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Siemens 2AI 2/4WIRE HF, Руководство пользователя

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Siemens 2AI 2/4WIRE HF Скачать руководство пользователя страница 11

 

Properties 

 

1.1 2AI 2/4WIRE HF analog electronic module (6ES7134-4MB02-0AB0) 

2 AI I 2/4WIRE HF analog electronic module (6ES7134-4MB02-0AB0)  
Manual, 04/2007, A5E01076111-01 

11

 

Data for selecting a sensor 

Input range (rated value)/input resistance 

 

•

 

Current 

Approx. 44 Ω 

Permitted input current (destruction limit) 

Approx. 50 mA (can be limited electronically) 

Load of the two-wire transmitter: 

Max. 750 Ω 

Smoothing of the measured values 

Yes, can be assigned parameters in 4 steps by 

means of digital filtering 

 

Step 
None 
Weak 
Medium 
Strong 

Time constant 
1 x cycle time 
4 x cycle time  
16 x cycle time 
32 x cycle time 

I&M functions 

The I&M data can be read from the module using interface modules with the following order 

numbers or firmware/product versions (or higher): 

 

Interface module 

Order number 

Firmware version 

Product version 

IM151-1 HIGH FEATURE 

6ES7151-1BA01-0AB0 

V2.0 

02 

IM151-3 PN 

6ES7151-3AA20-0AB0 

V4.0 

01 

IM151-3 PN HIGH FEATURE 

6ES7151-3AA20-0AB0 

V4.0 

01 

IM151-3 PN FO 

6ES7151-3BB21-0AB0 

V4.0 

01 

 

Содержание 2AI 2/4WIRE HF

Страница 1: ...B0 ______________ ______________ ______________ ______________ ______________ Preface Properties 1 Parameters 2 Diagnostics 3 Analog value representation 4 Connecting 5 SIMATIC ET 200S distributed I O 2 AI I 2 4WIRE HF analog electronic module 6ES7134 4MB02 0AB0 Manual 04 2007 A5E01076111 01 ...

Страница 2: ...a device system may only be performed by qualified personnel Within the context of the safety notes in this documentation qualified persons are defined as persons who are authorized to commission ground and label devices systems and circuits in accordance with established safety practices and standards Prescribed Usage Note the following WARNING This device may only be used for the applications de...

Страница 3: ...le It describes the components that are valid at the time of publication Recycling and disposal Thanks to the fact that it is low in contaminants this ET 200S module is recyclable For environmentally compliant recycling and disposal of your electronic waste please contact a company certified for the disposal of electronic waste Additional support If you have any questions relating to the products ...

Страница 4: ...9 180 5050 223 For more information about our technical support refer to our Web site at http www siemens de automation service Service Support on the Internet In addition to our documentation services you can also make use of our comprehensive online knowledge base on the Internet http www siemens com automation service support There you will find Our Newsletter which constantly provides you with...

Страница 5: ... 2 Error types 16 4 Analog value representation 17 4 1 Introduction 17 4 2 Analog value representation for measuring range with SIMATIC S7 17 4 3 Measuring ranges 18 4 4 Effect on analog value representation 20 4 4 1 Effect of the supply voltage and the operating state on analog input values 20 4 4 2 Effect of the value range on the 2 AI I 2 4WIRE HF analog input 20 5 Connecting 21 5 1 Connecting ...

Страница 6: ...Table of contents 2 AI I 2 4WIRE HF analog electronic module 6ES7134 4MB02 0AB0 6 Manual 04 2007 A5E01076111 01 ...

Страница 7: ...olated from the load voltage L Permitted common mode voltage between the channels 100 VAC Supports two wire or four wire measuring transducers Supports isochronous operation Minimum time for the isochronous DP cycle TDPmin 0 7 ms Minimum conversion time of the input modules TWEmin 0 5 ms Supports I M functions Extended temperature range from 0 to 50 C with vertical installation General terminal as...

Страница 8: ...bus freely usable up to 230 VAC For 4 wire transducer Mn Input signal Channel n Mn Input signal Channel n L Power supply for four wire measuring transducer L Return circuit for measuring transducer supply AUX1 Protective conductor terminal or potential bus freely usable up to 230 VAC Usable terminal modules Usable terminal modules for the 2 AI I 2 4WIRE HF 6ES7134 4MB02 0AB0 TM E15C26 A1 6ES7193 4...

Страница 9: ...orts isochronous operation 1 Yes Supports I M functions Yes Number of inputs 2 Cable length Shielded Max 200 m Parameter length 12 bytes Address space 4 bytes Analog value representation S5 and S7 format 1 Supported if no interference frequency suppression or smoothing is configured Voltages currents potentials Rated load voltage L from the power module 24 VDC Reverse polarity protection Yes Power...

Страница 10: ...rsion and cycle time Integration time can be assigned parameters Yes Interference frequency suppression in Hz 60 50 No Conversion time in ms per channel 17 20 0 04 Cycle time of the module in ms per module 18 21 0 5 Resolution 20 mA 15 bits sign 4 to 20 mA 15 bits Suppression of interference limits of error Noise suppression for f n x f1 0 5 f1 interference frequency Common mode interference USS S...

Страница 11: ...ng of the measured values Yes can be assigned parameters in 4 steps by means of digital filtering Step None Weak Medium Strong Time constant 1 x cycle time 4 x cycle time 16 x cycle time 32 x cycle time I M functions The I M data can be read from the module using interface modules with the following order numbers or firmware product versions or higher Interface module Order number Firmware version...

Страница 12: ...Properties 1 1 2AI 2 4WIRE HF analog electronic module 6ES7134 4MB02 0AB0 2 AI I 2 4WIRE HF analog electronic module 6ES7134 4MB02 0AB0 12 Manual 04 2007 A5E01076111 01 ...

Страница 13: ...rnal error Disable Enable Disable Module Diagnostics Overflow underflow Disable Enable Disable Module Diagnostics Wire break1 Disable Enable Disable Channel Smoothing 2 None Weak Medium Strong None Channel Type range of measurement Deactivated 4 to 20 mA 2 wire transmitter 4 to 20 mA 4 wire transmitter 20 mA 4 to 20 mA 4 wire transmitter Channel Interference frequency suppression2 Disable Enable D...

Страница 14: ...er the time constant of the filter The following diagrams show the step response with the various smoothing factors in relation to the number of module cycles 1RQH N ZHDN N PHGLXP N VWURQJ N 0RGXOH F FOHV 6WHS UHVSRQVH Interference frequency suppression The 2 AI I 2 4WIRE HF analog input module supports the setting of interference frequency suppression 50 Hz or 60 Hz on the interface module This a...

Страница 15: ...cs 3 3 1 Diagnostics using LED display LED display 1 6 Batch error red Status and error displays Event LED SF Cause Remedy On No configuration or incorrect module plugged in No load voltage present There is a diagnostic message Check the parameter assignment Check the load voltage Evaluate the diagnostics ...

Страница 16: ...he configuration align actual and set configuration Correct the parameter assignment wire break diagnostics only parameterized for the permitted measuring ranges 9D 01001 Error Internal module error diagnostic message at channel 0 applies to the entire module Replace the module 7D 00111 Upper limit exceeded Value is above the overshoot range Correct the module final controlling element tuning 8D 0...

Страница 17: ...essing 4 2 Analog value representation for measuring range with SIMATIC S7 Analog value representation With the same nominal range the digitized analog value is the same for input and output values Analog values are represented in two s complement The following table shows the analog value representation of the analog electronic modules Table 4 1 Analog value representation SIMATIC S7 format Resol...

Страница 18: ... 0 0 0 0 0 0 0 1 x x x x 12 S 8 8H S 0 0 0 0 0 0 0 0 0 0 1 x x x 13 S 4 4H S 0 0 0 0 0 0 0 0 0 0 0 1 x x 15 sign 1 1H S 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 3 Measuring ranges Introduction The following tables contain the digitized analog values for the measuring ranges of the analog input modules Since the binary representation of the analog values is always the same these tables only compare the measur...

Страница 19: ...ent of a wire break in relation to enabled diagnostics The following additional information applies to the current measuring range 4 to 20 mA Table 4 5 Measured values in the event of a wire break in relation to enabled diagnostics Measured values Format Parameter assignment1 Decimal Hexadecimal Description Wire break diagnostics enabled 32767 7FFFH Open circuit diagnostic message Wire break diagn...

Страница 20: ...le on the CPU of the DP master Process values L present 7FFFH until first conversion after startup or after assignment of parameters for the module is completed POWER ON RUN L missing 7FFFH L present Process value POWER ON STOP L missing 7FFFH L present POWER OFF L missing 4 4 2 Effect of the value range on the 2 AI I 2 4WIRE HF analog input The way electronic modules respond to analog inputs depe...

Страница 21: ...ld ground the shield of the analog cables at both ends If there are differences in potential between the cable ends an equipotential bonding current that may interfere with the analog signals will flow across the shield If this is the case you should only ground the shield at one end of the cable Analog input modules The analog input modules are electrically isolated Between the logic and backplan...

Страница 22: ...ed value is not exceeded you must take different steps depending on the whether the encoders are isolated or non isolated The steps you have to take are described in this chapter Abbreviations used The meanings of the abbreviations in the figures below are as follows M Measuring line positive M Measuring line negative M Ground connection L Rated load voltage 24 V DC UCM Potential difference betwee...

Страница 23: ... potential differences UCM static or dynamic can occur between the measuring lines M of the input channels and the reference point of the measuring circuit MANA The permitted value for UCM must not be exceeded even in environments with strong EMC interference The following schematic representation illustrates the connection of isolated measuring encoders to the optically isolated analog input modu...

Страница 24: ... value for UCM is exceeded there must be equipotential bonding conductors between the measuring points The following schematic representation illustrates the connection of non isolated measuring encoders to an optically isolated analog input module 5 4 1 2 3 0 0 0 0 0 8 0 8 8 62 P P Logic Backplane bus Ground bus Equipotential bonding conductor Non isolated measuring encoders Operating four wire t...

Страница 25: ...ollowing instructions when wiring unused channels Deactivate unused input channels when assigning parameters A deactivated channel always returns the value 7FFFH 5 3 Using the shield connection Rules To prevent interference we recommend the following for analog electronic modules Use shielded wires to the sensors and actuators Lay out the wire shields on the shield connection Connect the shield co...

Страница 26: ...Connecting 5 3 Using the shield connection 2 AI I 2 4WIRE HF analog electronic module 6ES7134 4MB02 0AB0 26 Manual 04 2007 A5E01076111 01 ...

Страница 27: ...owledge requirements 3 C Cables for analog signals 21 Connecting 21 Connecting measuring encoders to analog inputs 22 D Disposal 3 I Interference frequency suppression 14 Internet Service Support 4 Isolated measuring encoders 23 L LED display 15 M Measured value resolution 18 Measuring ranges with SIMATIC S7 17 N Non isolated measuring encoders 24 R Recycling 3 Response of the analog modules 20 Wh...

Страница 28: ...Index SIMATIC ET 200S distributed I O 2 AI I 2 4WIRE HF analog electronic module 6ES7134 4MB02 0AB0 28 Manual 04 2007 A5E01076111 01 ...

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