22.3 AT4222 - Kabona Webbutik
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1. 00 No error 01 Below lower limit value 10 Above upper limit value 11 Wire break 2 3 Channel 2 00 No error 01 Below lower limit value 10 Above upper limit value 11 Wire break 4 5 Channel 3 00 No error 01 Below lower limit value 10 Above upper limit value 11 Wire break 6 7 Channel 4 00 No error 01 Below lower limit value 10 Above upper limit value 11 Wire break In addition to the status info the error type also sets the analog value to the following values Error type Temperature measurement Resistance measurement Digital value for error Digital value for error Wire break 32767 7FFF 65535 FFFF Above upper limit value 32767 7FFF 65535 FFFF Below lower limit value 0 0000 Invalid value 32767 8001 32768 8000 65535 FFFF 866 X20 System User s Manual V 2 10 X20 module Temperature modules AT4222 22 3 17 lOCyclicCounter The cyclic counter increases after all input data have been updated 22 3 18 B amp R ID code Code for module identification 1BA7 22 3 19 Minimum cycle time The minimum cycle time is the minimum time needed for the bus cycle to be shut down without a communication error or malfunction occurring It should be noted that very fast cycles reduce the idle time needed for handling monitoring diagnostics and acyclic commands Mi2. 4 X20 module X20 module Temperature modules AT4222 22 3 9 Analog inputs The converted analog values are output by the module in the registers Different resistance or temperature measurements will result in different value ranges and data types 22 3 10 Timing setting The timing setting for data acquisition is made using the converter hardware All switched on inputs are converted during each conversion cycle 22 3 11 Conversion time The conversion time for the channels depends on their use For the formulas listed in the table n corresponds to the number of channels that are switched on Channel uses Conversion time 1 channel 1 FilterTime n channels with the same sensor type n 20ms FilterTime n channels with different sensor types n 20ms 2 FilterTime 22 3 12 Reduced refresh time If an input is not necessary it can be switched off thereby reducing the refresh time Inputs can also be only temporarily switched off Calculating the time saved The amount of time saved can be calculated with the following formula And n corresponds to the number of inputs that are switched off TimeSaved n 20ms FilterTime Examples The inputs are filtered using a 60 Hz filter Example 1 Example 2 Example 3 Switched on inputs 1 1 3 1 4 Conversion time 16 7 ms 73 4 ms 146 8 ms 864 X20 System User s Manual V 2 10 X20 module Temperature modules AT42
3. 22 22 3 13 Input filter The filter time for all analog inputs is defined using the input filter parameter Value Filter Filter time Digital converter resolution 0 15 Hz 66 7 ms 16 bit 1 25 Hz 40 ms 16 bi 2 30 Hz 33 3 ms 16 bit 3 50 Hz 20 ms 16 bi 4 60 Hz 16 7 ms 16 bit 5 100 Hz 10 ms 16 bi 6 500 Hz 2ms 16 bi 7 1000 Hz ims 16 bi 22 3 14 Sensor type and channel deactivation The module is designed for temperature and resistance measurement The sensor type must be specified because of the different adjustment values for temperature and resistance The default setting for all channels is ON To save time individual channels can be switched off see section 22 3 12 Reduced refresh time on page 864 Code Input signal 0 Reserved 1 Reserved Sensor type PT100 Sensor type PT1000 Reserved Resistance measurement 0 1 Q to 4500 Q Resistance measurement 0 05 Q to 2250 Q NI ol oa amp wl p Channel turned off X20 System User s Manual V 2 10 865 Chapter 4 X20 module X20 module Temperature modules AT4222 22 3 15 Input status The module s inputs are monitored A change in the monitoring status generates an error message Code Channel x 0 No error d Below lower limit value 2 Above upper limit value 3 Wire break 22 3 16 StatusInput01 register Bit Description 0 1 Channel 1
4. Pin assignments 22 3 7 Connection example 3 wire Al 2 wire connection connection N F o A i 5 n n O st mM Se rO ay fo HE S n n O 24 VDC E 24 VDC GND GND Figure 400 AT4222 Connection example 862 X20 System User s Manual V 2 10 22 3 8 Input circuit diagram 2 line connection X20 module Temperature modules AT4222 A 250 pA S m5 Channel 1 Sensor x 04 __ i i a Channel 2 4 ____ i i pi z pa 8 er 8 d toy 3 tj i Channel 1 Sense x o t if tamal a Channel 2 4 ___ Switch closed when 2 wire connection A D converter Input value I O status Vv LED green Figure 401 AT4222 Input circuit diagram 2 wire connection 3 line connection 250 pA S 250 pA ioe Channel 1 Sensor x 7 i id a Channel 2 4 io i if g ot amp on 2 i i F et me Channel 1 Sense x o iooi Channel 2 4 _ i i PTC Je Sensor x oF 1 re A D converter Input value I O status y LED green Figure 402 AT4222 Input circuit diagram 3 wire connection X20 System User s Manual V 2 10 863 Chapter
5. X20 module Temperature modules AT4222 22 3 AT4222 22 3 1 General information The AT4222 module is equipped with four inputs for PT100 PT1000 resistance temperature measurement 4 inputs for resistance temperature measurement For PT100 and PT1000 Sensor type can be be set for each channel Direct resistance measurement as well 2 or 3 wire connection can be configured for each module Filter time can be configured 22 3 2 Order data Model number Short description Figure Temperature module X20AT4222 X20 temperature input module 4 resistance measurement inputs PT100 PT 1000 resolution 0 1 K 3 wire connections Required accessories X20TB12 X20 terminal block 12 pin 24 V coded X20BM11 X20 bus module 24 V coded internal I O supply is interconnected Table 529 AT4222 Order data 858 X20 System User s Manual V 2 10 22 3 3 Technical data X20 module Temperature modules AT4222 Product ID AT4222 Short description 1 0 module 4 inputs for PT100 or PT1000 resistance temperature measurement Temperature inputs Resistance measurement Input Resistance measurement with constant current supply for 2 or 3 wire connections Digital converter resolution 16 bit Filter time Configurable between 1 ms and 66 7 ms Conversion time 1 channel 20 ms at 50 Hz filter 2 4 channels 40 ms per channel with 50 Hz filter Output format INT or UINT for res
6. based on the entire resistance measurement range Common mode rejection DC gt 95 dB 50 Hz gt 80 dB Synchronized zone gt 0 7 V Cross talk between channels gt 93 dB Non linearity lt 0 0010 based on the entire resistance range Isolation voltage betw channel and bus 500 Vert General information B amp R ID code 1BA7 Table 531 AT4322 Additional technical data cont 22 3 5 Status LEDs Chapter 4 X20 module Figure LED Color Status Description r Green off Module supply not connected Single flash Reset mode Blinking Preoperational mode A N On RUN mode p e Red off Module supply not connected or everything is OK R On Error or reset state N m t Single flash Warning error for an I O channel Overflow or underflow of the analog r inputs S e r Steady red single green Invalid firmware tad flash eee 1 4 Green Off The input is switched off Blinking Overflow underflow or broken connection On The analog digital converter is running value is OK Table 532 AT4222 Status indicators X20 System User s Manual V 2 10 861 X20 module Temperature modules AT4222 22 3 6 Pin assignments Channels that are not being used should be deactivated N N N lt o N x mesno 1 Sensor 2 HiiSense 1 Sense 2 Ensor 1 Sensor Sensor 3 Sensor 4 HiliSense 3 senso ME HiiSensor 3 Sensor 4 Figure 399 AT4222
7. istance measurement Maximum error at 25 C Gain 0 037 based on the current resistance value Offset 0 0015 based on the entire resistance range Sensor Can be set per channel PT100 200 C to 850 C PT1000 200 C to 850 C Resistance measurement range 0 1 Q to 4500 Q 0 05 Q to 2250 Q General information Status indicators I O function per channel operating state module status Diagnostics Module run error Inputs Yes with status LED and software status Yes with status LED and software status Electrical isolation Horizontal installation Vertical installation Channel Bus Yes Channel Channel No Power consumption Bus 0 01 W I O internal 11W Certification CE C UL US GOST R Operating conditions Operating temperature 0 C to 55 C 0 C to 50 C Relative humidity 5 to 95 non condensing Mounting orientation Horizontal or vertical Installation at altitudes above sea level 0 2000 m No derating gt 2000 m Reduction of ambient temperature by 0 5 C per 100 m Protection type IP20 X20 System User s Manual V 2 10 Table 530 AT4222 Technical data 859 Chapter 4 X20 module X20 module Temperature modules AT4222 Product ID AT4222 Storage and transport conditions Temperature 25 C to 70 C Relative humidity 5 to 95 non condensing Mechanical characteristics Spacing 12 5 02 mm C
8. nimum cycle time In each operating mode 100 ps 22 3 20 Minimum I O update time The minimum I O update time refers to the minimum time it takes for the bus cycle to shut down so that in each cycle an I O update takes place Minimum I O update time 1 input Equal to the filter time n inputs n 20ms FilterTime X20 System User s Manual V 2 10 867 Chapter 4 X20 module
9. omment Order terminal block 1x X20TB12 separately Order bus module 1x X20BM11 separately Table 530 AT4222 Technical data cont 22 3 4 Additional technical data Product ID AT4222 Temperature inputs Resistance measurement Sensor standard IEC EN 60751 Temperature sensor resolution PT100 1 LSB 0 1 C PT1000 1 LSB 0 1 C Resistance measurement resolution G 1 019 G 2 0 05 Q Temperature sensor standardization PT100 200 0 C to 850 0 C PT1000 200 0 C to 850 0 C Standardized value range for resistance measurement G 1 0 1 Q to 4500 0 Q G 2 0 05 Q to 2250 0 Q Temperature measurement monitoring Open inputs 7FFF Wire break 7FFF Below lower range limit 8001 Above upper range limit 7FFF General error 8000 Resistance measurement monitoring Open inputs FFFF Wire break FFFF Above upper range limit FFFF General error FFFF Conversion method pSigma Delta Linearization method Internal Reference 4530 Q 0 1 Measuring current 250 pA 1 25 Permitted input signal Short term max 30 V Input filter Low pass 1st order cut off frequency 500 Hz Maximum gain drift 0 004 C based on the current resistance measurement 860 Table 531 AT4322 Additional technical data X20 System User s Manual V 2 10 X20 module Temperature modules AT4222 Product ID AT4222 Maximum offset drift 0 00015 C
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