Related Manuals for Eaton MTL7787 Plus
Summarization of Contents
Declaration of Conformity and Important Notes
Note on MSHA Acceptance
Contextual information regarding MSHA acceptance and conditions for barrier installation.
ATEX Safety Instructions
General ATEX Requirements
General safety requirements for competent personnel and directive compliance.
ATEX Installation and Safe Use
Installation compliance, enclosure requirements for Zone 2, and special safe use conditions.
ATEX Inspection, Maintenance, and Repair
Guidelines for inspection, maintenance, repair, and product marking for ATEX compliance.
Overview and Product Description
Manual Scope and Publications
Manual scope, safety factors, and available publications for MTL7700 barriers.
MTL7700 Barrier Ranges
Details MTL7700 barriers for various applications, including simple and energy-storing apparatus.
MTL7700 Accessories
Lists essential mounting, tagging, power, and earthing accessories for MTL7700 barriers.
Safety Considerations and Installation
General Safety Requirements
Essential safety factors to consider when using MTL7700 barriers.
Installation Process Overview
General installation, mounting/removing barriers, and installing accessories.
DIN-Rail and Accessory Installation Details
Specifics on DIN-rail length, mounting accessories, and earth/tagging accessories.
Wiring Connections
Barrier Wiring Fundamentals
Describes barrier connections, signal line connections, power supply, and bus power.
Plant Earth and Dummy Barrier Wiring
Procedures for earthing, earth rail assembly, isolation, and dummy barrier connections.
Maintenance and Fault-Finding
Routine Maintenance and Inspection
Guidelines for routine inspection frequency and safety precautions during maintenance.
Troubleshooting Tests
Procedures for checking power supply and barrier resistance for fault diagnosis.
Equipment and Barrier Tests
Testing Specific Circuit Types
Procedures for testing thermocouple and RTD circuits using barriers.
Barrier Testing Methods
Details multimeter, constant-current, and active barrier specific test procedures.
Passive Barrier Test Data Tables
Comprehensive test tables for various passive MTL7700 barriers.
Appendix A: Typical Wiring Connection Examples
Transmitter and Analogue Input Wiring
Illustrates wiring for 2-wire transmitters, RTDs, and thermocouples.
Switch, Proximity, and Digital Output Wiring
Diagrams for switch/proximity inputs, digital outputs, and strain-gauge bridges.
Appendix B: Cable Parameter Data
Safety Description and Configuration Summary
Overview of safety descriptions and various barrier configurations.
Maximum Cable Parameters for Gas Groups
Data for maximum cable capacitance, inductance, and L/R for IIC and IIB gas groups.
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