Flexim FLUXUS H721 - Page 80

7 Connection
7.2 Power supply FLUXUS H721
2022-05-15, UMFLUXUS_H721V1-5EN
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7.2.1 Cable connection
Transmitter with stainless steel housing
• Remove the blind plug to connect the cable to the transmitter.
• Prepare the cable with a cable gland. The used cable has to have a wire cross-section of 0.25…2.5 mm
2
. The outer
diameter of the cable where the ferrite nut is placed may not exceed 7.6 mm.
• Push the cable through the cap nut, compression part, basic part and the sealing ring (sealing ring: only for cable gland
M20, not for cable gland 1/2 NPS).
• Insert the cable into the transmitter housing.
• 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.
Transmitter with aluminum housing
• Remove the blind plug to connect the cable to the transmitter.
• Prepare the cable with a cable gland.
The used cable has to have a wire cross-section of 0.25…2.5 mm
2
.
• Push the cable through the cap nut, compression part and basic part of the cable gland.
• Insert the cable into the housing of the transmitter.
• Screw the sealing ring side of the basic part into the transmitter housing.
• Fix the cable gland by screwing the cap nut onto the basic part.
• Connect the cable to the terminals of the transmitter.
Tab. 7.10: Terminal assignment
terminal connection AC connection DC
PE earth earth
N(-) neutral -
L(+) phase 100...230 V AC, 50...60 Hz +
fuse 1 A, time-lag 1.6 A, time-lag
Fig. 7.14: Cable gland for stainless steel housing
1 – cap nut
2 – compression part
3 – basic part
4 – sealing ring (only for cable gland M20, not for cable gland 1/2 NPS)
5 – housing wall
6 – ferrite nut
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