Delta-controls DPR-2000 Manual de usuario Pagina 8
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A 6 IOM-DPCDPR-A: FEB 2014
Appendix Exi
4. User information.
Together with the ordered transmitters, the user will receive:
Product Certificate,
Declaration of conformity,
Copy of certificate – on request
User’s Manual numbered: DTR.DPC.DPR.ALW.03 with Appendix Exi.
User can find them at www.delta-controls.com
5. Permitted input parameters (based on data from the FTZÚ certificate, and
certification documentation).
The transmitters should be powered via the associated power feeding and measurement devices
provided with the relevant intrinsic-safe certificates. The parameters of their outputs to the danger zone
should not exceed the limit power supply parameters for the below specified transmitters.
5.1 - for power supply with a “linear“ characteristic
Ui = 28V Ii = 0,1A Pi = 0,7W for Ta ≤ 70°C i T5
Power supply with a “linear” characteristic may be e.g. a typical barrier with parameters
Uo = 28V Io = 0.093A Rw = 300Ω.
Fig.1. Power supply from a source with “linear” characteristic
5.2. - for power supply with a “trapezial” characteristic
Ui = 24V Ii = 50mA Pi = 0,7W for Ta ≤ 80°C and T5
Example of power supply from a source with “trapezial” characteristic (see Fig. 2).
Io
Ui
Uo
D
I
Rw
Uq
Ii
Fig. 2. Power supply from a source with “trapezial” characteristic
If Uo < then parameters Uq, Io, Po are interrelated as follows:
Uq = , Rw = , Po = for Uo ≤ 1/2Uq
5.3. - for power supply with “rectangular” characteristic
Ui = 24V Ii = 25mA Pi = 0,6W for Ta ≤ 80°C and T5
Ui = 24V Ii = 50mA Pi = 1,2W for Ta ≤ 80°C and T4
The supply of power from a source with a “rectangular” characteristic means that the voltage of the Ex power
supply remains constant until current limitation activates.
The protection level of power supplies with a “rectangular” characteristic is normally “ib”.
The transmitter powered from such a supply is also a Ex device with protection level “ib”.
Example of practical provision of power supply.
– use a stabilized power supply with Uo=24V with protection level „ib” and current limited to Io=25mA.
5.4. Input inductance and capacity Ci = 20nF, Li = 1,1mH
b) Ci=2,5nF, Li=18µH – for „Version SC”
Zasada zasilania o charakterystyce liniowej (Radwanice)
Rw
Uo
I DIi
Io
transmitter
4Po
Io
Uq
Io
Uo(Uq – Uo)
Rw
transmitter
Uq
2
- DELTA CONTROLS 1
- I. APPENDIX Exd 4
- In case 5
- Safe area 6
- Hazardous area 6
- 1. Introduction 7
- 3. Identifying marks 7
- 4. User information 8
- 1. INTRODUCTION 10
- 2. USER MATERIALS 10
- 5. TECHNICAL DATA 11
- parameters 14
- 6. CONSTRUCTION 17
- 7. PLACE OF INSTALLATION 18
- 9. ELECTRICAL CONNECTION 20
- 10. SETTING AND REGULATION 21
- BACK BACK 22
- Descriptions 30
- default setting: 31
- 11.1. Periodic service 34
- 11.2. Periodic services 34
- Principle of operation 34
- 13. GUARANTEE 35
- 14. ADDITIONAL INFORMATION 35
- 14.1. Related documents 35
- 15. FIGURES 36
- Communicator 38
- 39
- Cable 43
- FIELD TERMINALS 44
- 46
- 48
- CIRCUIT IS ALIVE 50
- WARNING 50
- M20x1,5 (G1/2") 51
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