59 38 399 D3352
7 – 40
D3352.076.01.13.02
07.2008
7.13 Checking the protective ground wires
Tabs 7
Check whether the ground wire
resistance complies with the
specifications
z
A power source with a current of at least 0.2 A and a no-load voltage of 24
V max. and 4 V min. is required.
z
Connect the power source between the measuring points specified in the
table for at least 5 s and measure:
– the voltage drop with the voltmeter
– the current with the ammeter and
– calculate the resistance using the formula
R = U/I
Measuring point A: Central ground wire
Protective ground wire test
between...
A and
B
GNYE wire
0,1
Ω
A and
C
2. Protective
ground wire
0,1
Ω
A and
D
Housing DX32
0,2
Ω
A
Summary of Contents for ORTHOPHOS XG 3 DS
Page 4: ......
Page 9: ...ORTHOPHOS XG 1General information...
Page 12: ...59 38 399 D3352 1 4 D3352 076 01 13 02 07 2008 Tab1...
Page 59: ...ORTHOPHOS XG 2 Messages...
Page 124: ...59 38 399 D3352 2 66 D3352 076 01 13 02 07 2008 2 6 List of available service routines Tab 2...
Page 125: ...ORTHOPHOS XG 3 Troubleshooting...
Page 153: ...ORTHOPHOS XG 4 Adjustment...
Page 269: ...ORTHOPHOS XG 5 Service routines...
Page 433: ...ORTHOPHOS XG 6 Repair...
Page 436: ...59 38 399 D3352 6 4 D3352 076 01 13 02 07 2008 Tab6...
Page 530: ...59 38 399 D3352 6 98 D3352 076 01 13 02 07 2008 6 21 Replacing cables Tabs 6...
Page 531: ...ORTHOPHOS XG 7 Maintenance...
Page 577: ...b 59 38 399 D3352 D3352 076 01 13 02 07 2008...