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Titan CPU Channel Mul plexer - Opera on
Electrosta c Discharge
Electrosta c Discharge (ESD) occurs when a sta c charge builds up on either
yourself or the Titan hardware, and then you touch the Titan hardware.
The sta c spark can be so small that you don’t feel it, however, it can fl aw a
semiconductor. These fl aws may generate an immediate failure, or, in most
cases, cause a slight reduc on in performance which will con nue to degrade,
eventually leading to failure of the hardware. When you feel a sta c shock, you
are experiencing a minimum of 3,000 volts of electricity.
Even though the input connectors have protec on to prevent ESD damage,
it is good prac ce to always ground yourself and the Titan hardware while
connec ng and removing sensors.
Always use approved ESD handling procedures to prevent ESD damage.
Grounding Titans
In general, grounding the Titan hardware to the test vehicle or test structure
will usually reduce noise pickup.
All of the analog inputs of the Titan hardware have a return path to ground.
However, it is very important that each sensor have only one return path to
avoid ground loops. When tes ng a vehicle, o en the vehicle chassis and Titan
can have very large ground imbalances of one or two volts. In such situa ons,
ground the sensors to Titan and use diff eren al inputs across the sensor. A
totally fl oa ng input (like a 9-Volt ba ery) must have one side grounded at the
point where used, either grounded to Titan or connected to the vehicle chassis
ground via a resistor (e.g. 10K ohm).
If there is a possibility that a fl oa ng sensor may be occasionally grounded,
install a 10K ohm resistor from the minus input to Titan ground. When the
sensor is fl oa ng, the 10K ohm resistance will reference it to Titan ground,
and when it is grounded, the resistor will allow the direct minus input wire to
reference the remote chassis ground.
Specifi c Warnings
Always connect the Titan Power Adapter to the Titan CPU
before
applying
power. Never hot plug a Titan CPU under any circumstances as hot plugging
may damage the device!
General Guidelines and Warnings
Содержание CPU04
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