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Eaton MTL7761ac User Manual

Eaton MTL7761ac
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MTL7700 range
Shunt-diode safety barriers
September 2017
INM 7700 Rev 12
Instruction manual
MTL intrinsic safety solutions
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Eaton MTL7761ac Specifications

General IconGeneral
Operating Temperature-20 to +60 °C
MountingDIN Rail
Enclosure RatingIP20
Output4-20 mA, HART
Storage Temperature-40 to +80 °C
Humidity5 to 95% RH (non-condensing)
Power Dissipation1.2 W max
Weight150 g
CertificationsATEX, IECEx, FM, CSA

Summary

ATEX SAFETY INSTRUCTIONS

General

General safety guidelines for ATEX compliance requirements.

Installation

Installation requirements and regulations for ATEX environments.

Special Conditions for Zone 2

Specific conditions for Safe Use for Zone 2 applications.

INSTALLATION

General Installation

General installation guidelines and DIN-rail considerations.

WIRING CONNECTIONS

MAINTENANCE

FAULT-FINDING

Introduction to Fault-Finding

Introduction to fault-finding procedures and tools for barriers.

Power Supply and Resistance Checks

Procedures for checking power supply and barrier resistance.

Diode Function Tests

Testing the diode-return channels of specific barriers.

EQUIPMENT AND BARRIER TESTS

APPENDIX A: TYPICAL WIRING CONNECTIONS

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