Mettler Toledo IND780 Division 2 Guide d'installation

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D2, Z2/22 Installation Guide
IND780
Weighing Terminal
Division 2, Zone 2/22 Installation Guide |
División 2, Zona 2/22 Guía de
instalación | Division 2, Zone 2/22 Installationsanleitung | Division 2,
Zone
2/22 Guide d’installation | Divisione
2, Zona 2/22 Guida all’installazione
IND780 Weighing Terminal
Essential Services for Dependable Performance of Your IND780 Weighing Terminal
Congratulations on choosing the quality and precision of METTLER TOLEDO. Proper use of your
new equipment according to this Manual and regular calibration and maintenance by our factory-
trained service team ensures dependable and accurate operation, protecting your investment.
Contact us about a service agreement tailored to your needs and budget. Further information is
available at www.mt.com/service.
There are several important ways to ensure you maximize the performance of your investment:
1.
Register your product
: We invite you to register your product at
www.mt.com/productregistration so we can contact you about enhancements, updates and
important notifications concerning your product.
2.
Contact METTLER TOLEDO for service
: The value of a measurement is proportional to its
accuracy – an out of specification scale can diminish quality, reduce profits and increase
liability. Timely service from METTLER TOLEDO will ensure accuracy and optimize uptime and
equipment life.
a.
Installation, Configuration, Integration and Training
: Our service representatives are factory-
trained, weighing equipment experts. We make certain that your weighing equipment is
ready for production in a cost effective and timely fashion and that personnel are trained for
success.
b.
Initial Calibration Documentation
: The installation environment and application
requirements are unique for every industrial scale so performance must be tested and
certified. Our calibration services and certificates document accuracy to ensure production
quality and provide a quality system record of performance.
c.
Periodic Calibration Maintenance
: A Calibration Service Agreement provides on-going
confidence in your weighing process and documentation of compliance with requirements.
We offer a variety of service plans that are scheduled to meet your needs and designed to
fit your budget.
d.
GWP
®
Verification
: A risk-based approach for managing weighing equipment allows for
control and improvement of the entire measuring process, which ensures reproducible
product quality and minimizes process costs. GWP (Good Weighing Practice), the science-
based standard for efficient life-cycle management of weighing equipment, gives clear
answers about how to specify, calibrate and ensure accuracy of weighing equipment,
independent of make or brand.
COPYRIGHT
METTLER TOLEDO
®
is a registered trademark of Mettler-Toledo, LLC. All other brand or product
names are trademarks or registered trademarks of their respective companies.
NOTICE
This document is associated with an agency-approved product. No changes to this document are
permitted without agency approval.
ORDERING INFORMATION
It is most important that the correct part number is used when ordering parts. Parts orders are
machine processed, using only the part number and quantity as shown on the order. Orders are not
edited to determine if the part number and description agree.
Copyright 2018 METTLER TOLEDO. This documentation contains proprietary information of METTLER
TOLEDO. It may not be copied in whole or in part without the express written consent of METTLER
TOLEDO.
METTLER TOLEDO reserves the right to make refinements or changes to the product or manual
without notice.
© Mettler-Toledo, LLC 2018
No part of this manual may be reproduced or transmitted in any form or by any means, electronic or
mechanical, including photocopying and recording, for any purpose without the express written
permission of METTLER TOLEDO.
U.S. Government Restricted Rights: This documentation is furnished with Restricted Rights.
Warnings and Cautions
READ this manual BEFORE operating or servicing this equipment and FOLLOW these
instructions carefully.
SAVE this manual for future reference.
DO NOT allow untrained personnel to operate, clean, inspect, maintain, service or tamper with
this equipment.
ALWAYS DISCONNECT this equipment from the power source before cleaning or performing
maintenance.
CALL METTLER TOLEDO for parts, information and accessories.
WARNING
METTLER TOLEDO ASSUMES NO RESPONSIBILITY FOR CORRECT INSTALLATION OF THIS
EQUIPMENT WITHIN A DIVISION 2 OR ZONE 2/22 AREA. THE INSTALLER MUST BE FAMILIAR
WITH ALL DIVISION 2 OR ZONE 2/22 WIRING AND INSTALLATION REQUIREMENTS.
WARNING
FOR CONTINUED PROTECTION AGAINST EXPLOSION AND ELECTRIC SHOCK, THE IND780
MUST BE GROUNDED TO PROTECTIVE EARTH. FOR HARSH UNITS, ENSURE YELLOW AND
GREEN WIRE FROM POWER SOURCE IS SECURELY CONNECTED TO PROTECTIVE EARTH.
ENSURE PROTECTIVE EARTH IS SECURELY CONNECTED TO THE PROPER CONNECTOR
POSITION ON THE PANEL MOUNT UNIT.
WARNING
THE IND780 TERMINAL IS NOT INTRINSICALLY SAFE! DO NOT USE WITHIN AREAS
CLASSIFIED AS HAZARDOUS DIVISION 1 OR ZONE 0/1 BECAUSE OF COMBUSTIBLE OR
EXPLOSIVE ATMOSPHERES. FAILURE TO COMPLY WITH THIS WARNING COULD RESULT IN
BODILY HARM AND/OR PROPERTY DAMAGE.
WARNING
DISCONNECT ALL POWER TO THIS UNIT BEFORE INSTALLING, SERVICING, CLEANING, OR
REMOVING THE FUSE. FAILURE TO DO SO COULD RESULT IN BODILY HARM AND/OR
PROPERTY DAMAGE.
WARNING
THE IND780 TERMINAL HAS BEEN CERTIFIED BY UL (U.S., CANADA, ATEX AND IECEx) WITH
A TEMPERATURE RATING OF T4 (135° C) FOR USE IN HAZARDOUS ENVIRONMENTS WHERE
THE AUTO IGNITION TEMPERATURE OF THE HAZARDOUS MATERIAL IS BELOW THIS RATING.
WARNING
IND780 TERMINALS THAT ARE NOT FACTORY-LABELED AS DIVISION 2 APPROVED OR
MARKED AS EUROPEAN CATEGORY 3 MUST NOT BE INSTALLED INTO A DIVISION 2 OR ZONE
2/22 ENVIRONMENT.
Warnings and Cautions
WARNING
IN ORDER TO INSTALL THE DIVISION 2 APPROVED IND780 TERMINAL UTILIZING THE U.S.
OR CANADIAN UL APPROVAL, METTLER TOLEDO CONTROL DRAWING 64069877 MUST BE
FOLLOWED WITHOUT EXCEPTION. IN ORDER TO INSTALL THE CATEGORY 3 MARKED IND780
TERMINAL UTILIZING THE EUROPEAN ATEX APPROVAL, THE TYPE EXAMINATION
CERTIFICATE DEMKO 07ATEX0520819X AND ALL LOCAL REGULATIONS MUST BE
FOLLOWED WITHOUT EXCEPTION. IN ORDER TO INSTALL THE IND780 TERMINAL UTILIZING
THE IECEx APPROVAL, THE CERTIFICATE OF CONFORMITY IECEx UL 10.0014X AND ALL
LOCAL REGULATIONS MUST BE FOLLOWED WITHOUT EXCEPTION. FAILURE TO DO SO
COULD RESULT IN BODILY HARM AND/OR PROPERTY DAMAGE.
WARNING
THE IND780 TERMINAL MUST BE INSTALLED AND MAINTAINED PER THE SPECIAL
CONDITIONS LISTED IN CHAPTERS 2 AND 3 OF THIS MANUAL WITHOUT EXCEPTION.
FAILURE TO DO SO COULD RESULT IN BODILY HARM AND/OR PROPERTY DAMAGE.
WARNING
IF THE KEYBOARD, DISPLAY LENS OR ENCLOSURE IS DAMAGED ON A DIVISION 2 OR ZONE
2/22 MARKED IND780 TERMINAL THAT IS USED IN A DIVISION 2 OR ZONE 2/22 AREA, THE
DEFECTIVE COMPONENT MUST BE REPAIRED IMMEDIATELY. REMOVE AC POWER
IMMEDIATELY AND DO NOT REAPPLY AC POWER UNTIL THE DISPLAY LENS, KEYBOARD OR
ENCLOSURE HAS BEEN REPAIRED OR REPLACED BY QUALIFIED SERVICE PERSONNEL.
FAILURE TO DO SO COULD RESULT IN BODILY HARM AND/OR PROPERTY DAMAGE.
WARNING
THE INTERNAL #64064718 PDX
®
OPTION (KIT NUMBER 64067252) MUST NOT BE USED IN
AN IND780 TERMINAL INSTALLED IN AN AREA CLASSIFIED AS CL I GP A,B DIVISION 2 OR
CL I ZONE 2 GP IIC IN THE UNITED STATES and CANADA. FAILURE TO COMPLY WITH THIS
WARNING COULD RESULT IN BODILY HARM AND/OR PROPERTY DAMAGE.
WARNING
THE INTERNAL #22009911 DISCRETE I/O RELAY OPTION (KIT NUMBER 64057419) MUST
NOT BE USED IN AN IND780 TERMINAL INSTALLED IN AN AREA CLASSIFIED AS DIVISION 2
OR ZONE 2/22. FAILURE TO COMPLY WITH THIS WARNING COULD RESULT IN BODILY HARM
AND/OR PROPERTY DAMAGE.
WARNING
DO NOT INSTALL, DISCONNECT OR PERFORM ANY SERVICE ON THIS EQUIPMENT BEFORE
POWER HAS BEEN SWITCHED OFF OR THE AREA HAS BEEN SECURED AS NON-HAZARDOUS
BY PERSONNEL AUTHORIZED TO DO SO BY THE RESPONSIBLE PERSON ON-SITE.
WARNING
ONLY THE COMPONENTS SPECIFIED IN THIS MANUAL CAN BE USED IN THIS TERMINAL. ALL
EQUIPMENT MUST BE INSTALLED IN ACCORDANCE WITH THE INSTALLATION INSTRUCTIONS
DETAILED IN THIS MANUAL. INCORRECT OR SUBSTITUTE COMPONENTS AND/OR DEVIATION
FROM THESE INSTRUCTIONS CAN IMPAIR THE INTRINSIC SAFETY OF THE TERMINAL AND
COULD RESULT IN BODILY INJURY AND/OR PROPERTY DAMAGE.
Disposal of Electrical and Electronic Equipment
In conformance with the European Directive 2002/96/EC on Waste Electrical and Electronic
Equipment (WEEE) this device may not be disposed of in domestic waste. This also applies
to countries outside the EU, per their specific requirements.
Please dispose of this product in accordance with local regulations at the collecting point
specified for electrical and electronic equipment.
If you have any questions, please contact the responsible authority or the distributor from
which you purchased this device.
Should this device be passed on to other parties (for private or professional use), the
content of this regulation must also be related.
Thank you for your contribution to environmental protection.
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METTLER TOLEDO IND780 Division 2 and Zone 2/22 Installation Guide
Contents
1 Introduction ................................................................................. 1-1
1.1. Hazardous Area Classification ........................................................ 1-2
1.2. Pollution Degree Specification ......................................................... 1-2
1.3. Protection Approaches ................................................................... 1-2
1.4. Product Markings .......................................................................... 1-3
1.5. Product Date Code ........................................................................ 1-6
1.6. Materials of Construction ................................................................ 1-7
1.6.1. Harsh Enclosure .................................................................................................. 1-7
1.6.2. Panel-mount Enclosure ........................................................................................ 1-7
2 Installation .................................................................................. 2-1
2.1. Review Wiring Regulations ............................................................. 2-2
2.1.1. Conduit Hub Installation ....................................................................................... 2-2
2.1.2. Incendive Signal Lines ......................................................................................... 2-3
2.1.3. Glands and Plugs ............................................................................................... 2-4
2.2. Non-Incendive or I.S. Level c Inputs and Outputs .............................. 2-4
2.2.1. Analog Load Cell Interface .................................................................................... 2-5
2.2.2. High Precision (IDNet) interface ............................................................................ 2-5
2.2.3. PDX
®
Digital Load Cell Interface ............................................................................ 2-5
2.2.4. Flow Meter Interface ............................................................................................. 2-6
2.2.5. POWERCELL MTX Load Cell Interface ..................................................................... 2-6
2.3. Incendive Inputs and Outputs ......................................................... 2-6
2.4. Discrete I/O Relay Option ............................................................... 2-7
2.5. Temperature Rating ....................................................................... 2-7
2.6. Division 2 Application Example Using Load Cells .............................. 2-7
2.7. Hazardous Area Configuration for POWERCELL PDX Load Cells ........ 2-10
2.7.1. Example Configuration ....................................................................................... 2-11
2.8. Division 2 Application Example Using POWERCELL PDX Load Cells .. 2-11
2.9. Installation Procedure .................................................................. 2-14
2.9.1. Mounting the Terminal ....................................................................................... 2-14
2.9.2. Ferrites and Option Board Cabling ....................................................................... 2-22
2.9.3. Harsh Enclosure Cable Glands and Cable Assignments ......................................... 2-23
3 Special Requirements .................................................................. 3-1
3.1. Enclosure ..................................................................................... 3-1
3.2. Areas with Different Classifications .................................................. 3-1
3.3. Replacement Parts ........................................................................ 3-2
3.4. Main Board Battery ....................................................................... 3-2
2
METTLER TOLEDO IND780 Division 2 and Zone 2/22 Installation Guide
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Contents
3.5. Special Conditions of Use ............................................................... 3-2
A Appendix / Apéndice / Anhang / Annexe / Appendice ...................... A-1
A.1. Approval Documents ..................................................................... A-1
A.1.1. United States Authorization ................................................................................... A-1
A.1.2. Canadian Authorization ........................................................................................ A-1
A.1.3. Control Drawing .................................................................................................. A-1
A.1.4. European Certificate (ATEX) .................................................................................. A-1
A.2. Documentos de aprobación ........................................................... A-2
A.2.1. Autorizacn en Estados Unidos ............................................................................ A-2
A.2.2. Autorizacn en Cana ....................................................................................... A-2
A.2.3. Diagrama de control ............................................................................................ A-2
A.2.4. Certificado Europeo (ATEX) ................................................................................... A-2
A.3. Zulassungsdokumente ................................................................... A-3
A.3.1. Genehmigung der Vereinigten Staaten .................................................................... A-3
A.3.2. Kanadische Genehmigung ................................................................................... A-3
A.3.3. Kontrollzeichnung ............................................................................................... A-3
A.3.4. Europäisches Zertifikat (ATEX) .............................................................................. A-3
A.4. Documents d’approbation .............................................................. A-4
A.4.1. Autorisation américaine ........................................................................................ A-4
A.4.2. Autorisation canadienne ....................................................................................... A-4
A.4.3. Schéma de contrôle ............................................................................................. A-4
A.4.4. Certificat européen (ATEX) .................................................................................... A-4
A.5. Documenti Autorizzazione .............................................................. A-5
A.5.1. Autorizzazione per gli Stati Uniti ............................................................................ A-5
A.5.2. Autorizzazione del Canada ................................................................................... A-5
A.5.3. Schema di controllo ............................................................................................. A-5
A.5.4. Certificazione Europea (ATEX) ............................................................................... A-5
A.6. Division 2 Control Drawing ............................................................ A-6
A.7. United States and Canadian Authorization ........................................ A-9
A.8. European Certificate (ATEX) .......................................................... A-11
A.9. IECEx Certificate .......................................................................... A-15
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METTLER TOLEDO IND780 Division 2 and Zone 2/22 Installation Guide
1 Introduction
This installation guide describes some basic concepts about Division 2 and Zone 2/22 hazardous
areas and provides guidelines for installing the UL and DEMKO approved IND780 terminal into
hazardous environments rated as Division 2 or Zone 2/22. Only IND780 terminals that are factory-
labeled as Division 2 approved or marked as Category 3 may be installed into a Division 2 or Zone
2/22 hazardous area. Refer to the next chapter for details of the data plate markings on approved
terminals. Models of the IND780 terminal that are not factory labeled for Division 2 compliance or
as Category 3 devices may not be installed into a Division 2 or Zone 2/22 environment.
WARNING
METTLER TOLEDO ASSUMES NO RESPONSIBILITY FOR CORRECT INSTALLATION OF THIS
EQUIPMENT WITHIN A DIVISION 2 OR ZONE 2/22 AREA. THE INSTALLER MUST BE FAMILIAR
WITH ALL DIVISION 2 OR ZONE 2/22 WIRING AND INSTALLATION REQUIREMENTS.
The approval by Underwriters Laboratories (UL) applies to Division 2 or Zone 2 applications that
require certification to the appropriate United States and Canadian standards (see below). The ATEX
certification applies to European Zone 2/22 applications that require certification to CENELEC
standards to the ATEX directive. UL has also issued an IECEx Certificate of Conformity to appropriate
IEC standards. These approvals may also be acceptable in other worldwide locations. Confirm with
the customer or with local authorities the acceptance of these approvals before installation.
Regardless of the installation location, all local and national wiring and installation requirements
must be followed during installation.
The IND780 is certified to the following standards:
United States
o ISA 12.12.01:2013
Canada
o CSA C22.2 NO. 213 M1987
o CSA C22.2 NO. 157-92
o CSA C22.2 NO. 13-14
ATEX
o EN60079-0:2012+A11:2013
o EN60079-11:2012
o EN60079-15:2010
o EN60079-31:2014
IECEx
o IEC60079-0:2011
o IEC60079-11:2011
o IEC60079-15:2010
o IEC60079-31:2013
1-2
METTLER TOLEDO IND780 Division 2 and Zone 2/22 Installation Guide
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Introduction
If so marked, the IND780 terminal has been approved for use in areas classified as Division 2 or
Zone 2 or Zone 22. This approval DOES NOT mean that the IND780 terminal can be used in
Division 1, Zone 0 or Zone 1 areas. Different precautions must be taken when installing equipment
into these areas. Please consult your local METTLER TOLEDO representative regarding applications
in a Division 1, Zone 0 Zone 1, Zone 20, or Zone 21 area.
WARNING
THE IND780 TERMINAL IS NOT INTRINSICALLY SAFE FOR USE WITHIN AREAS CLASSIFIED
AS HAZARDOUS DIVISION 1 OR ZONE 0/1 BECAUSE OF COMBUSTIBLE OR EXPLOSIVE
ATMOSPHERES. FAILURE TO COMPLY WITH THIS WARNING COULD RESULT IN BODILY
HARM AND/OR PROPERTY DAMAGE.
The Category 3 marking of the IND780 permits use of the IDNet version with Category 3 approved
“T-brick” versions of the High Precision base within Zone 2 and Zone 22 areas.
1.1. Hazardous Area Classification
A hazardous (explosive) area is classified as a Division 2 area when the hazard is either not
present during normal operating conditions or is present only for very short periods of time.
A hazardous (explosive) area is classified as a Zone 2 area when an explosive gas-air mixture is
either not present during normal operating conditions or is present only for very short periods of
time.
A hazardous (explosive) area is classified as a Zone 22 area when an explosive atmosphere, in
the form of a cloud of combustible dust in the air, is either not present during normal operating
conditions or is present only for very short periods of time.
The area must be classified by an agent of the customer.
1.2. Pollution Degree Specification
The terminal’s Pollution Degree is 2.
1.3. Protection Approaches
Various protection methods are used by different manufacturers for equipment located within
Division 2 or Zone 2 or 22 classified areas. METTLER TOLEDO uses intrinsically safe level c “ic”
protection method for the Analog load cell circuit and the Flow meter circuit and non-sparking “nA”
protection on other connections and the entire terminal. This means the power present is insufficient
to ignite an explosive atmosphere under normal operation conditions.
For Division 2, the protection method is non-incendive.
Other inputs and outputs to the IND780 terminal have been classified as incendive, which means
they are capable of igniting such an atmosphere if not protected. Whether an input or output is
defined as incendive or non-incendive, it must be protected accordingly. For installation in the
METTLER
TOLEDO DOES
NOT CLASSIFY
HAZARDOUS
AREAS!
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METTLER TOLEDO IND780 Division 2 and Zone 2/22 Installation Guide
United States refer to the control drawing 64069877 and the current version of the National
Electrical Code (NFPA 70, Articles 500 504) and ANSI/ISA-RP12.6 for specific requirements. For
installation in Canada refer to the control drawing 64069877 and the Canadian Electrical Code
C22.1 Section 18, Appendix F. If installed outside the US and Canada, refer to the electrical
regulations for the country of installation for specific wiring requirements.
As a general guide, if a signal is rated as non-incendive or intrinsically safe, and is connected to
another device that is non-incendive or intrinsically safe, and the non-incendive field circuit
parameters agree in the correct manner, no special protection of the wiring is required. On the
control drawings and certificates in this manual, a list of non-incendive field circuit and entity
parameters for the Analog load cell, PDX digital load cell (except for ATEX and IECEx), and Flow
meter connections of the IND780 terminal is given. These parameters include voltage, current,
power, capacitance and inductance values. Comparing these values from the IND780 terminal with
the values of other approved apparatuses (such as load cells) provides the ability to use the
IND780 terminal with METTLER TOLEDO load cells and other manufacturers’ load cells and
approved apparatuses in an approved system. This process is explained in the next chapter.
If a signal cannot be classified as non-incendive or intrinsically safe, follow the electrical
regulations for the country of installation for specific wiring requirements of incendive equipment in
a Division 2 or Zone 2/22 area. This may require conduit or special protective cabling.
WARNING
IN ORDER TO INSTALL THE DIVISION 2 MARKED IND780 TERMINAL UTILIZING THE U.S. OR
CANADIAN UL APPROVAL, METTLER TOLEDO CONTROL DRAWING 64069877 MUST BE
FOLLOWED WITHOUT EXCEPTION. IN ORDER TO INSTALL THE CATEGORY 3 MARKED IND780
TERMINAL UTILIZING THE EUROPEAN ATEX APPROVAL, THE TYPE EXAMINATION
CERTIFICATE DEMKO 07ATEX0520819X AND ALL LOCAL REGULATIONS MUST BE
FOLLOWED WITHOUT EXCEPTION. IN ORDER TO INSTALL THE IND780 TERMINAL UTILIZING
THE IECEx APPROVAL, THE CERTIFICATE OF CONFORMITY IECEx UL 10.0014X AND ALL
LOCAL REGULATIONS MUST BE FOLLOWED WITHOUT EXCEPTION. FAILURE TO DO SO
COULD RESULT IN BODILY HARM AND/OR PROPERTY DAMAGE.
1.4. Product Markings
The analog load cell versions of both enclosure types of the IND780 terminal have received
Division 2 and Zone 2/22 approvals from UL and DEMKO. Terminals ending in Y96 are approved
for use in the US and Canada; terminals ending in Z97 are approved for use in Europe.
Up to four analog load cell option cards can be installed in the IND780 terminal with the following
factory numbers (replace y with 1):
78R-yyyyxx-xxx-000 (Color Panel mount enclosure – Analog)
78J-yyyyxx-xxx-Y96 (Color Harsh enclosure – Analog, US/Canada)
78J-yyyyxx-xxx-Z97 (Color Harsh enclosure – Analog, ATEX)
The flow meter versions of both enclosure types of the IND780 terminal have received Division 2
and Zone 2/22 approvals from UL and DEMKO. One or two flow meter option cards can be
1-4
METTLER TOLEDO IND780 Division 2 and Zone 2/22 Installation Guide
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Introduction
installed in standard IND780 terminal, and up to six in IND780 Q.iMPACT terminals, with the
following factory numbers (replace y with F):
78R-yyyyyy-xxx-000 (Color Panel mount enclosureFlow Meter)
78J-yyyyyy-xxx-Y96 (Color Harsh enclosureFlow Meter, US/Canada)
78J-yyyyyy-xxx-Z97 (Color Harsh enclosure - Flow Meter, ATEX)
The High Precision IDNet versions of both enclosure types of the IND780 terminal have received
Zone 2/22 approval from UL and DEMKO. Up to four IDNet option cards can be installed in the
IND780 terminal with the following factory numbers (replace y with 4):
78R-yyyyxx-xxx-000 (Color Panel mount enclosure IDNet)
78J-yyyyxx-xxx-Y96 (Color Harsh enclosure IDNet, US/Canada)
78J-yyyyxx-xxx-Z97 (Color Harsh enclosure IDNet, ATEX)
Note that the METTLER TOLEDO High Precision IDNet bases are not approved for use within an
area rated as Division 2 or Zone 2 in the United States and Canada.
The above listed IND780 terminals and options are suitable for use in CL I GP A-D DIV 2; CL II GP
F,G DIV 2; CL III; CL I ZONE 2 GP IIC locations when installed per METTLER TOLEDO drawing
64069877. Note that not all IND780 Options are approved for all areas. The panel-mount versions
must be installed in a nationally recognized test laboratory approved, dust-tight enclosure
appropriate for the environment. All approved versions must be installed per METTLER TOLEDO
control drawing 64069877.
The PDX versions of both enclosure types of the IND780 terminal have received Division 2 and
Zone 2/22 approval from UL and DEMKO. One PDX option card can be installed in the IND780
terminal in slot 1 or 2 with the following factory numbers (replace one y with 6):
78R-yyxxxx-xxx-000 (Color Panel mount enclosure PDX)
78J-yyxxxx-xxx-Y96 (Color Harsh enclosure PDX, US/Canada)
78J-yyxxxx-xxx-Z97 (Color Harsh enclosure PDX, ATEX)
Note that the METTLER TOLEDO PDX is only approved for use within an area rated as CL I GP
C,D DIV 2; CL II GP F,G Div 2; CL III; and CL I ZONE 2 GP IIB in the United States and Canada.
WARNING
THE INTERNAL #64064718 PDX
®
OPTION (KIT NUMBER 64067252) MUST NOT BE USED IN
AN IND780 TERMINAL INSTALLED IN AN AREA CLASSIFIED AS CL I GP A,B DIVISION 2 OR
CL I ZONE 2 GP IIC IN THE UNITED STATES and CANADA. FAILURE TO COMPLY WITH THIS
WARNING COULD RESULT IN BODILY HARM AND/OR PROPERTY DAMAGE.
The above listed IND780 terminals with the PDX
option are suitable for use in CL I GP C,D DIV 2; CL
II GP F,G DIV 2; CL III; CL I ZONE 2 GP IIB locations when installed per METTLER TOLEDO drawing
64069877. The panel-mount versions must be installed in a nationally recognized test laboratory
approved, dust-tight enclosure appropriate for the environment. All approved versions must be
installed per METTLER TOLEDO control drawing 64069877.
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METTLER TOLEDO IND780 Division 2 and Zone 2/22 Installation Guide
Harsh enclosure IND780 terminals that have been approved for use in Division 2 and Zone 2/22
areas by UL will have an approval label as shown in Figure 1-2 below. Panel-mount IND780
terminals that have been approved for use in Division 2 and Zone 2/22 areas by UL will have an
approval label as shown in Figure 1-3 below.
The above listed models of the IND780 terminal have been European ATEX certified Category 3 by
DEMKO and issued a Type Examination Certificate DEMKO 07ATEX0520819X. This authorizes
METTLER TOLEDO to mark the terminal as:
Harsh:
II 3 G Ex ic nA [ic] IIB T4 Gc
II 3 D Ex tc IIIC T85°C Dc
Panel:
II 3 G Ex ic nA [ic] IIB T4 Gc
II 3 D Ex tc IIIC T85°C Dc
IND780 terminals that have been certified as European ATEX certified equipment by DEMKO will
have the data labels as shown in Figure 1-2 and Figure 1-3, below.
The above listed models of the IND780 terminal have been IECEx certified by UL and issued a
Certificate of Conformity IECEx UL 10.0014X. This authorizes METTLER TOLEDO to mark the
terminal as:
Harsh:
IECEx UL 10.0014X
Ex ic nA [ic] IIB T4 Gc
Ex tc IIIC T85°C Dc
Panel:
IECEx UL 10.0014X
Ex ic nA [ic] IIB T4 Gc
Ex tc IIIC T85°C Dc
IND780 terminals that have been certified as IECEx-certified equipment by UL will have data labels
as shown in
Figure 1-1 and Figure 1-3, below.
Figure 1-1: Harsh Enclosure Label, ATEX/IECEx
1-6
METTLER TOLEDO IND780 Division 2 and Zone 2/22 Installation Guide
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Introduction
Figure 1-2: Harsh Enclosure Label, Division 2
Figure 1-3: Panel Mount Enclosure Label, Global
1.5. Product Date Code
The product date code for the IND780 terminal can be found on the serial data plate (on the top of
both the panel-mount and harsh enclosures).
The serial number will begin with a letter and a number (for example B212000371). The letter
represents the first three digits of the year per the date code chart in Table 1-1 (the letter “B” in our
example represents “201x”) and the number is the unit’s digit of the year (the number “2” in our
example). So, “B4” decodes to the year 2014.
Table 1-1: Current and Later Date Code Formats
Date Code Year Date Code Year
A 200x F 205x
B 201x G 206x
C 202x H 207x
D 203x J 208x
E 204x K 209x
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METTLER TOLEDO IND780 Division 2 and Zone 2/22 Installation Guide
1.6. Materials of Construction
The following materials are used externally in the construction of the IND780 terminal:
1.6.1. Harsh Enclosure
Enclosure – type 304L stainless steel
Enclosure gasketsilicon rubber
Keypad overlay0.2mm polyester (PET) with hardcoating
Display lens0.7mm polycarbonate (PC) with hardcoating
Cable glands nickel plated brass (as applicable)
Cable gland plugs – polycarbonate
Power cord (US/Canada) – Extra hard usage STOW cord, no plug
Power cord (ATEX/IECEx) PVC jacket with ferrules
1.6.2. Panel-mount Enclosure
Front paneltype 304L stainless steel
Front panel gasketneoprene
Keypad overlay0.2mm polyester (PET) with hardcoating
Display lens0.7mm polycarbonate (PC) with hardcoating
1-8
METTLER TOLEDO IND780 Division 2 and Zone 2/22 Installation Guide
64063214 | 07 | 02/2018
Introduction
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Mettler Toledo IND780 Division 2 Guide d'installation

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Guide d'installation
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