I/O pins
The CTratio has two digital pins which can be programmed as outputs (digital) or as inputs (digital or analog)
using the CompactConnect software. The following functions are available:
Function
Digital Alarm
Valid LO
Valid HI
Hold ‗/¯
Hold ¯\‗
Slope external
Emiss. external
0,8 V
High level:
0,8 V
Low level:
22
I/O pin acts as
output digital
input digital
input digital
input digital
input digital
input analog
input analog
optris CTratio – E2013-04-A
Description
Open collector output/ definition as HIGH- or LOW alarm via
norm. open/ norm. close options in software dialog.
The output follows the object temperature as long as there is
a Low level at the I/O pin. After discontinuation of the Low
level the last value will be held.
The output follows the object temperature as long as there is
a High level at the I/O pin. After discontinuation of the High
level the last value will be held.
The last value will be held if there is a signal with a rising
edge on the I/O pin.
The last value will be held if there is a signal with a falling
edge on the I/O pin.
The slope value can be adjusted via a 0-10 V signal on the
I/O pin (scaling possible via software).
The emissivity value can be adjusted via a 0-10 V signal on
the I/O pin (scaling possible via software).
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