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Yamatake STC929 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 STC929 Specifications

General IconGeneral
ModelSTC929
Operating Temperature-40 to 85 °C (-40 to 185 °F)
Ambient Temperature-40 to 85 °C (-40 to 185 °F)
TypeTransmitter
ManufacturerYamatake
Output4-20 mA
Power Supply12-30 VDC
Housing MaterialAluminum
Protection RatingIP67
CommunicationHART

Summary

Safety Instructions and Precautions

Explosion Protected Models - FM

Details FM explosionproof/dust-ignitionproof apparatus requirements per NEC.

Explosion Protected Models - CSA

Details CSA explosionproof/dust-ignitionproof apparatus requirements per CEC.

ATEX Directive Compliance

Intrinsic Safety Certification

Details intrinsic safety certification for ATEX directive.

Flameproof Enclosure Certification

Details flameproof enclosure certification for ATEX directive.

Intrinsic Safety System Installation

Installation requirements for FM intrinsically safe systems.

Chapter 5: Operation of the Transmitter

5-9: Zero-span Adjustment with Input Pressure

Adjusting zero and span using input pressure equivalent to the range.

5-12: External Zero and Span Adjustment (Option)

On-site zero/span adjustment without using an SFC.

Chapter 7: Maintenance and Troubleshooting

7-2: Saving and Restoring Data - Saving Data

Procedure to save transmitter data to the SFC.

7-3: Disassembly and Assembly - Before You Start

Safety precautions before dismounting/mounting transmitter covers.

7-4: Calibrating Set Range and Output Signals - Calibrating Low Limit

Procedure to calibrate the low limit value using SFC.

7-6: Troubleshooting - Error during Communications

Actions to take for error messages during communications.

7-6: Troubleshooting - Self-Diagnostic Messages

Summary of self-diagnostic messages and required actions.

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