10 INSTALLATION INSTRUCTIONS
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Settings:
This tab has two possible adjustments. The first setting allows a user to turn the data recording off, if
desired. The second control tells the system what to do if the SD card is full. This setting allows the
system to either stop recording or begin to write over data with the lowest recording name. By default
the system is on and will overwrite once the memory is full.
Channels:
Each available data trace within the PN 7730 / PN 77303 is listed in this tab. Each trace can be
disabled individually in order to remove unneeded traces and generate smaller files. The Ignition In
channel and the Ignition Out channel are high resolution and they generate the most amount of data
at high engine rpm.
Start Recording:
The settings here tell the controller when to start recording data so that only useful information is
stored. The recorder can be started by RPM alone or by adding a function to the RPM. For example,
the default setting starts recording as soon as the Launch Rev wire is activated and the RPM is above
3,000.
Stop Recording:
In this tab the user controls when to stop recording. The recording can be stopped by reaching a lower
rpm limit or a trigger such as a step wire signal. When stopping recording only one of these setting
values must be triggered. There is also a setting to keep recording for some time after the trigger to
ensure that all useful data is captured. Finally, there is a user set maximum recording time limit to
ensure recording stops even if the system is not triggered for any reason.
Figure 4 Wiring the Power Grid Controller to MSD 8-Plus.
MSD
CAN
LEGACY IGNITION
SWITCHED IGNITION 12V
GREEN - STEP 5
LT. GREEN - STEP 4
TAN - STEP 3
VIOLET - STEP 2
PINK - STEP 1
BLUE - LAUNCH
LT. BLUE - BURN OUT
BRN/WHITE - RPM/TIME SWITCH
WHITE - POINTS IN
GRAY - TACH
YELLOW - SHIFT LIGHT
GREEN
GREEN
VIOLET
VIOLET
SUPPLIED JUMPER
ORANGE
BLACK
RED
WHITE
BATTERY
BATTERY
ORANGE
BLACK
+
-
ORANGE
BLACK
+
-
V-NET
CABLE
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