Appendix D. Hart® Communications With Intrinsic Safety; Overview - GE Masoneilan SVI II ESD Installation And Maintenance Manual

Appendix D. HART
Safety

Overview

When an SVI II ESD is installed in a hazardous area suitable wiring arrangements in addition to
safety requirements must be used, in accordance with local applicable codes and standards for
Intrinsic Safety. For choice and application of intrinsic safety barriers special training is required.
For additional information, consult MTL Instruments PLC Measurement Technology Limited.
All installations must comply with plant standards and local and international electrical codes.
There are three basic barrier types:
Single channel Zener diode barriers
Dual channel Zener diode barriers
Active galvanic isolators
To perform a successful installation with HART
filter requirements and HART
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®
Communications with Intrinsic
®
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barrier compliance.
communications you must consider HART
Masoneilan SVI II ESD Installation and Maintenance Manual
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