PCS D200 Dash Logger User Guide
Page 10
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10511 Old Ridge Rd. Ashland, VA 23005
v 2.0
4.2.6.2 Units
The Units Menu allows the user to change the displayed units of temperature, pressure, speed, distance, air/fuel ratio,
operating mode, tachometer, and speedometer.
4.2.6.2.1 Operating Mode
The operating mode is either Normal or Demo. The dash should always be in Normal Mode. The Demo Mode is used
for displaying the dash at a trade show or in a retail environment where the dash is operating in a display case. In Demo
Mode, without any human interaction, the dash will switch back and forth between the monitor screens and play back
data to simulate a drag race.
4.2.6.2.2 Tachometer and Speedometer
The tachometer and speedometer settings are used to set the gauge for those variables from a communication device
such as an engine control module. On-Board speed input gauges are set from the software when the channel is defi ned.
4.2.7 Data Log Settings
The Data Log Settings menu is used to select items to data log, and to erase the memory.
4.2.7.1 Sources
The sources screen has a button for selecting rates from On-Board Inputs or Communication Inputs, and a display of
the current logging Bandwidth used. As more items are logged, the bandwidth, or number of bytes per second the unit
must transmit to the memory increases. The maximum bandwidth of the dash is 26,400 bytes per second. It is possible
to select logging rates that exceed the maximum bandwidth. In this case, the percentage at the bottom of the screen will
be greater than 100%. This may result in data loss and is strongly discouraged. If the bandwidth exceeds 100% decrease
the logging rates of some of the devices.
The rates discussed in this section are for logging purposes only and do not affect the dash data display. If a device or
input channel is not setup to log (log rate set to 0x), all of the data will still be available for display in real-time. However,
that data will not be visible during log playback on the dash or when viewing the stored data logs.
4.2.7.1.1 On-Board Inputs
The On-Board Inputs data log selection screen includes the data log rates for the eight analog inputs, the two speed inputs,
and other pertinent dash data. The other dash data includes PWM outputs, battery voltage, dash internal temperature, and
boost control parameters. The On-Board Inputs can be logged at different rates for each channel. For example, Analog
Input 1 can log at 100 times per second while Analog Input 2 logs at 10 times per second. This allows fast changing
inputs such as boost or shock position to be logged at a fast rate while bandwidth is not lost on slow reacting inputs such
as coolant temperature which can be logged at 5 or 10 times per second.
The eight analog inputs appear on the top half of the screen, followed by the 2 speed inputs, and dash data. The number
next to each channel is the logging rate. The x next to the number means times per second.
To change the rate at which a device is logged, touch the number, such as 100x, next to the channel. A menu will appear
to select the new rate. Select the desired rate and press Done. The desired rate will be stored in the unit when it returns
to the Main Menu. A rate of 0x means the device will not be logged.
4.2.7.1.2 Communication Inputs
For a communication device to be logged it must be fi rst selected under the Communications button from the Main
Menu. This includes both CAN and RS232 devices. If a device is not selected as an input device, it will not appear on the
Communication Input Logging Rates screen. The Communication Inputs rates are set at the device level. Therefore, if a
communication device is setup to log at 25 times per second, it will log all the data provided in the data stream from that
device at 25 times per second. The logged data will include data not specifi cally selected under Display Data. To change a
logging rate touch the number next to the communication device. A menu will appear with the available logging rates. The
maximum logging rate is determined by the communication device. If the device only outputs data 10 times per second,
the maximum logging rate will be 10 times per second. Select the desired rate and press Done. The desired rate will be
stored in the unit when it returns to the Main Menu. A rate of 0x means the device will not be logged.
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