10
B I O -TE STE R R E X6 4 0
Q U I C K O P ER AT I O N G U I D E
3. Using BIO-Tester Relion® REX640
See the BIO-Tester Relion® REX640 User Manual for more information on using BIO-Tester.
Select IED test mode. The test mode can be activated via
REX640 LHMI.
Testing binary inputs:
• Select the correct rated voltage by adjusting the
potentiometer.
• Set the input supply voltage level above the set value of
the binary input’s threshold voltage.
• The supply voltage level can be adjusted between
12…200 V DC.
On the REX640 LHMI
Testing and Commissioning
page,
select
View I/O
.
