
2 TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E
Table of contents
Change from one to two columns
1Safety..........................................................................4
General information and instructions..................................4
Warnings....................................................................................4
Intended use .............................................................................5
Improper use.............................................................................5
Warranty provisions.................................................................5
Notes on data safety ...............................................................5
Manufacturer’s address..........................................................5
2Use in potentially explosive atmospheres in
accordance with ATEX and IECEx ............................6
Ex marking.................................................................................6
Transmitter ..........................................................................6
LCD indicator .......................................................................6
Temperature data .................................................................... 7
Transmitter .......................................................................... 7
LCD indicator ....................................................................... 7
Electrical data ........................................................................... 7
Transmitter .......................................................................... 7
LCD indicator ....................................................................... 7
Installation instructions..........................................................8
ATEX / IECEx ........................................................................8
IP protection rating of housing ........................................8
Electrical connections ........................................................8
Grounding.............................................................................8
Intrinsic safety installation check ....................................8
Installation in a potentially explosive atmosphere .......9
Commissioning....................................................................... 11
Operating instructions.......................................................... 11
Protection against electrostatic discharges................ 11
3Use in potentially explosive atmospheres in
accordance with FM and CSA ................................. 12
Ex marking............................................................................... 12
Transmitter ........................................................................ 12
LCD indicator ..................................................................... 12
Installation instructions........................................................ 13
FM / CSA ............................................................................. 13
IP protection rating of housing ...................................... 13
Electrical connections ...................................................... 13
Commissioning.......................................................................14
Operating instructions..........................................................14
Protection against electrostatic discharges................14
4Design and function ................................................ 15
Input functionality ................................................................. 15
Sensor Redundancy .......................................................... 15
Sensor drift monitoring ................................................... 15
Sensor error adjustment in accordance with Callendar-
Van Dusen ........................................................................... 16
5Product identification ............................................ 16
Name plate ..............................................................................16
6Transport and storage ............................................17
Inspection ................................................................................17
Transporting the device ........................................................17
Storing the device...................................................................17
Ambient conditions...........................................................17
Returning devices ...................................................................17
7Installation................................................................18
Ambient conditions............................................................... 18
Installation options ............................................................... 18
Installation on the measuring inset............................... 18
Installation in the cover of the connection head ........ 19
Installation on the top-hat rail........................................ 19
Installing / removing the optional LCD indicator............ 19
Disassembling the LCD indicator .................................. 19
Installing the LCD indicator ............................................ 19
Rotating the LCD indicator ............................................. 19
8Electrical connections ............................................ 20
Safety instructions ................................................................ 20
Protection of the transmitter from damage caused by
highly energetic electric interferences .............................. 20
Suited protective measures.............................................21
Conductor material ................................................................21
Pin assignment....................................................................... 22
Resistance thermometers (RTD) / resistors
(potentiometer) ................................................................ 22
Thermocouples / voltages and resistance
thermometer (RTD) / thermocouple combinations... 23
Electrical data for inputs and outputs............................... 24
Input - resistance thermometer / resistances ............ 24
Input - thermocouples / voltages.................................. 24
Functionality input ........................................................... 24
Output – HART®................................................................. 25
Output – PROFIBUS PA® .................................................. 25
Output – FOUNDATION Fieldbus® ................................. 26
Power supply ..................................................................... 26
9MID Certification..................................................... 28
TTH300 with MID Certification ........................................... 28
General................................................................................ 28
Areas of application, conditions and requirements... 28
Installation and Operation .............................................. 28