266CRH / 266CRT, 266CSH / 266CST MULTIVARIABLE PRESSURE TRANSMITTER | OI/266CXX/MODBUS-EN REV. A 3
7 Commissioning ........................................................ 36
Safety instructions ................................................................. 36
General Notes ......................................................................... 36
Zero point correction following installation ..................... 36
Setting precalibrated devices ......................................... 37
Hardware settings ................................................................. 37
Write protection switch ................................................... 37
DIP switches on the secondary electronics .................. 38
Parameterization of the device ........................................... 39
Factory settings ..................................................................... 39
Configuration without integrated LCD display ................ 39
Configuration via the LCD indicator with the operating
buttons (optional) ................................................................. 40
Configuration with the PC / laptop .................................... 42
8 Operation ................................................................. 43
Safety instructions ................................................................. 43
Menu navigation ..................................................................... 43
Menu levels ............................................................................. 44
Process display ...................................................................... 44
Activation of the operating menu ..................................45
Switching to the information level (operator menu) .......45
Error messages on the LCD display ................................... 46
Switching to the configuration level
(parameterization) ................................................................ 46
Selecting and changing parameters ................................... 47
Entry from table................................................................. 47
Overview of parameters on the configuration level ....... 49
Damping and transmission function .................................. 63
Damping .............................................................................. 63
Transmission function ..................................................... 63
Description of the transition function ......................... 64
Interface description ............................................................ 66
Communication parameters .......................................... 66
Available units .................................................................... 67
Modbus register tables ................................................... 69
Application of the Diagnosis Main and Main 2
Registers ............................................................................. 75
9 Diagnosis / error messages ................................... 76
Calling up the error description .......................................... 76
Error states and alarms ........................................................ 77
10 Maintenance ............................................................. 81
Safety instructions ................................................................. 81
General ..................................................................................... 81
Measuring cell of the multivariable transmitter ............... 81
Cleaning ................................................................................... 81
11 Repair ....................................................................... 82
Safety instructions ................................................................ 82
Spare parts ............................................................................. 82
Opening and closing the housing ....................................... 82
Mounting / dismounting the operating button unit ...... 83
Mounting / dismounting the LCD display ......................... 83
Removing / installing the process flange ......................... 83
Replacing the measuring cell .......................................... 84
12 Dismounting and disposal ..................................... 85
Dismounting ........................................................................... 85
Disposal ................................................................................... 86
13 Specification ............................................................ 87
Operating limits 266CRx ...................................................... 87
Pressure limits ................................................................... 87
Gauge pressure limits ...................................................... 87
Static pressure limits ....................................................... 87
Test pressure ..................................................................... 87
Temperature limits °C (°F) .............................................. 87
Environment ...................................................................... 87
Process ............................................................................... 87
Operating limits 266CSx ...................................................... 88
Pressure limits ................................................................... 88
Temperature limits °C (°F) .............................................. 89
Environment ...................................................................... 89
14 Additional documents ............................................ 89
15 Appendix .................................................................. 90
Return form ............................................................................. 90
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