optris CTratio
– E2013-04-A
18
Electrical Installation
Cable Connections
For the electrical installation of the CTratio please open at first the cover of the electronic box (4 screws).
Below the display are the screw terminals for the cable connection.
Designation
+8..36VDC
Power supply
GND
Ground (0V) of power supply
GND
Ground (0V) of in- and outputs
I/O 2
I/O pin 2 (digital In- /Output or
analog input)
I/O 1
I/O pin 1 (digital In-/ Output or
analog input)
OUT-mV/mA
Analog output object temperature
(mV or mA)
Opened electronic box with terminal connections
Power supply
Please use a power supply unit with an output voltage of
8
–36 VDC
which can supply
200 mA
. The ripple
should be max.
200 mV
.
CAUTION: Please do never connect a supply
voltage to the analog outputs as this will destroy
the output!
The CTratio is not a 2-wire sensor!
