The measurement of the grid loop impedance has to be carried out
at the end of the control cable on the TracFeed
®
SFA.
Personnel:
n
Qualified electrician for high and
medium voltage
Protective equip-
ment:
n
Protective clothing
n
Industrial safety helmet
n
Protective gloves
n
Safety footwear
n
High-vis clothing
Tool:
n
Installation tester
1.
WARNING!
Risk of fatal injury due to electric shock
on unearthed enclosure door!
Earth the enclosure door of the TracFeed
®
SFA before
opening it.
2.
Measure the grid loop impedance.
For this measurement, use a suitable meas-
uring device tested in accordance with
IEC 61557-3 (DIN EN 61577-3,
DIN VDE 0413-3).
3.
Measure the loop impedance between the phase conductors
and the protective earth to check the effectiveness of the pro-
tective measure.
4.
Log the measured values.
Measurement of the grid loop impe-
dance
Assembly
Final checks > Electrical measurements and function tests
14.09.2022
TracFeed
®
SFA Electromechanical remote motor drive
51