Endress+Hauser Waterpilot FMX21 - Supply Voltage; Cable Specifications; Power Consumption

Electrical connection Waterpilot FMX21
28 Endress+Hauser
6.1.6 Connection data
Connection classification as per IEC 61010-1:
• Overvoltage category 1
• Pollution level 1
Connection data in the hazardous area
See relevant XA.
6.2 Supply voltage
L
WARNING
Supply voltage might be connected!
Risk of electric shock and/or explosion!
‣
When using the measuring device in hazardous areas, installation must comply with the
corresponding national standards and regulations as well as the Safety Instructions.
‣
All explosion protection data are given in separate documentation which is available upon
request. The Ex documentation is supplied as standard with all devices approved for use in
explosion hazardous areas.
6.2.1 FMX21 + Pt100 (optional)
• 10.5 to 35 V (not hazardous areas)
• 10.5 to 30 V (hazardous areas)
6.2.2 TMT182 temperature head transmitter (optional) for FMX21 4 to 20 mA HART
11.5 to 35 V DC
6.3 Cable specifications
Endress+Hauser recommends using shielded, twisted-pair two-wire cables.
The probe cables are shielded for device versions with outer diameters of 22 mm (0.87
in) and 42 mm (1.65 in).
6.3.1 FMX21 + Pt100 (optional)
• Commercially available instrument cable
• Terminals, terminal box: 0.08 to 2.5 mm
2
(28 to 14 AWG)
6.3.2 TMT182 temperature head transmitter (optional) for FMX21 4 to 20 mA HART
• Commercially available instrument cable
• Terminals, terminal box: 0.08 to 2.5 mm
2
(28 to 14 AWG)
• Transmitter connection: max. 1.75 mm
2
(15 AWG)
6.4 Power consumption
6.4.1 FMX21 + Pt100 (optional)
• ≤ 0.805 W at 35 V DC (non-hazardous area)
• ≤ 0.690 W at 30 V DC (hazardous area)