Standards and certifications • Safety
94
Power Panel 65 User's manual V2.21
5.7 Safety
Safety
Test carried out in accordance with
Limits in accordance with
EN 60204-1: Electrical equipment of machines
Ground resistance
EN 61131-2
EN 61131-2: Programmable logic controllers
Insulation resistance
EN 60204-1: Electrical equipment of machines
EN 61131-2: Programmable logic controllers
High voltage
EN 60060-1
UL 508: Industrial control equipment
5.7.1 Ground resistance
Test carried out in accordance with
EN 61131-2
Limits in accordance with
EN 60204-1
1)
Limits in accordance with
EN 61131-2
Smallest effective cross section
of the protective ground conduc-
tor for the branch being tested
Maximum measured voltage
drop at a test current of 10 A
1.0 mm²
3.3 V
1.5 mm²
2.6 V
2.5 mm²
1.9 V
4.0 mm²
1.4 V
Ground resistance: Housing (from any
metal part to the ground terminal)
>6.0 mm²
1.0 V
Test current 30 A for 2 min, <0.1 Ω
1)
See EN 60204-1:1997, page 62, table 9.
5.7.2 Insulation resistance
Test carried out
Limits in accordance with
EN 60204-1
1)
Insulation resistance: Main circuits to
protective ground conductor
>1 MΩ at 500 VDC
1)
See EN 60204-1:1997, page 62, table 9.
5.7.3 High voltage
Test carried out in accordance with
EN 60060-1
Limits in accordance with
EN 61131-2
1)
Limits in accordance with
UL 508
Test voltage
Test voltage
Input voltage
1.2 / 50 μs
Peak volt-
age surge
AC, 1min
DC, 1 min
Input voltage
AC, 1min
DC, 1 min
0 to 50 VAC
0 to 60 VDC
850 V
510 V
720 V
≤50 V
500 V
707 V
50 to 100 VAC
60 to 100 VDC
1360 V
740 V
1050 V
>50 V
1000 V
+ 2x U
N
1.414x (1000
V + 2x U
N
)
100 to 150 VAC
100 to 150 VDC
2550 V
1400 V
1950 V
150 to 300 VAC
150 to 300 VDC
4250 V
2300 V
3250 V
300 to 600 VAC
300 to 600 VDC
6800 V
3700 V
5250 V
High voltage: Primary circuit to sec-
ondary circuit and to protective ground
circuit (transformers, coils, varistors,
capacitors and components used to
protect against overvoltage can be re-
moved before the test)
600 to 1000 VAC
600 to 1000 VDC
10200 V
5550 V
7850 V
1)
See EN 61131-2:2003, page 104, table 59.
Test carried out in accordance with
Limits in accordance with
EN 61131-2
Measurement value
Tolerance
min/max
24 VDC
48 VDC
125 VDC
-15%
+20%
Supply voltage
24 VAC
48 VAC
100 VAC
110 VAC
120 VAC
200 VAC
230 VAC
240 VAC
400 VAC
-15%
+10%
Table 24: Safety - Voltage range
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