Power Supply - Endress+Hauser Proline Prosonic Flow 90 Operating Instructions Manual

Proline Prosonic Flow 90
Electrical connections
Potential equalisation
Cable entries
Cable specifications
Supply voltage
Power consumption
Power supply failure
Endress+Hauser
10.1.5

Power supply

see Page 35 ff.
see Page 40
Power supply and signal cables (inputs/outputs):
• Cable entry M20 x 1.5 or
• Cable gland for cables with Ø 6...12 mm
• Threaded adapter 1/2" NPT, G 1/2"
Sensor cable connection (see Fig. 34 on Page 35):
A special cable gland allows you to insert both sensor cables into the connection compartment
simultaneously.
• Cable gland M20 x 1.5 for 2 x Ø 4 mm or
• Threaded adapter 1/2" NPT, G 1/2"
see Page 36
Transmitter:
• 85...260 V AC, 45...65 Hz
• 20...55 V AC, 45...65 Hz
• 16...62 V DC
Measuring sensors:
powered by the transmitter
AC: <18 VA (incl. sensors)
DC: <10 W (incl. sensors)
Switch-on current:
• max. 13.5 A (< 50 ms) at 24 V DC
• max. 3 A (< 5 ms) at 260 V AC
Lasting min. 1 power cycle:
EEPROM saves measuring system data if power supply fails.
10 Technical data
97