ITech IT-M3900C Series User Manual page 100

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4.6.3.4 SAEJ1113-11 Waveform Protocol
SAEJ1113-11 Waveform protocol related parameters are described as follows:
SAEJ1113-
11
U: Voltage (in V)
U : 18V
s
U : 21V
A
U : 42V
T
SAEJ1113-11 Waveform protocol
Test–2B
Test–4
Test–5
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t2: 15ms
t3: 50ms
t4: 10000ms
t5: 100ms
Transient from DC motors acting as genera-
tors after ignition switch OFF
Select the 12V voltage system
12V
Td
Select the 24V voltage system
24V
Td
Starter motor engagement disturbance
pulse
Select the 12V voltage system
12V
Vs
Va
T7
T9
T11
Select the 24V voltage system
24V
Vs
Va
T7
T9
T11
Load dump waveform
Power Supply Function
Test pulse width
Test pulse width
For details, see Table
4–1 Parameter
Description
For details, see Table
4–1 Parameter
Description
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