precautions have been taken to ensure all equipment is safe to handle and free from sharp edges. However care should alwa

be taken when handling enclosures and gloves should be worn.

1.1.4

Installation

Correct operation and safety depend on the ECD and associated equipment being installed correctly. Mechanical and or

electrical installation and maintenance of plant and equipment must only be carried out by appropriately qualified personnel and

must be tested thoroughly prior to operation.

1.1.5

Operation

As safety depends on the ECD functioning correctly it is highly recommended that all safety functions of the ECD be periodically

tested to ensure correct operation.

Содержание ECD

Страница 1: ...ECD Earth Continuity Protection Relay User Manual Ex ia I 20 C Ta 65 C IECEx TSA13 0004X Part Number 166351 Revision 3 March 2020 Designed and manufactured in Australia by Ampcontrol CSM Pty Ltd ...

Страница 2: ... that follows and inform other operators CAUTION This safety alert symbol identifies important information to be read in order to ensure the correct sequence of work and to avoid damage or even destruction of the equipment and reduce any potential risk of injury or death to the personnel Supplementary information not directly affecting safety or damage to equipment Carefully read the message that ...

Страница 3: ...d and is believed to be entirely reliable with all of the necessary information included AMPCONTROL PTY LTD reserves the right to make changes to any products described herein to improve reliability function or design and reserves the right to revise this document and make changes from time to time in content hereof with no obligation to notify any persons of revisions or changes AMPCONTROL PTY LT...

Страница 4: ...2 Electrical Connections 12 5 COMMISSIONING AND CALIBRATION 14 5 1 Earth Continuity Test Series Resistance 14 5 2 Earth Continuity Test Shunt Resistance 14 5 3 Remote Start Function 14 6 AS NZS 2081 PROTECTION FUNCTION EARTH CONTINUITY 15 6 1 Series Resistance 15 6 2 Shunt Resistance 15 6 3 Remote Start 16 6 4 Latching mode 16 6 5 Manual reset procedure 16 7 OPERATION SUMMARY 17 7 1 DIP Switches C...

Страница 5: ...used within the design parameters The instructions within this manual must be observed as an aid towards achieving maximum safety during operation The owner user is responsible for observing the following instructions 1 1 1 Changes to Equipment Changes in the design and modifications to the equipment are not permitted Unauthorised changes made to the hardware or operating firmware will void the ma...

Страница 6: ... or less and an earth fault clearance time of less than 1s Alternatively a 3A external fuse rated to system voltage can be installed between the relay s pilot terminal and the pilot conductor The ECD relay must be located in a non hazardous safe area The ECD IS earth connection is critical to the IS protection and must be infallibly connected to the system earth This must be done with a minimum of...

Страница 7: ...hem especially if the wrappings are to be discarded 2 2 Inspection Equipment that is found to be damaged or has been modified away from its published specification must not be used Please contact Ampcontrol if the equipment is suspected to be different than that ordered or if it does not match the published specifications 2 3 Storage after Delivery When the equipment is not to be installed immedia...

Страница 8: ...design It is important to understand how the ECD is intended to interact with other equipment within a system For safe and reliable use it is crucial that neither the ECD s logical operation nor its signalling be compromised by incompatibilities with connected equipment 3 1 4 Modifications of any form to the ECD relay are prohibited The ECD as supplied has been designed and manufactured to comply ...

Страница 9: ...tions require the Pilot terminal to be positioned at the top while others require the Pilot terminal to be positioned at the bottom For this reason the ECD relay is supplied with a second loose label with inverted text This allows for easier identification and reading of the Relay s status when installed upside down To install apply the new label directly over the existing label Figure 1 Inverted ...

Страница 10: ...The relay contains an internal IS barrier Key Features Compact size DIN rail mounted Simple wiring and installation 6 settings for trip time 6 settings for trip level AS NZS 2081 2011 Compliant IEC 60079 Certification SIL2 Capable See appendix B Typically the ECD relay will be connected to the pilot conductor of a trailing or reeling cable With the pilot conductor terminated to earth through a dio...

Страница 11: ...m Figure 2 ECD enclosure dimensions 4 1 2 Mounting arrangement The ECD enclosure is designed be mounted on a standard 35mm DIN rail The IS connections are located at the top of the enclosure and the non IS connections power and user inputs and outputs are located at the bottom of the enclosure The fascia of the relay includes two 2 adjustable DIP switches and two 2 rotary switches for configuratio...

Страница 12: ...MINATION EARTH BAR Figure 3 ECD Typical Electrical Application The table below lists the terminal connections into the ECD relay Terminal Label Description 1 RST Reset 2 Power Supply Positive 3 Power Supply Negative 4 NC1 Relay Output Normally Closed Contact 1 5 NO1 Relay Output Normally Open Contact 1 6 COM1 Relay Output Common Contact 1 7 NO2 Relay Output Normally Open Contact 2 8 COM2 Relay Out...

Страница 13: ...ing mode after the fault has been cleared The reset input has no affect in non latching mode The Reset input should be connected to the ECD s terminal via a normally open switch with a minimum rating of the supply voltage 4 2 5 Relay Contacts The default position of the relay contacts Normally Open or Normally Closed is described on the ECD front label and Figure 3 The relay contacts will change s...

Страница 14: ...o ensure the integrity of the pilot earth loop Series resistance measurement and shunt resistance measurement 5 1 Earth Continuity Test Series Resistance The series resistance measurement can be verified by installing a resistor which is a minimum of 3Ω above the selected trip level or creating an open circuit in series with the pilot conductor and verifying that the ECD relay trips within the sel...

Страница 15: ...it the length of cable that the relay can drive 6 1 Series Resistance The ECD relay measure the series resistance of the pilot earth loop by applying a positive voltage to the pilot conductor and measuring the pilot current If the series resistance is detected to be above the user selected level the ECD de energises its output relay and the LEDs on the front panel will indicate an open circuit fau...

Страница 16: ... must be released within 15s or Start Button timed out trip will occur The start timed out fault is automatically reset once the start resistor is detected A manual reset is not required 6 4 Latching mode Latching mode can be selected via the DIP switches at the front panel When a fault occurs in latching mode the trip will be latched preventing the ECD from starting even if the fault is cleared u...

Страница 17: ...ed to be greater than this threshold 3Ω a trip will occur The allowed values for the trip level setting are 10Ω 15Ω 20Ω 25Ω 35Ω and 45Ω The shunt resistance trip level is fixed at 1 25kΩ A trip will occur if the pilot to earth resistance is detected to be below this level 7 2 2 Trip Time Selection The user can select the trip time via one of the rotary switches at the front of the unit The trip ti...

Страница 18: ... be flashing together and the measurements can no longer be trusted A power cycle is needed to reset this state If this happens repetitively please contact Ampcontrol as the unit may be damaged The ECD continuously checks the health of its internal circuitry If these checks fail the ECD will show an internal fault by flashing all LEDs and returning the relay contacts to the default position 7 5 St...

Страница 19: ...ations have been carried out to installed equipment 8 1 2 Hands On Detailed Inspections A more detailed inspection would include all of the elements of a visual inspection plus some checks that cover the integrity of connections fixtures and fittings In addition to basic visual observations more detailed integrity checks would involve Verify that equipment housings wall boxes and other mechanical ...

Страница 20: ...d the Lo is 1 or it can have the above Lo as a lumped value provided the Co is 1 Optionally the load can have the full value of Co and Lo if distributed as in a cable When Pilot Earth Line is not considered intrinsically safe Im 5 25A for 1s Environmental Conditions Temperature Range 20 C Ta 65 C Supply Voltage 24V Model 24Vdc 20 5W 48V Model 48Vdc 20 5W Relay Contacts Contacts 2 x NO 1 x NC 2 x C...

Страница 21: ...005R0 13 03 2020 13 12 Page 21 of 21 10 EQUIPMENT LIST Part Number Description 163554 ECD 24VDC IS 163555 ECD 48VDC IS Accessories 141479 P SUPPLY 24V 1A DIN MOUNT 115119 MODULE PTB PILOT TERMINATION FOR ECB D M 169732 RES 100R 5W 1 NA Normally Open Reset Button Contact Ampcontrol ...

Страница 22: ...APPENDIX A DRAWINGS ...

Страница 23: ...Ampcontrol CSM Pty Ltd ABN 35 000 770 141 ECD User Manual Rev 3 March 2020 ECDB005R0 13 03 2020 13 12 Page 2 of 2 ...

Страница 24: ...APPENDIX B APPROVALS ...

Страница 25: ...Ampcontrol CSM Pty Ltd ABN 35 000 770 141 ECD User Manual Rev 3 March 2020 ECDB005R0 13 03 2020 13 12 Page 2 of 6 ...

Страница 26: ...Ampcontrol CSM Pty Ltd ABN 35 000 770 141 ECD User Manual Rev 3 March 2020 ECDB005R0 13 03 2020 13 12 Page 3 of 6 ...

Страница 27: ...Ampcontrol CSM Pty Ltd ABN 35 000 770 141 ECD User Manual Rev 3 March 2020 ECDB005R0 13 03 2020 13 12 Page 4 of 6 ...

Страница 28: ...Ampcontrol CSM Pty Ltd ABN 35 000 770 141 ECD User Manual Rev 3 March 2020 ECDB005R0 13 03 2020 13 12 Page 5 of 6 ...

Страница 29: ...Ampcontrol CSM Pty Ltd ABN 35 000 770 141 ECD User Manual Rev 3 March 2020 ECDB005R0 13 03 2020 13 12 Page 6 of 6 ...

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