astra_conv:conversion:immobilizer:immobilizer
Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision | ||
|
astra_conv:conversion:immobilizer:immobilizer [2014/03/16 11:41] richard |
astra_conv:conversion:immobilizer:immobilizer [2014/05/20 17:07] (current) richard |
||
|---|---|---|---|
| Line 7: | Line 7: | ||
| * driver's door is open | * driver's door is open | ||
| + | |||
| * AC cord is connected (i.e. tank lid is open) | * AC cord is connected (i.e. tank lid is open) | ||
| + | |||
| * HV isolation alarm active. | * HV isolation alarm active. | ||
| Line 14: | Line 16: | ||
| The motor controller provides an immobilize input, a loop that disables the controller when opened. The loop is normally closed by a relay contact, the relay is located in the 12V front distribution box. | The motor controller provides an immobilize input, a loop that disables the controller when opened. The loop is normally closed by a relay contact, the relay is located in the 12V front distribution box. | ||
| - | The three conditions above are represented by three alarm signals that are applied to the input of the latch. The output of the latch controls the immobilizer relay. | + | The three conditions above are represented by three alarm signals that are applied to the input of the latch. The output of the latch controls the immobilizer relay. Both input and output of the latch are "active low". |
| + | |||
| + | In the first second after turning on ignition, a timer will drive the solid state relay output into low impedance state, so that the input state is "written" into the latch of the second 555 timer circuit. When the relay has gone high impedance again, the "immobilize" state can only be cleared (via an additional diode in parallel to the relay "contact", not yet there on below photo) but not set any more. | ||
| Below, circuit diagram and a picture of the immobilizer latch. | Below, circuit diagram and a picture of the immobilizer latch. | ||
| - | {{:astra_conv:conversion:wiring:isol_check_dcd_13_immo.jpg?800|}} | + | {{:astra_conv:conversion:wiring:isol_check_dcd_14_immo.jpg?1000|}} |
| {{:astra_conv:conversion:wiring:p1110476.jpg?700|}} | {{:astra_conv:conversion:wiring:p1110476.jpg?700|}} | ||
astra_conv/conversion/immobilizer/immobilizer.1394970067.txt · Last modified: 2014/03/16 11:41 by richard
Page Tools
Except where otherwise noted, content on this wiki is licensed under the following license: CC Attribution-Share Alike 4.0 International
