Endress+Hauser Proline Prowirl 72 - Cable Specifications, Connecting Cable; Cable Specifications, Armored Connecting Cable; Calculating and Entering the Cable Length

Proline Prowirl 72 FOUNDATION Fieldbus 4 Wiring
Endress + Hauser 23
4.2.2 Cable specifications, connecting cable
The specifications of the cable connecting the transmitter and the sensor of the remote version are
as follows:
•4 2 0.5 mm² (AWG 20) PVC cable with common shield (4 pairs, pair-stranded)
!
Note!
If the cross-section of a cable deviates from the specification, the value for the cable length has to
be calculated. See "Calculating and entering the cable length".
• Conductor resistance to DIN VDE 0295 Class 5 or IEC 60228 Class 55: 39/km
!
Note!
The conductor resistance specified by the standard is compensated for.
• Capacity core/screen: < 400 pF/m (122 pF/ft)
• Cable length: max. 30 m (98 ft)
• Operating temperature: –40 to +105 °C (–40 to +221 °F)
4.2.3 Cable specifications, armored connecting cable
The optionally available armored connecting cable between transmitter and sensor possesses the
following specifications:
•4 2 0.5 mm² (AWG 20) PVC cable with common shield (4 pairs, pair-stranded)
!
Note!
If the cross-section of a cable deviates from the specification, the value for the cable length has to
be calculated. See "Calculating and entering the cable length".
• Conductor resistance to DIN VDE 0295 Class 5 or IEC 60228 Class 5: 39/km
!
Note!
The conductor resistance specified by the standard is compensated for.
• Extensively resistant against acids, bases and specific oils
• A galvanized braided steel wire forms the total shield
• Outer sheath version: smooth, uniform, round
• Cable length: max. 30 m (98 ft)
• Operating temperature: –30 to +70 °C (–22 to +158 °F)
4.2.4 Calculating and entering the cable length
1. Calculate the cable length as follows if the cross-section of the connecting cable deviates from
the specification:
Example:
2. Enter the value for the cable length in the CABLE LENGTH function in accordance with the
unit that was selected in the UNIT LENGTH function.
Conductor resistance of the
cable used [/km]

Actual
cable length [m]
= cable length to be entered (m]
Conductor resistance
as per specification [/km]
26 /km
 15 m = 10 m
39 /km