Infinite Peripherals SCOM-100 Manual de usuario Pagina 37

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SCOM-100, User guide 37
ALH: Alarm high limit in physical units
(number in the range of SCL to SCH
with one optional decimal digit.
Example: ALH = 121.5)
u: Physical unit (0-15 characters)
d: Delay time in seconds (0-65535)
For example let us explain all the different parameter
settings to use a 4-20mA, 0-10 bar pressure sensor wired
on analog input 2 on the main unit (See section 2.4.2).
The pressure sensor characteristic is shown in the
diagram below:
The 4-20mA input signal is converted by the internal A/D
converter in the digital raw range of 819 to 4095.
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