13 Qualification Tests
User Manual
365/374
Standard
Test description
Parameter
ISO 16750-2
Slow decrease and increase of supply
voltage
Decrease the supply voltage from the
minimum supply voltage to 0 V, then
increase it from 0 V to minimum supply
voltage applying a change rate of (0.5 ±
0.1) V/min linear, or in equal steps of not
more than 25 mV.
ISO 16750-2
Discontinuities in supply voltage -
Momentary drop in supply voltage
12 V system: Drop to 4.5 V for a duration
100 ms
24 V system: Drop to 9 V for a duration
100 ms
ISO 16750-2
Discontinuities in supply voltage -
Reset behavior at voltage drop
Decrease supply voltage in steps of 5 %
ISO 16750-2
Discontinuities in supply voltage -
Starting profile
12 V, Code C:
• minimum supply voltage 9 V,
• maximum supply voltage 16 V
• Level I, Level II, Level III, Level IV
24 V, Code E:
• minimum supply voltage 10 V,
• maximum supply voltage 32 V
• Level I, Level II, Level III
ISO 16750-2
Discontinuities in supply voltage - Load
dump
Test B: 10 pulses
ISO 16750-2
Reversed voltage
Case 2
12 V system: Test voltage 14 V
24 V system: Test voltage 28 V
Reversed polarity to all relevant inputs
(terminals) for a duration of (60 ± 6)
seconds
ISO 16750-2
Open circuit tests - Single line
interruption
Interruption of each single Output for (10
± 1) seconds
ISO 16750-2
Open circuit tests - Multiple line
interruption
Disconnect the device under test (DUT)
for a duration of (10 ± 1) seconds, then
restore the connection.
ISO 16750-2
Short circuit protection - signal circuits
Connect every in- and output to
maximum supply voltage and GND for 1
minute
ISO 16750-2
Short circuit protection - load circuits
This test is applicable only for
systems/components with load circuits.
ISO 16750-2
Withstand voltage
Perform a "damp heat cyclic" test in
accordance with
ISO 16750-4, then apply 500 V rms
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