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Fig.6-3:

Line frequency

6.2

Operating modes

Different software-configurable operating modes can be selected:

●

Thermocouple measurement with internal terminal temperature compen-
sation (default configuration)

●

Thermocouple measurement with external terminal temperature compen-
sation

6.2.1

Measurements with internal compensation

As the thermocouple measurement with internal cold junction compensation
constitutes the standard application it is set as default.

●

With this measuring process the thermocouple is directly or indirectly via
a thermo-compensation line connected to the TM 240/A.

●

The compensation of the terminal temperature is achieved with an internal
temperature measurement sensor.

●

The measurement value is linearized and forwarded to the CPU in °C.

●

No temperature measurement sensor is connected to the sensor interface.

Information

To ensure the highest precision it is recommended to mount the TM 240/A in
a calm air environment and away from power electronics, heating and venti-
lation elements.

6.2.2

Measurement with external compensation

In case the thermocouples are extended with Cu-wires, the temperature of the
terminal point (point of comparison)

must

be measured with the temperature

measurement sensor TE 220/A.

TM 240/A, TE 220/A for KeStudio U3

Functional description

Project engineering manual V1.10

Содержание Kemro TM 220/A

Страница 1: ...Kemro TM 240 A TE 220 A for KeStudio U3 Temperature Module Project engineering manual V1 10 Translation of the original manual ...

Страница 2: ...9 10 E Mail keba keba com D KEBA GmbH Automation Leonhard Weiss Straße 40 D 73037 Göppingen Tel 49 7161 9741 0 Fax 49 7161 9741 40 E Mail keba keba com US KEBA Corp 100 West Big Beaver Road Troy MI 48084 US Tel 1 248 526 0561 Fax 1 248 526 0562 E Mail usa keba com CN Beijing Austrian KEBA Science and Technology Development Ltd Room B516 Nan Xin Cang Tower A22 Dong Si Shi Tiao Dong Cheng District B...

Страница 3: ... 2008 Safety notes techni cal data functional description stand ards declaration of conformity Chapter updated kalt 1 06 11 2008 New structuring of the project engineering manual bhm 1 07 04 2009 New module TE 220 A inserted rb 1 08 06 2009 Description of the module Technical data EC directives and standards Dec laration of conformity Chapter updated kalt 1 09 08 2010 Declaration of con formity up...

Страница 4: ......

Страница 5: ...rface SENSOR 15 4 2 1 Connection example 15 4 2 2 Cable specification 15 4 2 3 Plug specification 15 4 3 EMC and wiring guidelines 15 5 Configuration 16 5 1 Setting the K Bus address 16 6 Functional description 18 6 1 General functions for measuring temperatures with thermocouples 18 6 1 1 Principle of temperature measurements 18 6 1 2 Temperature data sampling 18 6 2 Operating modes 19 6 2 1 Meas...

Страница 6: ...ds 25 10 2 1 General procedures and safety principles 25 10 2 2 EMC guideline 25 10 2 3 Electrical safety and fire protection 25 10 2 4 Environmental and surrounding conditions 25 10 3 Standards for the American market 25 10 3 1 UL test for industrial control equipment 25 11 Declaration of conformity 26 Table of Contents TM 240 A TE 220 A for KeStudio U3 KEBA 2011 Project engineering manual V1 10 ...

Страница 7: ...pal functions of the application system analysis and troubleshooting setting options at the operating installations Service technician Basic technical training Vocational high school engineering degree or corresponding professional experience Knowledge in working mode of a PLC safety regulations working mode of machine or plant diagnosis possibilities systematic error analysis and rectification 1 ...

Страница 8: ...Notes on this document This manual is integral part of the product It is to be retained over the entire life cycle of the product and should be forwarded to any subsequent owners or users of the product 1 5 Documentation for further reading The following documents are to be observed depending on the system solution used Doc No Name Target group DE 1000868 EN 1000869 System manual Kemro automation ...

Страница 9: ...ht bodily injury CAUTION CAUTION used without the safety alert symbol indicates a potentially haz ardous situation which if not avoided may result in damage to property This symbol reminds you of the possible consequences of touching elec trostatically sensitive components Information Useful practical tips and information on the use of equipment are identified by the Information symbol They do not...

Страница 10: ...ble dam age Turn off the power supply before inserting or removing the module Other wise the module can be destroyed or undefined signal states can lead to damage of the control system Safety notes TM 240 A TE 220 A for KeStudio U3 KEBA 2011 Project engineering manual V1 10 10 ...

Страница 11: ...ront view Fig 3 1 TM 240 A Front view 1 6 Temperature inputs TI0 TI5 2 Sensor interface optional Information The type plate is stored on the module in an EEPROM and can be read out by the application TM 240 A TE 220 A for KeStudio U3 Description of the module KEBA 2011 Project engineering manual V1 10 11 ...

Страница 12: ...o Weidmüller 2 pole sw BLZF 5 08 2 SN SW 170769 4 pole sw BLZF 5 08 4 SN SW 170771 6 pole sw BLZF 5 08 6 SN SW 170773 8 pole sw BLZF 5 08 8 SN SW 170775 Information Larger terminal blocks may be used to group multiple signals The current carrying capacity of the terminal block is thus however reduced according to derating curve of the terminal block manufacturer The appropriate female connectors a...

Страница 13: ... The thermocouple type must be software configured Information A thermocouple type that is incorrectly entered in the configuration can cause measurement errors The resolution of the measuring procedure on the inputs is 14Bit Each of these inputs is equipped with sensor failure monitoring If the meas uring range is undercut a sensor failure is output All inputs are isolated against the logic and a...

Страница 14: ...nal temperature sensor may be connected in this case Information With thermo compensation lines the possible temperature measurement range can be reduced e g to 0 C to 200 C Extension using Cu wire If due to the reduced temperature measurement range or due to cost reasons a Cu wire is used instead of the thermo compensation line then a terminal temperature sensor must be inserted to avoid gross me...

Страница 15: ...st be used Max length 60 m 4 2 3 Plug specification RJ45 connector Modular 8 pole plug shielded The cable shielding must be connected plane with the shield cover of the plug An additional connection of the shield and the ground is not necessary 4 3 EMC and wiring guidelines Pay attention from the outset to careful wiring and shielding Further information See system manual TM 240 A TE 220 A for KeS...

Страница 16: ...ration tool 5 1 Setting the K Bus address The module is addressed via the address switch A maximum of 12 modules of the same type can be distinguished on one line The address switch is located on the right side underneath the lower cover the K Bus plug is located underneath the upper cover Fig 5 1 Position of the address switch 1 Address switch On leaving the factory all modules are set to address...

Страница 17: ...he address switch must remain locked at the last module in the line to protect against dirt and damage through elec trostatic discharge on contact TM 240 A TE 220 A for KeStudio U3 Configuration KEBA 2011 Project engineering manual V1 10 17 ...

Страница 18: ...ftware executes the linearization To enable evaluation of the temperature at the measuring point the tempera ture of the comparison point must be known The latter is measured by a terminal temperature sensor that is integrated into the module 6 1 2 Temperature data sampling Fig 6 2 Block diagram 1 Counters and logic The thermo voltage at the input terminals is amplified and converted into a propor...

Страница 19: ...cted to the TM 240 A The compensation of the terminal temperature is achieved with an internal temperature measurement sensor The measurement value is linearized and forwarded to the CPU in C No temperature measurement sensor is connected to the sensor interface Information To ensure the highest precision it is recommended to mount the TM 240 A in a calm air environment and away from power electro...

Страница 20: ...commended to install the terminal point in a calm air environment and away from power electronics heating and ventilation elements that the temperature measurement sensor is directly attached to the ter minal block or its immediate vicinity The thermocouple has to be attached via cable binders or adherents Maxi mum length of data cable is 60m Fig 6 4 Measurement with external compensation 1 Cu wir...

Страница 21: ...nsor failure is recognized by the firmware An appropriate message is issued to the application Information The sensor failure is either triggered by a cable break in the thermocouple line or by a measurement value less than 100 C In the case of configured thermocouples that are not connected a sensor fail ure is indicated at this input TM 240 A TE 220 A for KeStudio U3 Operating behavior KEBA 2011...

Страница 22: ...hat electrical and electronic devices including their accessories must not be disposed of in the household garbage The materials are recyclable in accordance with their labeling You can make an important contribution to protecting our environment by reusing renewing and recycling materials and old appliances Disposal TM 240 A TE 220 A for KeStudio U3 KEBA 2011 Project engineering manual V1 10 22 ...

Страница 23: ...ent process 14 Bit Thermocouple types J K L Measurement ranges Type J FE CuNi 100 C to 700 C Type K NiCr Ni 100 C to 1 000 C Type L Fe CuNi 100 C to 700 C Measurement principle Integrating Measuring time 100 ms Input resistance 10 kΩ Connections Plug in connection terminals gold plated contacts nominal cross section 1 5mm Intrinsic deviation 1 0 C max absolute measurement deviation at 25 C am bien...

Страница 24: ...tem perature sensor the error of the measurement system can be minimized to 0 5 C 9 4 Interface System bus interface Parallel bus interfaces plug in on side 9 5 Dimensions Footprint Module height 120 mm Mounting depth 100 mm Front panel width 22 5 mm Module width incl K Bus plug 32 5 mm Weight 142 g Technical data TM 240 A TE 220 A for KeStudio U3 KEBA 2011 Project engineering manual V1 10 24 ...

Страница 25: ...duct was developed for the use in industrial areas and can cause radio interference when used in residential areas 10 2 2 EMC guideline EN 61131 2 2007 Programmable controllers Part 2 10 2 3 Electrical safety and fire protection EN 61131 2 2007 Programmable controllers Part 2 10 2 4 Environmental and surrounding conditions EN 61131 2 2007 Programmable controllers Part 2 10 3 Standards for the Amer...

Страница 26: ...11 Declaration of conformity Fig 11 1 TM 240 A declaration of conformity Declaration of conformity TM 240 A TE 220 A for KeStudio U3 KEBA 2011 Project engineering manual V1 10 26 ...

Страница 27: ...Fig 11 2 TE 220 declaration of conformity TM 240 A TE 220 A for KeStudio U3 Declaration of conformity KEBA 2011 Project engineering manual V1 10 27 ...

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