Installation
3-10
SITRANS FM Intermag 2 Flow Transmitter
Operating Manual - A5E00102775-03
Signal line
Terminal box
Electrode line
Power supply
for power supply
and signal lines
Magnetic current line
Terminal box
for magnetic current
and electrode line
Potential equalization
Figure 3-10 SITRANS FM Intermag 2, electrical connections
3.4.2
Connection of the Power Supply
S
Only connect the device to the supply which matches the
specifications on the rating plate.
S
Connect the power supply by an easily accessible and appropriate
labeled isolating device and fuse (max. 4 A) or an easily accessible
circuit breaker (max. 4 A).
S
Use cables with a cross section of at least 1.5 mm
2
and double or
reinforced insulation for the power supply.
S
Connect the PE conductor of the power supply to the ground
terminal
in the terminal box. The line length must be
dimensioned so that the PE conductor comes away last when the
cable is pulled.
3.4.3
Connection of the signal cables
S
Lay the signal cables separately from cables with voltages
>
60 V.
S
Only use signal cables with twisted wire pairs.
S
Avoid laying signal cables close to large electrical installations or
use - if possible - only shielded cables.
S
The full HART 5.1 specification only applies when using shielded
cables.
Содержание SITRANS F M Intermag 2
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