Flexim FLUXUS F704**-A2 Series, User Manual

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7 Connection FLUXUS F70x
UMFLUXUS_F7V4-6-2EN, 2017-10-01 75
7.3 Power Supply
The external protective earth is connected to the equipotential bonding terminal on the housing of the transmitter FLUXUS
F704**-A2, F705**-A2, F705**-NN (see Fig. 7.36 or Fig. 7.37). It always has to be connected.
FLUXUS F704, F705, F706
For the connection of the power cable to the transmitter, see box Cable connection, Fig. 7.1 or Fig. 7.2, Fig. 7.36 or Fig.
7.37 and Tab. 7.17.
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Attention! According to IEC 61010-1:2010, a switch has to be provided near the measuring instrument in the
building installation, easily accessible for the user and marked as a disconnection device for the mea-
suring instrument.
If the transmitter FLUXUS F704**-A2, F705**-A2 is used in an explosive atmosphere, the switch
should be installed outside the explosive atmosphere. If this is not possible, the switch should be in-
stalled in the least hazardous area.
Attention! The degree of protection of the transmitter will only be guaranteed if the power cable fits firmly and
tightly in the cable gland.
Cable connection
• Remove the blind plug from the transmitter for the connection of the cable (if present).
FLUXUS F704:
• Prepare the cable with an M20 cable gland.
• Push the cable through the cap nut, the compression part and the basic part of the cable gland.
• Insert the cable into the housing of the transmitter.
• Screw the gasket ring side of the basic part into the housing of the transmitter.
• Fix the cable gland by screwing the cap nut onto the basic part.
• Connect the cable to the terminals of the transmitter.
FLUXUS F705, F706:
• Prepare the cable with a cable gland.
• Push the extension cable through the cap nut, the compression part, the basic part and the gasket ring.
(Sealing ring: only for cable gland M20, not for cable gland 1/2 NPS.)
• Insert the cable into the housing of the transmitter.
• Fix the cable gland by screwing the cap nut onto the basic part.
• Fix the transducer cable by tightening the cable gland with the ferrite nut.
• Connect the cable to the terminals of the transmitter.
Fig. 7.36: Transmitter FLUXUS F704
AVS AV AGN ARS AR BVS BV BGN BRS BR
SA1 SA2 SA3 SA4 SB1 SB2 SB3 SB4 T1a T1b S2 T2a T3a T3b S4 T4a T2b T4b
T1A T1B S1 T2A T3A T3B S3 T4A T2B T4B A+ B- P1+ P2+ P4+ P5a P6a P7a P3+
101 103 P1- P2- P4- P5b P6b P7b P3-
PE N(-) L(+)
cable gland
cap nut
compression part basic part
power supply
equipotential bonding terminal
(FLUXUS F704**-A2)