ABB TTH300 Operating Instruction page 2

2 TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. G
Table of contents
1 Safety ........................................................................ 5
General information and instructions ................................. 5
Warnings .................................................................................. 5
Intended use ............................................................................ 6
Improper use ........................................................................... 6
Warranty provisions ............................................................... 6
Notes on data safety .............................................................. 6
Manufacturer's address ......................................................... 6
2 Use in potentially explosive atmospheres in
accordance with ATEX and IECEx ............................ 7
Ex marking ............................................................................... 7
Transmitter ......................................................................... 7
LCD indicator ...................................................................... 7
Temperature data .................................................................. 8
Transmitter ......................................................................... 8
LCD indicator ...................................................................... 8
Electrical data ......................................................................... 8
Transmitter ......................................................................... 8
LCD indicator ...................................................................... 9
Installation instructions ........................................................ 9
ATEX / IECEx ....................................................................... 9
IP protection rating of housing ....................................... 9
Electrical connections ..................................................... 10
Commissioning ..................................................................... 12
Operating instructions ........................................................ 12
Protection against electrostatic discharges ............... 12
3 Use in potentially explosive atmospheres in
accordance with FM and CSA ................................. 13
Ex marking ............................................................................. 13
Transmitter ....................................................................... 13
LCD indicator .................................................................... 13
Installation instructions ...................................................... 14
FM / CSA ........................................................................... 14
IP protection rating of housing ..................................... 14
Electrical connections ..................................................... 14
Commissioning ..................................................................... 14
Operating instructions ........................................................ 14
Protection against electrostatic discharges ............... 14
4 Design and function ................................................ 15
Input functionality ................................................................ 15
Sensor Redundancy ......................................................... 15
Sensor drift monitoring .................................................. 17
Sensor error adjustment in accordance with Callendar-
Van Dusen ......................................................................... 17
5 Product identification ............................................18
Name plate ............................................................................ 18
6 Transport and storage ........................................... 19
Inspection ..............................................................................19
Transporting the device .......................................................19
Storing the device .................................................................19
Ambient conditions .........................................................19
Returning devices .................................................................19
7 Installation ............................................................... 19
Ambient conditions ..............................................................19
Ambient temperature ......................................................19
Transport- / Storage temperature ................................19
Climate class in accordance with DIN EN 60654-1 ......19
Max. permissible humidity in accordance with
IEC 60068-2-30 .................................................................19
Vibration resistance in accordance with IEC 60068-2-6
............................................................................................19
Shock resistance in accordance with IEC 60068-2-27 .19
IP rating .............................................................................19
Installation options ............................................................. 20
Installation on the measuring inset .............................. 20
Installation in the cover of the connection head ........ 20
Installation on the top-hat rail ...................................... 20
Installing / removing the optional LCD indicator ............ 21
Disassembling the LCD indicator .................................. 21
Installing the LCD indicator ............................................ 21
Rotating the LCD indicator ............................................. 21
8 Electrical connections ............................................ 21
Safety instructions ............................................................... 21
Protection of the transmitter from damage caused by
highly energetic electric interferences ............................. 22
Suited protective measures........................................... 22
Conductor material.............................................................. 22
Terminal assignment ........................................................... 23
Resistance thermometers (RTD) / resistors
(potentiometer)............................................................... 23
Thermocouples / voltages and resistance
thermometer (RTD) / thermocouple combinations... 24
Electrical data for inputs and outputs .............................. 25
Input - resistance thermometer / resistances ............ 25
Resistance thermometer ............................................... 25
Resistance measurement............................................... 25
Sensor connection type .................................................. 25
Connection lead............................................................... 25
Measurement current ..................................................... 25
Sensor short circuit ......................................................... 25
Sensor wire break ............................................................ 25
Detection of sensor wire break in accordance with
NE 89 in all lines ............................................................... 25
Sensor error signaling .................................................... 25