Related Manuals for Eaton MTL7765ac
Summarization of Contents
DECLARATION OF CONFORMITY
NOTE
Lists MTL7700 range of Shunt Diode Safety Barrier Assemblies submitted to MSHA for acceptance.
ATEX SAFETY INSTRUCTIONS
General Safety and Installation
Covers general safety, training, installation requirements, and special conditions for ATEX Directive compliance.
Inspection, Maintenance, Repair, and Marking
Details inspection/maintenance, repair policy, and compliance marking requirements.
OVERVIEW AND DESCRIPTION
Introduction to MTL7700 Range
Describes the MTL7700 range as fourth-generation intrinsically safe shunt-diode safety barriers and their applications.
ACCESSORIES FOR MTL7700 RANGE
Mounting, Tagging, Power, and Earthing Accessories
Details essential accessories for mounting, tagging, power supply, and earthing of MTL7700 barriers.
SAFETY CONSIDERATIONS
General Requirements and Safety Checks
Specifies general safety requirements, installation codes, and essential safety checklists for barrier installation.
INSTALLATION PROCEDURES
General Installation and Barrier Mounting
Covers general installation, DIN-rail length, mounting/removing barriers, and installing accessories.
Specific Accessory Installation Details
Details installation of DIN-rail earth terminals, earth rail assemblies, and tagging systems.
WIRING CONNECTIONS
General Wiring and Barrier Connections
Introduces wiring principles, barrier connections, and signal line connections.
Power, Earth, and Dummy Barrier Connections
Covers power supply, bussed power, spare cores, and plant earth connection procedures.
FAULT-FINDING
Fault Finding Introduction and Checks
Introduces fault finding, power supply checks, and barrier resistance tests.
EQUIPMENT AND BARRIER TESTS
Specialized Equipment Tests
Covers tests for thermocouple, RTD circuits, and active MTL7700 range barriers.
General Barrier Testing Procedures
Details multimeter tests, constant-current tests, and specific tests for MTL774x barriers.
TEST TABLES FOR PASSIVE BARRIERS
Barrier Test Data Summary
Presents multimeter and constant-current test data for various MTL7700 barrier types.
APPENDIX A: TYPICAL WIRING CONNECTIONS
Application-Specific Wiring Diagrams
Provides typical wiring diagrams for various MTL7700 barrier applications.
APPENDIX B: MAXIMUM CABLE PARAMETERS
Gas Group Cable Parameter Tables
Lists maximum cable capacitance, inductance, and L/R ratios for IIC and IIB gas group applications.
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