Endress+Hauser Liquiphant FTL64 - Device Electrical Connection Details; Connecting the Device: Power and Cable Specs

Liquiphant FTL64 HART Electrical connection
Endress+Hauser 21
6.3 Connecting the device
1
A0046355
1 Connection compartment cover
Housing thread
The thread of the electronics and connection compartment is coated with lubricant
varnish.
Avoid additional lubrication.
6.3.1 Supply voltage
• U = 10.5 to 35 V
DC
(Ex d, Ex e, non-Ex)
• U = 10.5 to 30 V
DC
(Ex i)
• Rated current: 4 to 20 mA HART
• The power unit must be tested to ensure it meets safety requirements (e.g. PELV,
SELV, Class 2).
• Comply with the following according to IEC/EN61010-1: provide a suitable circuit
breaker for the device.
6.3.2 Terminals
• Supply voltage and internal ground terminal: 0.5 to 2.5 mm
2
(20 to 14 AWG)
• External ground terminal: 0.5 to 4 mm
2
(20 to 12 AWG)
6.3.3 Cable specification
• The cable outer diameter depends on the cable entry used
• Cable outer diameter
• Plastic: ⌀5 to 10 mm (0.2 to 0.38 in)
• Nickel-plated brass: ⌀7 to 10.5 mm (0.28 to 0.41 in)
• Stainless steel: ⌀7 to 12 mm (0.28 to 0.47 in)