2 TTF300 FIELD-MOUNT TEMPERATURE TRANSMITTER | OI/TTF300-EN REV. I
Table of contents
1 Safety .......................................................................... 4
General information and instructions .................................. 4
Warnings .................................................................................... 4
Intended use ............................................................................. 5
Improper use ............................................................................. 5
Warranty provisions ................................................................. 5
Cyber security disclaimer ....................................................... 5
Software downloads ............................................................... 5
Manufacturer’s address .......................................................... 5
Service address......................................................................... 5
2 Use in potentially explosive atmospheres in
accordance with ATEX and IECEx ............................ 6
Ex marking ................................................................................. 6
Transmitter .......................................................................... 6
LCD indicator ....................................................................... 7
Temperature data .................................................................... 8
Transmitter .......................................................................... 8
LCD indicator ....................................................................... 8
Electrical data ........................................................................... 8
Transmitter .......................................................................... 8
LCD indicator ....................................................................... 9
Installation instructions ........................................................ 10
ATEX / IECEx / EAC-Ex ..................................................... 10
Cable entries ...................................................................... 10
Electrical connections ...................................................... 11
Commissioning....................................................................... 16
Operating instructions .......................................................... 17
Damage to the ‘Flameproof (enclosure)– Ex d’ type of
protection ........................................................................... 17
Protection against electrostatic discharges ................ 17
Repair ....................................................................................... 17
3 Use in potentially explosive atmospheres in
accordance with cFMus, FM and CSA .................... 18
Transmitter Ex marking cFMus ........................................... 18
Transmitter Ex marking FM / CSA ...................................... 18
LCD indicator Ex marking ..................................................... 19
Installation instructions ........................................................ 20
Electrical connections ...................................................... 20
Commissioning....................................................................... 20
Operating instructions .......................................................... 20
Adverse effect on the ‘Explosionproof – XP’ type of
protection ........................................................................... 20
Protection against electrostatic discharges ................ 20
Repair ....................................................................................... 21
4 Design and function ................................................ 22
Input functionality ................................................................. 22
Sensor redundancy ........................................................... 22
Sensor drift monitoring ................................................... 24
Sensor error adjustment in accordance with Callendar-
Van Dusen ........................................................................... 24
5 Product identification ............................................. 25
Name plate .............................................................................. 25
Explosion protection marking for devices with one
type of protection ............................................................. 25
Explosion protection marking for devices with several
types of protection ........................................................... 26
6 Transport and storage ............................................ 27
Inspection ............................................................................... 27
Transporting the device ....................................................... 27
Storing the device .................................................................. 27
Ambient conditions .......................................................... 27
Returning devices .................................................................. 27
7 Installation ................................................................ 27
Ambient conditions ............................................................... 27
Mounting ................................................................................. 28
Opening and closing the housing ....................................... 28
Rotating the LCD indicator .................................................. 29
8 Electrical connections ............................................ 29
Safety instructions ................................................................ 29
Protection of the transmitter from damage caused by
highly energetic electrical interferences ........................... 30
Suitable protective measures ......................................... 30
Conductor material ............................................................... 30
Power supply cable ........................................................... 30
Cable glands ........................................................................... 30
Shielding of the sensor connecting cable .......................... 31
Recommended shielding / grounding ........................... 31
Additional examples for shielding / grounding .......... 32
Terminal assignment ............................................................ 34
Resistance thermometers (RTD) / resistors
(potentiometer) ................................................................ 34
Thermocouples / voltages and resistance
thermometers (RTD) / thermocouple combinations . 35
Terminal for sensor connection cable ............................... 36
Electrical data for inputs and outputs ............................... 37
Input - resistance thermometer / resistances ............ 37
Input - thermocouples / voltages .................................. 37
Functionality input ........................................................... 37
Output – HART® ................................................................. 38
Output – PROFIBUS PA® .................................................. 38
Output – FOUNDATION Fieldbus® ................................. 39
Power supply ..................................................................... 39
Power supply – HART® ..................................................... 39
Power supply – PROFIBUS / FOUNDATION Fieldbus . 40
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