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  RD-Y(St)Y Instrumentation and control cable
    ... x 2 x 0.5 mm2 Bd Pairs laid up in bundles
    ... x 2 x 1.0 mm2 Bd




Applications

Installation cables with electrostatic screen (St) are used for optimum data transmission in instrumentation and control engineering for process control and computers in power plants. Short and different pitch lengths for the pairs within a bundle guarantee good crosstalk attenuation values and ensure the transmission of analogue and digital signals up to frequencies of 10 kHz. The static screen of plastic coated metal foil protects the circuits from external electrical interference, for compliance with capacitance unbalance specifications and to assure an exact pulse transmission. In accordance with new environmental regulations, these cables are used for control systems in fumes gas desulphurisation units in incinerators as well as for upgrading older installations of power supply companies. These data transmission cables are suitable for permanent installation in dry and moist rooms, refer also to VDE 0800 part 1.

Characteristic features

•  The optimised design and construction of these data transmission cables ensures compatibility with the well-known ABB control systems DECONTIC® and PROCONTIC®.
•  Used in particular in the field of industrial electronics and power and lighting engineering.
•  Special PVC-insulation and sheath compounds guarantee first-class mechanical properties and high flexibility of the cable.
•  0.5 mm2 : suitable for Teumi-Point wiring due to the 7-strand wire construction.

Durability

The PVC sheath is largely resistant to oils (depending on the type of oil), excluding VDE 0472 part 803.
Chemical resistance for PVC refer also to the Table of Technical Guidelines.
Recommended for electromagnetic compatibility


Cable design

Construction designed on the basis of VDE 0815 conductor :plain Cu wires, 7-strand
Construction of the conductor: 0.5 mm2 : 7 x 0.3 mm
                                                 1.0 mm2 : 7 x 0.43 mm
Insulation : core insulation of special PVC Compound
According to VDE 0207 part 4
Pair : 2 cores twisted to a pair , pitch lengths for pairs ? 50 mm for 0.5 mm2
Core identification: colour coded according to VDE 0815
Pair identification : pair 1 blue/red           pair 3 green/brown
                              pair 2 grey/yellow     pair 4 white/black
Bundle : each bundle laid up with 4 pairs open spirals with imprinted numbers assigned to the bundles Type of lay-up : basic bundles laid up in layers
Screen (St) : static screen of plastic coated metal foil, metal side on the inside and 1 Cu drain
                     wire (0.5 mm2 = 7 x 0.3 mm) under the metal foil, tinned
Sheath : sheath material of special PVC compound
Sheath colour : grey, blue also available (RAL 5015) **)
Sheath wall : according to VDE 0815 for interior Thickness installation * )

•  Note
* ) for underground installation applications, the colour is black with a reinforced PVC outer sheath (Yv), wall thickness according to VDE 0816, or alternatively with an additional sheath of wall thickness 1.0 mm (YY) available upon request.

**) With blue sheath for intrinsically safe systems available upon request.

•  Note
Other core configurations and special constructions, including halogen-free versions, manufactured upon request.



Technical Data

Conductor cross section    : 0.5 mm2  1.0 mm2
Conductor resistance at 20° C max   73.6 36.8 /km
Insulation resistance min.      100   100 m .km
Operating capacit. at 800 Hz max.    1001) 1001) nF/km
Capacitance unbalance max.    1002)    1002) pF/100 m
Crosstald attenuation at 10 kHz min.      60 60 dB/500 m
Line attenuation      
      at 1 kHz (guiding value)   1.15 0.8 dB/km
      at 10 kHz (guiding value)   3.0 2.1 dB/km
Characteristic impedance      
      at 1 kHz (guiding value)   370 260
      at 10 kHz (guiding value)   130 90
Operating voltage (peak value) max.   600 600 V
Test voltage      
      core/core   2000 2000 V
      core/screen   2000 2000 V
Temperature range    
      Mobile   - 5° C to + 70° C
      Fixed   -30° C to + 70° C
Minimum bending radius   approx. 7.5xcable-Ø
Radiation resistance   80 Mrad (80 x 10 6 cJ/kg)
Testing: according to DIN VDE 0472 and IEC regulations Flame test   test class B according to VDE 0472 part 804 and IEC 332-1
PVC characteristics   self-extinguishing and flame-retardant
       
       
1) the values may be exceeded by 20% by cables with up to 4 pairs.
2) 20% of the values, at least one value up to 200 pF permitted.



Dimensions


Reference
Approx.
Outer
Diameter
In mm
Copper
Weight

Kg/km

Approx.
Cable weight

Kg/km

Part no.
08...
Type
No. of conductors
Nominal cross
section mm2
RD-Y (St)Y
2x2x0.5 *Bd

7.4

25

72

 
4x2x0.5

9.4

45

109

 
8x2x0.5

11.9

85

175

 
12x2x0.5

13.3

125

245

 
16x2x0.5

15.9

165

318

 
20x2x0.5

17.6

205

383

 
24x2x0.5

19.3

245

470

 
28x2x0.5

20.4

285

528

 
32x2x0.5

22.2

325

581

 
36x2x0.5

23.0

365

641

 

40x2x0.5

23.5

405

700

 
44x2x0.5

24.5

445

755

 
48x2x0.5

25.5

485

844

 
52x2x0.5

27.0

525

912

 
56x2x0.5

28.1

565

977

 
60x2x0.5

29.0

605

1044

 
64x2x0.5

30.0

645

1110

 

80x2x0.5

33.0

805

1330

 
96x2x0.5

36.5

965

1540

   
RD-Y (St)Y
2x2x1.0*Bd

10.2

51

120

 
4x2x1.0

11.0

91

180

 
8x2x1.0

15.0

171

310

 

12x2x1.0

17.0

252

420

 
16x2x1.0

20.5

332

560

 
20x2x1.0

22.5

413

670

 

24x2x1.0

24.5

493

812

 
28x2x1.0

26.0

573

930

 
32x2x1.0

27.2

654

1040

 
36x2x1.0

29.5

735

1180

 
40x2x1.0

31.0

816

1290

 
44x2x1.0

32.0

892

1400

 
48x2x1.0

33.5

977

1520

 
52x2x1.0

35.0

1053

1660

 

56x2x1.0

36.0

1134

1760

 

60x2x1.0

37.3
1215

1875

 
64x2x1.0

38.5

1296

1985

 
80x2x1.0

42.0

1617

2445

 
96x2x1.0
46.0

2023

2885
 

* 2 pair laid up as star quad


Note
Other core configurations and special constructions, including halogen-free versions, manufactured upon request.


Identification of cores and pairs

Identification of the insulation of the cores by different colours which are repeated in the same sequence in each bundle.

Identification of pairs

The pairs are identified by the basic colours of the insulation.

Basic colours for pairs

Pair no.   
Basic color
    a-core and b-core

Pair 1

  blue red

Pair 2

  grey yellow

Pair 3

  green brown
Pair 4   white black

Bundle : 4 pairs laid up to a bundle
Bundle identification : each bundle is identified by one open support spiral with imprinted numbers.
Method of counting : commencing at the inner layer with no.1 and counting successively outwards through all layers in the same manner.

 

 
 


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