I2773-4.4 en
93
Somat eDAQ
lite
Vehicle Module Usage (bank)
The vehicle bus module usage parameter displays what type of vehicle bus module, if
any, is defined in the current hardware setup.
Input/Output Configuration (bank)
Configure the eight channels on connectors |1-4| and |5-8| as either inputs or outputs.
Configure a line as an input by checking the corresponding box or as an output by
deselecting the corresponding box. The channels on connector |9-12| are input only.
Input Threshold Mode (bank)
Select the desired mode for defining the input threshold limits. Selecting either the TTL
or zero crossing options results TCE assigning specific upper and lower limits.
Selecting the user defined option allows for a user-configurable upper limit.
Input Threshold Limits (bank)
When using the user-defined threshold mode, specify the upper input threshold limit
to determine when an input channel switches from a logical value of TRUE to a logical
value of FALSE and vice-versa. The difference between the upper and lower limits is
fixed at nominal one volt. The maximum upper limit is 4.8 volts and the minimum upper
limit is one millivolt.
The input threshold value assigned for any given bank applies to all input bits for that
bank. Individual input bits in the same bank cannot have different input threshold
values.
NOTE
If a vehicle bus module is connected, the eDAQ
lite
configures bank A with a
2500-millivolt upper input threshold.
Power Voltage (bank)
Select either the nominal 5-volt or nominal 12-volt option as the power output for digital
outputs. Either voltage option can source up to one amp.
NOTE
If a vehicle bus module is connected, the eDAQ
lite
configures bank A with the 12-volt
output power option.
NOTE
The 12-volt option operates correctly only if the input power to the eDAQ is about
14-15 volts. Otherwise, the output is less than 12 volts.
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