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Yamatake STD920 User Manual

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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 STD920 Specifications

General IconGeneral
BrandYamatake
ModelSTD920
CategoryTransmitter
LanguageEnglish

Summary

Safety and Hazardous Area Compliance

Explosion Protection Standards

Covers FM/NEC explosion-proof, dust-ignition-proof, and nonincendive apparatus requirements.

ATEX Directive Compliance

Details intrinsic safety and flameproof enclosure compliance with ATEX standards.

FM Intrinsically Safe System

Outlines installation requirements for FM intrinsically safe systems per NEC and ANSI/ISA RP 12.6.

General Precautions and Handling

About This Publication

Introduces the manual's scope, intended audience, and content for ST3000 transmitters.

General Precautions

Covers product checking, specifications, transportation, and storage environment guidelines.

Installation Procedures

Installation Environment

Specifies requirements for ambient temperature, process fluid, shock, and vibration.

Mounting ST3000 Smart Transmitter

Provides instructions for mounting transmitter models using brackets or flange connections.

Piping ST3000 Smart Transmitter

Details piping arrangements for various measurements using manifolds and process connections.

Wiring ST 3000 Smart Transmitter

Wiring instructions for regular, explosion-proof, and intrinsically-safe transmitter models.

Operation Using SFC

Connecting the SFC

Illustrates how to connect the Smart Field Communicator (SFC) to the transmitter.

Setting Tag Number and Checking Specifications

Procedure to start SFC communication and set the transmitter's tag number.

Transmitter Settings Configuration

Overview of settings configurable via SFC, including how to change them.

Maintenance and Troubleshooting

Zero Adjustment Procedures

Explains methods for zero adjustment using SFC or external mechanisms.

Saving and Restoring Transmitter Data

Procedures for saving transmitter configuration to SFC and restoring it.

Disassembly and Assembly Instructions

Instructions for safely dismounting and remounting the transmitter's case cover.

Troubleshooting Error Messages

Guides on responding to SFC error messages and self-diagnostic indicators.

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