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ABB 2600T EN Series - User Manual

ABB 2600T EN Series
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2600T EN Series
Safety Pressure Transmitters
Models 266H/N
Models 268H/N
Operating instructions
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ABB 2600T EN Series Specifications

General IconGeneral
Accuracy±0.075% of span
Process Temperature-40 to 85 °C (-40 to 185 °F)
Ambient Temperature-40 to 85 °C (-40 to 185 °F)
Power Supply10.5 to 45 V DC
Housing MaterialAluminum or Stainless Steel
TypePressure Transmitter
Output Signal4-20 mA HART, PROFIBUS PA, FOUNDATION Fieldbus
Protection RatingIP66, IP67
Measurement TypeAbsolute, gauge, differential pressure
Stability±0.1% of URL per year
Electrical ConnectionM20x1.5, 1/2-14 NPT
Process Connection1/2" NPT, 1/4" NPT
CertificationsATEX, IECEx, CSA
Communication ProtocolHART, PROFIBUS PA, FOUNDATION Fieldbus

Summary

Health and Safety

General Safety Precautions

Key points to ensure safety and avoid risks when using ABB products.

Safety Philosophy and Lifecycle Management

Safety Principles and Requirements

Covers safety philosophy, SIL classification, and information requirements for safety systems.

Functional Safety Management

Details the management of functional safety and safety planning throughout the lifecycle.

Life-Cycle Activities Overview

Installation and Commissioning

Faults Outside Functional Safety

Principle of Operation

Principle of Operation (Continued)

Installation

Mounting and General Warnings

Provides warnings for installation, including hazardous areas and mechanical stresses.

Electrical Connections

Wiring and Terminal Arrangements

Details how to make electrical connections, including terminal layouts and warnings.

Electrical Requirements

Voltage, Current Limits, and Failure Modes

Specifies operating voltage, current limits, and transmitter failure modes as per NE 43.

Commissioning and Configuration

Operating Mode Control

Explains how to enable/disable operating mode using write protect switch and HART commands.

Calibration

Calibration Methods and Preliminary Steps

Details methods for calibration and preparatory steps like setting links and connections.

Calibration Procedures

Zero and Span Adjustment

Step-by-step guide for adjusting zero and span for gauge and absolute pressure.

Zero Suppression and Elevation

Procedures for zero suppression and elevation for gauge pressure transmitters.

Pre-Startup Acceptance Test

Test Procedure and Requirements

Steps for performing the pre-startup acceptance test to validate safety functionality.

Proof Tests

Periodic Safety Testing

Procedure for annual proof testing to maintain claimed Safety Integrity Level (SIL 2).

Simple Fault Finding (HART)

Addendum: Selectable Output Functions

Selectable Output Functions (Continued)

Selectable Output Functions (Advanced)

Addendum: Ex Safety and IP Protection

Ex Safety and IP Protection (Continued)

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