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G 

7                                                       DTR. LI-24

(ENG

) 

 

 

List of current alarms 

Alarm Type 

Value of Alarm Current 

 

Alarm Type 

Value of Alarm Current 

NORMAL LOW 

3,75 mA 

CUSTOM (value of alarm 

current is defined by user) 

Value of alarm current in 

interval 

3,6 mA 

 23 mA 

NORMAL HIGH 

21,6 mA 

NAMUR LOW 

3,6 mA 

LAST VALUE  

(transmitter does not 

update analog exit) 

Alarm  current  value  is  equal 
to  the  current  value  in  the 
time  preceding  the  event 
which giving an alarm. 

NAMUR HIGH 

21,0 mA 

Galvanic separation user processing profile 
-  electrical strength: 

 

1500V      rms in 1 min 

 - resistance: 

500MΩ  

6.2. Metrological parameters: 

- sensors kinds , ranges and accuracy 

 

see table 1. 

- user processing profile  

 

to 50 measuring points 

- resolution A/C conversion  

 

24 bit 

- input impedance, thermocouples or voltage inputs 

>10MΩ 

- supply voltage changes error 

 

± 0,002%/V 

- temperature error 

 

see table 1   

- temperature compensation  

  50 points at temperature working range segmental  
  with linear approximation between points 

- output signal setting time 

0.3 

– 1.2s 

- additional voltage damping 

0 

– 30s 

- time of single conversion 

200 ÷ 1000ms 

 
 

 

6.2.1. Input data, accuracy. 

Table 1

. 

Sensor types, ranges, accuracy. 

Sensor RTD 2,3,4-wires connection 

Input 

– RTD 

Thermoresistance sensors

   

 

2,3,4-wires connection 

Sensor current

 

 

~420uA 

Max. wires resistance

 

 

25Ω

 

Sensor type 

Standard 

Normal 

range 

Min. 

measuring 

range  

Accuracy 

 

∆p

 

Temperature 

error 

∆tp

 

Analogue output 

error 

 

 

0

C 

K 

K 

K/K 

% 

1 

2 

3 

4 

5 

6 

7 

Pt10 (α=0.003850) 

IEC751, 

DIN43760, 

JISC  

1604-97,  

BS 1904 

-

200÷850 

10 

±0.8 

±0.035 

Analog output 

error: 0,05% 

FSO(Full Scale 

Output) in all 

temperature 

working range 

Pt50 (α=0.003850) 

-

200÷850 

10 

±0.2 

±0.0070 

Pt100 (α=0.003850) 

-

200÷850 

10 

±0.07 

±0.0035 

Pt200 (α=0.003850) 

-

200÷850 

10 

±0.2 

±0.0020 

Pt500 (α=0.003850) 

-

200÷850 

10 

±0.05 

±0.0007 

Pt1

000 (α=0.003850) 

-

200÷266 

10 

±0.03 

±0.0003 

Pt 98 (α=0.003923) 

SAMA  

RC-4-1966 

-

200÷650 

10 

±0.07 

±0.0035 

Ni100 (W100=1.617) 

PN-83/M-

53952 

-

60 ÷ 180 

10 

±0.07 

±0.0030 

Cu100 (W100=1.426) 

-

50 ÷ 180 

10 

±0.07 

±0.0030 

Pt10 (α=0.003916)  

JIS C1604-

81 

-200

÷630 

10 

±0.8 

±0.035 

Pt50 (α=0.003916)  

-

200÷630 

10 

±0.2 

±0.0070 

Pt100 (α=0.003916) 

-

200÷630 

10 

±0.07 

±0.0035 

Содержание LI-24

Страница 1: ...SMITTERS AND CONTROL INSTRUMENTS USER S MANUAL RAIL MOUNTED SMART TEMPERATURE TRANSMITTER TYPE LI 24 Edition G WARSAW MAY 2017 APLISENS S A 03 192 Warszawa ul Morelowa 7 tel 48 22 814 07 77 fax 48 22 814 07 78 www aplisens pl e mail aplisens aplisens pl ...

Страница 2: ...e manufacturer In order to minimize the risk of malfunction and associated risks to staff the device is not to be installed or used in particularly unfavourable conditions where the following dangers occur possibility of mechanical impacts excessive shocks and vibration excessive temperature fluctuation condensation of water vapour large dust icing Installation of intrinsic safety versions should ...

Страница 3: ... danger area 6 6 TECHNICAL PARAMETERS 6 6 1 Electrical parameters 6 6 2 Metrological parameters 7 6 2 1 Input data accuracy 7 6 3 Input with 2 sensors 8 6 4 Normal usage conditions 9 7 SENSORS CONNECTION OPTIONS TO LI 24 TRANSMITTER 10 8 LI 24 TRANSMITTER CONFIGURATION 11 9 SAFETY CONDITIONS 11 10 STORAGE AND TRANSPORT 11 10 1 Storage 11 10 2 Transport 11 11 WARRANTY 11 12 FIGURES 12 Fig 1 LI 24 t...

Страница 4: ...le cold lead ends with inside or offside sensors The LI 24 transmitter features a Two wire power supply 4 20mA current loop b Digital signal processing filtration linearization compensation c Transmitter configuration possibility with Hart Protocol as sensor type calibration programming and range difference user measuring profile enabling d Autodiagnostic system e Ability to cooperate with resisti...

Страница 5: ...tters can be operated in explosion danger areas in accordance with the explosion proof construction symbol II 1G Ex ia IIC T4 T5 Ga I M1 Ex ia I Ma FTZU 08 ATEX 0160X 5 2 LI 24 transmitters identification symbols Intrinsically safe transmitters must have a rating plate with the following data a The name of the producer b The LI 24 transmitter type c CE symbol and the Notified Body number symbol d ...

Страница 6: ...ly with the rectangular characteristics Ui 24V Pi 0 6W Ii 0 025A Li 1 1mH Ci 5nF Ta 750 C and T5 Ui 24V Pi 1 2W Ii 0 05A Li 1 1mH Ci 5nF Ta 750 C and T4 5 4 Supply examples Used bellow signs Uo and Io accord to transmitter supply and are other than above mentioned p 5 3 1 5 4 1 Power supply with linear characteristics Power supply with a linear characteristic may be a typical barrier with paramete...

Страница 7: ...ules between intrinsically safe circuits and non intrinsically safe circuits At the boxes and at the cases should be put the signs informing about assembled devices and about leading out places Essential for the proper transmitter working with the outside part measuring system is connecting of transmitter with regard to the intrinsically rules EN 600079 25 as well as the maintenance of entrance ex...

Страница 8: ...l 4 20mA Bell202 Hart Rev 5 1 Power supply 14 50VDC Power supply for intrinsic safe versions in accordance with p 5 Load resistance Ro Resistance for communication Hart 250 1100 Fig 6 Supply voltage in load resistance Ro function for LI 24 transmitter Safe working area grid upper colour area Usup V 14V 0 023A Communicator has to have certificate for connection to a signal line leading at the dange...

Страница 9: ... approximation between points output signal setting time 0 3 1 2s additional voltage damping 0 30s time of single conversion 200 1000ms 6 2 1 Input data accuracy Table 1 Sensor types ranges accuracy Sensor RTD 2 3 4 wires connection Input RTD Thermoresistance sensors 2 3 4 wires connection Sensor current 420uA Max wires resistance 25Ω Sensor type Standard Normal range Min measuring range Accuracy ...

Страница 10: ... this second is damaged Minimum outputs value min Ch1 Ch2 Maximum outputs value max Ch1 Ch2 Table 2 Sensor types ranges accuracy Thermocouples Input Thermocouple Input impedance 10MΩ Max wires resistance 500Ω wires thermocouple Cold ends compensation internal sensor external sensor Pt100 state worth Sensor type Standard Normal range Min measurin g range Accuracy p Temperature error tp Analogue out...

Страница 11: ...temperature algebraical difference between upper and bottom limit of setting range TO K ambient temperature range width of the transducer the algebraical difference between upper and bottom ambient temperature accepted as extreme temperatures of work 6 4 Normal usage conditions Ambient temperature 25 750 C Relative humidity to 80 Constant and variable magnetic field 0 400A m Atmosphere components ...

Страница 12: ...G 10 DTR LI 24 ENG 7 SENSORS CONNECTION OPTIONS TO LI 24 TRANSMITTER Fig 7 Sensors connection options to LI 24 transmitter ...

Страница 13: ...pection verification can be performed only if the contents of the Manual have been carefully read and understood Before making any connections it is absolutely necessary to disconnect the power supply and input signal 10 STORAGE AND TRANSPORT 10 1 Storage The transmitter should be stored in original packaging in a closed place free from any aggressive or corrosion causing agents in the temperature...

Страница 14: ... supply max 30V DC Input signal TYPE LI 24 95 80 27 5 OSTRZEŻENIE NIE PRZECIERAĆ NA SUCHO WARNING DON T DRY WIPE LI 24RTD Thermocouple Electrical isolation www aplisens pl input side sensors connection only for Ex version II 1G Ex ia IIC T4 T5 FTZÚ 08ATEX I M1 Ex ia I www aplisens pl 03 192 WARSZAWA ul Morelowa 7 tel 022 814 07 77 fax 022 814 07 78 1453 output side analog Hart Fig 9 Smart temperat...

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