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

Waterpilot FMX21 Electrical connection
Endress+Hauser 25
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)
11.5 to 35 V DC
6.3 Cable specifications
In the following cases, Endress+Hauser recommends the use of a shielded cable as the
cable extension:
• For large distances between the end of the extension cable and the display and/or
evaluation unit
• For large distances between the end of the extension cable and the temperature head
transmitter
• When directly connecting the Pt100 signal to a display and/or evaluation unit
The extension cables are shielded for device versions with external 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)
• 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)
6.4.2 TMT182 temperature head transmitter (optional)
≤ 0.805 W at 35 V DC