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266CRH / 266CRT, 266CSH / 266CST MULTIVARIABLE PRESSURE TRANSMITTER | OI/266CXX/MODBUS-EN REV. A 91

Trademarks

Modbus is a registered trademark of the Modbus Organization

Garlock is a registered trademark of Garlock Sealing Technologies LLC

Galden is a Montefluos trademark

Neobee M 20 is a Stepan Company trademark

Syltherm is a Dow Chemical Company trademark

Main Page

Table of Contents2
Safety4
General Information and Instructions4
Warnings4
Intended Use5
Improper Use5
Notes on Data Safety5
Warranty Provisions5
Manufacturer's Address5
Use in Potentially Explosive Atmospheres6
Ex Marking6
ATEX / Iecex6
FM (USA and Canada)6
Ex Explosion Protection Aspects (Europe and International)7
Type of Protection: Ex D Certifications ATEX (Code E2) and Iecex (Code E9)7
Type of Protection: Ex N Certifications ATEX (Code E3) and Iecex (Code ER)9
Ex Explosion Protection Aspects (United States and Canada)10
Type of Protection: 'Explosion-Proof' Certification (Code ET)10
Type of Protection: Explosion Proof Certification11
(Code ET)11
Design and Function12
Components of the Pressure Transmitter12
Product Description12
Measuring Range Limits and Span Limits12
Product Identification13
Name Plate13
Marking According to Pressure Equipment Directive14
Scope of Delivery14
Transport and Storage15
Inspection15
Identification15
Handling15
Storing the Device15
Ambient Conditions15
Returning Devices15
Installation16
Mounting16
IP Rating16
Factory Settings16
Venting / Draining Transmitters Without Diaphragm Seals17
Mounting Position17
Mounting Dimensions - Model 266Crx18
Transmitter with Barrel Housing18
Transmitter with Barrel Housing and Mounting Bracket, for Vertical or Horizontal Mounting on 60 MM (2 In) Pipe19
Transmitter with Barrel Housing and Flat Bracket, for Vertical or Horizontal Mounting on 60 MM (2 In) Pipe20
Mounting Dimensions - Model 266Csx21
Transmitter with Barrel Housing - Horizontal Flanges21
Transmitter with Barrel Housing - Vertical Flanges22
Transmitter with Mounting Bracket, for Vertical or Horizontal Mounting on 60 MM (2 In) Pipe Pipe23
Transmitter with Flat Bracket, for Vertical or Horizontal Mounting on 60 MM (2 In) Pipe24
Installation Via (Optional) Mounting Brackets24
Opening and Closing the Housing25
Adjusting the Transmitter Position25
Transmitter Housing25
Rotate the LCD Display26
Connecting Impulse Lines26
Process Connections27
Mounting Recommendations27
Fill Level Measurement on Closed Tanks29
Fill Level Measurement on Open Tanks with Fluids29
Fill Level Measurement on the Steam Boiler (Drum Water Level)30
Temperature Measurement30
Electrical Connections31
Safety Instructions for Electrical Installation31
General31
Installing the Connecting Cables31
Cable Entries32
Grounding32
Electrical Connection32
Electrical Data for Inputs and Outputs33
Connection on the Device35
Commissioning36
Safety Instructions36
General Notes36
Zero Point Correction Following Installation36
Setting Precalibrated Devices37
Hardware Settings37
Write Protection Switch37
DIP Switches on the Secondary Electronics38
Parameterization of the Device39
Factory Settings39
Configuration Without Integrated LCD Display39
Configuration Via the LCD Indicator with the Operating Buttons (Optional)40
Configuration with the PC / Laptop42
Operation43
Safety Instructions43
Menu Navigation43
Menu Levels44
Process Display44
Activation of the Operating Menu45
Switching to the Information Level (Operator Menu)45
Error Messages on the LCD Display46
Switching to the Configuration Level (Parameterization)46
Selecting and Changing Parameters47
Entry from Table47
Overview of Parameters on the Configuration Level49
Damping and Transmission Function63
Damping63
Transmission Function63
Description of the Transition Function64
Interface Description66
Communication Parameters66
Available Units67
Modbus Register Tables69
Application of the Diagnosis Main and Main 2 Registers75
Diagnosis / Error Messages76
Calling up the Error Description76
Error States and Alarms77
Maintenance81
Safety Instructions81
General81
Measuring Cell of the Multivariable Transmitter81
Cleaning81
Repair82
Safety Instructions82
Spare Parts82
Opening and Closing the Housing82
Mounting / Dismounting the Operating Button Unit83
Mounting / Dismounting the LCD Display83
Removing / Installing the Process Flange83
Replacing the Measuring Cell84
Dismounting and Disposal85
Dismounting85
Disposal86
Specification87
Operating Limits 266Crx87
Pressure Limits87
Gauge Pressure Limits87
Static Pressure Limits87
Test Pressure87
Temperature Limits °C (°F)87
Environment87
Process87
Operating Limits 266Csx88
Pressure Limits88
Temperature Limits °C (°F)89
Environment89
Additional Documents89
Appendix90
Return Form90

ABB 266CSH - Page 91

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