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TZIDC/TZIDC-200 Digital Positioner Safety Manual

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This document provides safety instructions and functional safety data for the ABB TZIDC and TZIDC-200 digital positioners, compliant with IEC 61508 for use in Safety Instrumented Systems (SIS). It covers the SIL 2 safety function, proof-testing, installation constraints, and failure data for low-demand mode applications such as emergency shutdown and tank overfill protection.

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