Draeger Polytron SE Ex PR M1 DQ Instrucciones De Uso página 34

Installation & commissioning
When using a 3-wire cable:
● Connect terminals in accordance with figure A1.
● Join the preassembled cable parts with the corresponding field cabling
in a twin ferrule and crimp.
When using a 5-wire cable:
● Connect terminals in accordance with figure A2.
When using shielded cables:
● Remove shielding to 45 mm.
● Twist the shielding and fit a ferrule.
● Attach the shielding to pin 1 of the sensor push-in connector.
6. Insert the sensor push-in connector into the socket.
7. Close the cover and secure using the screws (2.5 Nm).
Carefully connect all measuring line connections. Select the measuring lines
according to the installation instructions for each operating temperature range.
4.2.4.3 PEX 1000
PEX 1000
OK
The maximum line lengths for loads of 250 Ohms and a sensor current of
270 mA can be found in the following tables.
This results in the following maximum distances for the different wire cross-
sections:
Wire cross-section
0.5 mm
Max. line length 170 m
1 2 3
1 2 3
Polytron SE Ex PR ... DQ
/
Polytron SE Ex LC ... DD
2 2 2
1.0 mm 1.5 mm
345 m 500 m