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Yamatake 900 Series User Manual

Yamatake 900 Series
256 pages
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ST3000 Smart Transmitter Series 900
Electronic Differential Pressure/
Pressure Transmitter
Model : STD, STG, STA, STC,
STE, STR, STH and STU
Users Manual
CM2-STJ100-2001
First issue: Apr. 1999 Rev.3: Oct. 2003

Table of Contents

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Yamatake 900 Series Specifications

General IconGeneral
CategoryTransmitter
Operating Temperature-40 to 85°C (-40 to 185°F)
Model900 Series
Output Signal4 to 20 mA DC, HART
Power Supply10.5-42 V DC
Process Connection1/2 NPT
Enclosure RatingNEMA 4X

Summary

Safety Instructions and Precautions

Nonincendive Apparatus (FM/CSA)

Outlines installation requirements for nonincendive apparatus according to FM/CSA standards.

ATEX Directive Compliance

Explains intrinsic safety and flameproof enclosure compliance with ATEX Directive.

Intrinsically Safe Systems (FM)

Covers installation requirements for FM intrinsically safe systems per NEC and ANSI/ISA.

Transmitter Installation Procedures

Mounting the ST3000 Smart Transmitter

Explains methods for mounting transmitter models, including bracket and flange options.

Piping the ST3000 Smart Transmitter

Provides guidance on piping arrangements for various measurement types and process connections.

Wiring the ST3000 Smart Transmitter (Regular Model)

Covers wiring instructions for the regular model, including conduit pipe and grounding.

Wiring the ST3000 Smart Transmitter (Explosion-Proof)

Details special precautions and installation methods for explosion-proof transmitter wiring.

Wiring the ST3000 Smart Transmitter (Intrinsically-Safe)

Outlines special wiring precautions and system configuration for intrinsically-safe transmitters.

Transmitter Operation

SFC Connection and Preparation

Guides on connecting the SFC and performing initial preparation steps for transmitter operation.

Setting Tag Number and Checking Specifications

Details procedures for starting communications, setting tag numbers, and checking transmitter specifications.

Measurement Procedures (STD, STG, STA, STC, STE, STR, STH, STU)

Provides step-by-step procedures for various measurement types like flow rate and pressure.

Zero-point and Zero-span Adjustments

Explains how to adjust zero-point and zero-span based on actual liquid level or input pressure.

Set Range Calculations

Provides formulas and examples for calculating set ranges for liquid level measurements.

External Zero and Span Adjustment

Details on-site zero/span point adjustment without using an SFC via external mechanisms.

Operating the Smart Field Communicator (SFC)

Transmitter Maintenance and Troubleshooting

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