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266CRH / 266CRT, 266CSH / 266CST MULTIVARIABLE PRESSURE TRANSMITTER | OI/266CXX/MODBUS-EN REV. A
Table of contents
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1
Safety .......................................................................... 4
General information and instructions .................................. 4
Warnings .................................................................................... 4
Intended use ............................................................................. 5
Improper use ............................................................................. 5
Notes on data safety ............................................................... 5
Warranty provisions ................................................................. 5
Manufacturer's address .......................................................... 5
2
Use in potentially explosive atmospheres ............. 6
Ex marking ................................................................................. 6
ATEX / IECEx ........................................................................ 6
FM (USA and Canada) ......................................................... 6
International) ............................................................................ 7
E2) and IECEx (Code E9) ..................................................... 7
E3) and IECEx (Code ER) ..................................................... 9
Canada) .................................................................................... 10
(Code ET) ............................................................................ 10
(Code ET) ............................................................................ 11
3
Design and function ................................................ 12
Components of the pressure transmitter ......................... 12
Product description ............................................................... 12
Measuring range limits and span limits ............................. 12
4
Product identification ............................................ 13
Name plate .............................................................................. 13
Scope of delivery .................................................................... 14
5
Transport and storage ............................................ 15
Inspection ................................................................................ 15
Identification .......................................................................... 15
Handling ................................................................................... 15
Storing the device .................................................................. 15
Ambient conditions .......................................................... 15
Returning devices ................................................................... 15
6
Installation ................................................................ 16
Mounting ................................................................................. 16
IP rating .............................................................................. 16
Factory settings ................................................................ 16
seals...................................................................................... 17
Mounting position .................................................................. 17
Mounting dimensions - Model 266CRx.............................. 18
Transmitter with barrel housing .................................... 18
60 mm (2 in) pipe .............................................................. 19
Mounting dimensions - Model 266CSx ............................... 21
mounting on 60 mm (2 in) pipe ...................................... 24
Installation via (optional) mounting brackets ............. 24
Opening and closing the housing ....................................... 25
Adjusting the transmitter position .................................... 25
Transmitter housing ........................................................ 25
Rotate the LCD display .................................................... 26
Connecting impulse lines ..................................................... 26
Process connections ........................................................ 27
Mounting recommendations ............................................... 27
Fill level measurement on closed tanks ........................ 29
water level) ......................................................................... 30
Temperature measurement ................................................. 30
Electrical connections ............................................................ 31
Safety instructions for electrical installation ............... 31
General ................................................................................. 31
Installing the connecting cables ..................................... 31
Cable entries ...................................................................... 32
Grounding .......................................................................... 32
Electrical connection ........................................................ 32
Electrical data for inputs and outputs .......................... 33
Connection on the device ................................................ 35
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