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- Page 1 Digital Temperature Transmitter Operating Manual DTT- Digital Temperature Transmitter Justus-von-Liebig-Straße 24 TEL.: (+49) 05032-9672-111 31535 Neustadt - DEUTSCHLAND FAX: (+49) 05032-9672-199 E-MAIL: info@mueller-ie.com DTT-M Digital Temperature Transmitter Page-1...
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Page 2: Table Of Contents
Electrical Connection Information Tools Auxiliary Power Maximum Values Load Wiring Terminals Assignment Configuration Troubleshooting Maintenance, Dismounting, Return, Cleaning, Disposal Technical Data Dimensions Accessories 11.1 Available Accessories 11.2 Connection Programming Unit 11.3 Configsoft DT 11.4 Software Configuration Digital Temperature Transmitter Page-2 DTT-M... -
Page 3: General (Information, Signs And Abbreviations)
- Skilled personnel must have carefully read and understood the operating instructions prior to beginning a ny work. -The operating instructions are part of the product and must be kept in the immediate vicinity of the DTT and readily accessible to skilled personnel at any time. -
Page 4: Safety Instructions
- Keep unqualified personnel away from hazardous areas. For installation and start-up of the DTT the personnel has to be familiar with the relevant regulations and directives of the country and must have the required qualification. They must have knowledge of measurement and control technology, have to be acquainted with electric circuits, are capable of carrying out the work described and can independently recognise potential hazards. - Page 5 The operatoring body is obliged to maintain the product label in a legible condition. The responsibility for classification of zones lies with the operatoring body and not the manufacturer/supplier of the equipment. Digital Temperature Transmitter Page-5 DTT-M...
- Page 6 Safety Instructions (Continued) 3.5 Ex-Marking and Approval Please make sure to read the operating manual before mounting and start-up of the DTT-transmitter! Danger! Danger to life caused by loss of explosion protection Non-compliance with these instructions and their contents can lead to loss of explosion protection.
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Page 7: Start-Up, Operation
Start-Up, Operation Function The digital temperature transmitter DTT is a universal measuring transmitter for resistance thermometers and potentiometers. It is configurable via PC. The device transforms resistance values or relations (potentiometer) into a proportional current signal. At the same time the sensors are constantly tested to ensure faultless operation. -
Page 8: Mounting
Working in flammable atmospheres can cause explosion hazards, which may lead to death. Gefahr - Conduct set-up work only in areas without explosion hazards! - In areas with explosion hazards only use DTT-transmitters approved for this specific type of hazardous area. Please comply with the approval on the product label! - Check the delivery immediately for completeness and obvious faults. - Page 9 Transmitters with ia-marking may also be used in supply circuits of type ib with the same connection parameters. With this, the entire measuring circuit (including the sensor circuit) is an ib circuit. DTT transmitters which were operated with supply circuits of type ib may not be re-used with supply circuits of type ia.
- Page 10 - Install DTT head version only in grounded thermometer-heads! - The connection of a thermocouple (e. g. type K) to the DTT rail version is made with shielded wiring. - The shielding has to be bonded with the casing of the grounded thermometer.
- Page 11 This is especially important when the EMC-requirements are combined with long leads to the sensor. See illustrations on this page. The DTT rail version and long lead lengths over 30 m make a shielded wire mandatory. Grounding DTT Rail Version Shielded...
- Page 12 When mounting a connection head inside the cover, use suitable screws and matching washers. Mounting with Top Hat Rail Adapter A mechanical adapter is available as accessory. It can be used to fasten DTT head version transmitters to a top hat rail. (See chapter 11, Accessories) 4.4.4...
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Page 13: Electrical Connection
- The bonded wires have to be connected properly. Please control the connections, only properly connected wires can guarantee full functionality. The DTT transmitter is protection class 3 equipment for the connection to low voltages which are separated from supply voltage or voltages higher than AC 50 V, respectively DC 120 V. -
Page 14: Auxiliary Power
Electrical Connection (Continued) Auxiliary Power Auxiliary Power, 4...20 mA Current Loop The DTT is a 2-wire powered digital temperature-transmitter and can, depending on version, be supplied with different auxiliary power. Recommendation when using stranded wires: - Please use crimp contacts. -
Page 15: Wiring Terminals Assignment
- + Connection Programming Unit Thermocouples It is possible to connect a thermocouple in 2-wire connection. The transmitter DTT will always use its internal cold junction. Safety-related parameters for the connection of voltage supply and sensors can be found in chapter Technical Data, p. -
Page 16: Configuration
- Please write down any modifications of your configuration on the product label! Use a water-resistant fibre-tip pen. To configure the DTT a simulation of the input value is not necessary. Only for the functional test do you need to simulate the sensor. -
Page 17: Troubleshooting
- Do not use any pointed or hard objects for cleaning to prevent damage to the electrical contacts. - Verify in advance if the right voltage supply and the right type of wiring has been chosen. - For contact data, see data sheet DTT or cover/backside. Note: In case of unjustified reclamation an additional charge is possible. - Page 18 Capacitive or inductive Electromagnetic Current value is unstable and coupling via the current changes within seconds interferences loop Current value is okay at low values, but too low at higher temperatures Load too high Digital Temperature Transmitter Page-18 DTT-M...
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Page 19: Maintenance, Dismounting, Return, Cleaning, Disposal
Dispose device components and packaging materials in accordance with the respective waste treatment and disposal regulations of the region or country to which the DTT temperature transmitter is supplied. Collect electrical and electronic parts separately. Separate metals and plastics. Dispose of printed circuit board assemblies professionally. -
Page 20: Technical Data
Min. measuring span: 50 K Type L (GOST R 8.585 - 2001) Max. configurable range: -200...+800 °C Min. measuring span: 50 K Version (for all options): 2-wire Norm: IEC 60584-1 DIN 43710 (only type L) Digital Temperature Transmitter DTT-M Page-20... - Page 21 DIN EN 61326-2-3:2013 NAMUR NE21:2012, GL 2012 VI Teil 7 CE-conformity: EMC-directive: 2014/30/EU EN 61326: Emission (group 1, class B) Noise immunity for the industrial sector RoHS-directive: 2011/65/EU ATEX / IECEx: 2014/34/EU hazardous areas (option) Digital Temperature Transmitter Page-21 DTT-M...
- Page 22 DIN EN 60770, NAMUR NE145 Special case NE145 Electromagnetic interference by high frequency electromagnetic fields. Frequency range: 80...400 MHz: Up to 0,8 % deviation from span Transient impact: Burst, surge, ESD: 1,5 % deviation from span Digital Temperature Transmitter DTT-M Page-22...
- Page 23 550 °C > 0 °C -> 0,6 K + 0,06% * value 0,6 K + (0,06% * 550 °C) Input temperature coefficient: ±0,4 K 45 °C - 26 °C = 9 K -> 2 * 10 K Output: ±0,27 K 0,045% * 600 K Digital Temperature Transmitter DTT-M Page-23...
- Page 24 1...60 s (variable configuration) Typical measurement rate: 8/s measured value update Monitoring: Sensor break monitoring: Configurable, standard: downscale Trailing pointer: Stores max. environmental temperature (reset impossible) Measurement range monitoring: Over- / underflow configurable (standard: deactivated) Digital Temperature Transmitter DTT-M Page-24...
- Page 25 Technical Data (Continued) Intrinsically Safety Power Ratings for the Current Loop (4...20 mA) Protection level Ex ia IIC/IIB/IIA, Ex ia IIIC DTT DYXXXXX01 DTT DYXXXXX01 Parameters Gas-Ex-Application Dust-Ex-Application Terminals + / - + / - Voltage U DC 30 V...
- Page 26 -40 °C ≤ T ≤ +40 °C N / A (not applicable) 750 mW -40 °C ≤ T ≤ +75 °C N / A 650 mW -40 °C ≤ T ≤ +85 °C N / A 550 mW Digital Temperature Transmitter DTT-M Page-26...
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Page 27: Dimensions
Best.-No.: 013-00514-99 Configuration software DT Configsoft A configuration software is available for the temperature transmitter DTT. If a DTT is connected to a PC or notebook via programming unit, the software can be used to set the transmitter. See chapter 11.3 and 11.4 for more information about DT Configsoft and for configuration instructions. -
Page 28: Connection Programming Unit
Configuration Software DT Configsoft The configuration software DT Configsoft receives regular updates and is regularly adapted to the firmware- expansions of the DTT temperature transmitter. With this, full access to all functions and parameters of the transmitter is always ensured. -
Page 29: Software Configuration
- After software start, the language can be changed by selecting the corresponding country flag. - The COM-port selection is automatic. - Use the programming unit to connect a DTT-transmitter to the PC using an USB-interface. - Click on the start-button to load the configuration interface. - Page 30 Under this section an error message will be displayed if the transmitter detects an error. Examples: - Sensor break - Permitted maximum temperature exceeded - etc. During normal operation, the message No fault - No maintenance required will be displayed here. Digital Temperature Transmitter DTT-M Page-30...
- Page 31 5. Activate write protection -> Optional All following devices 1. Load instrument data 2. Cancel write protection -> Optional 3. Change of desired parameters -> Optional 4. Write to instrument 5. Activate write protection -> Optional Digital Temperature Transmitter DTT-M Page-31...
- Page 32 Justus-von-Liebig-Straße 24 TEL.: (+49) 05032-9672-111 31535 Neustadt - DEUTSCHLAND FAX: (+49) 05032-9672-199 E-MAIL: info@mueller-ie.com Revision 43-066 Subject to change, version 43-066 Digital Temperature Transmitter DTT-M Page-32...
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