Dräger Polytron 8000 Series Technical Manual page 23

5.2.1.3 Cable lengths for 4 to 20 mA signal connection of Polytron
Tinned copper wire, class 5/6 according to IEC 60228 / VDE 0295
Values include a safety margin of 10%.
Operating voltage: 24 V
AWG 21
0.5
2
mm
122°F feet 906
50°C
m 276
68°F feet 1014
20°C
m 309
Bare copper wire, class 2 according to IEC 60228 / VDE 0295
Values include a safety margin of 10%.
Operating voltage: 24 V
AWG 21
2 0.5
mm
122°F feet 4902
50°C
m 1494
68°F feet 1129
20°C
m 344
5.2.2 Terminal connections 4-20mA / HART
4-20mA / HART® interface
Pin
1
2
3
4
5
|
Technical Manual
Dräger Polytron
20
0.75
1361
415
1519
463
20
0.75
3002
915
1657
505
Mark Function
PWR+ V+
PWR- V-
PWR- V-
To be used when the instrument is not powered by the control
unit (separate power supply), see wiring figures.
4-20mA 4 to 20 mA signal (Operation as source or sink)
PE Protective earth
Optional PE for relay connection. Connecting PE together
with the 4-20mA analog output may cause ground loops.
®
8000 Series
18 16
1 1.5
1814 2651
553 808
2031 2963
619 903
18 16
1 1.5
2008 1483
612 452
2244 3356
684 1023
®
interface and relay
Installation
®
8200 CAT LC
13
2.5
4423
1348
4944
1507
13
2.5
1007
307
5479
1670
23