ELECTRICAL TRANSIENTS REQUIREMENTS
ISO T/R
7637/1
Test Pulse
I
II
1
-25 V
-50 V
2
+25 V
+50 V
3a
-25 V
-50 V
3b
+25 V
+50 V
4
-4 V
-5 V
5
+26.5 V
+46.5 V
TEST LEVELS
III
IV
-75 V
+75 V
-100 V
+75 V
-6 V
+66.5 V
-100 V
+100 V
-150 V
+100 V
-7 V
+86.5 V
VN450
Delays and
Impedance
2 ms, 10 Ω
0.2 ms, 10 Ω
0.1 µs, 50 Ω
0.1 µs, 50 Ω
100 ms, 0.01 Ω
400 ms, 2 Ω
ISO T/R
7637/1
Test Pulse
I
II
1
C
C
2
C
C
3a
C
C
3b
C
C
4
C
C
5
C
E
(With a series resistor ≥ 1 KΩ in input and status pins).
TEST LEVELS RESULTS
III
IV
C
C
C
C
C
C
C
C
C
C
E
E
CLASS
C
E
CONTENTS
All function of the device are performed as designed after exposure to disturbance.
One or more functions of the device is not performed as designed after exposure and
cannot be returned to proper operation without replacing the device.
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