Operating Instructions
Table Of Contents
- Table of contents
- 1 About this document
- 2 Basic safety instructions
- 3 Incoming acceptance and product identification
- 4 Installation
- 5 Electrical connection
- 6 Operation options
- 7 System integration
- 8 Commissioning
- 9 Diagnostics and troubleshooting
- 10 Maintenance
- 11 Repair
- 12 Accessories
- 13 Technical data
- 14 Operating menu and parameter description
Operating menu and parameter description iTEMP TMT72
74 Endress+Hauser
Description Use this function to select the sensor type for the sensor input.
Please observe the terminal assignment when connecting the sensors. → 15
Options A list of all the possible sensor types is provided in the "Technical data" section.→ 45
Factory setting Sensor type 1: Pt100 IEC751
Connection type
Navigation Application → Sensor → Connection type
Prerequisite An RTD sensor must be specified as the sensor type.
Description Use this function to select the connection type for the sensor.
Options 2-wire, 3-wire, 4-wire
Factory setting 4-wire
2-wire compensation
Navigation Application → Sensor → 2-wire compensation
Prerequisite An RTD sensor with a 2-wire connection type must be specified as the sensor type.
Description Use this function to specify the resistance value for two-wire compensation in RTDs.
User entry 0 to 30 Ω
Factory setting 0 Ω
Reference junction
Navigation Application → Sensor → Reference junction
Prerequisite A thermocouple (TC) sensor must be selected as the sensor type.
Description Use this function to select reference junction measurement for temperature compensation
of thermocouples (TC).
If Preset value is selected, the compensation value is specified via the RJ preset
value parameter.