ChemoMetec SCC-400 - Manual (Page 13)

Warnings!and!precautions!
xiii!
Warnings,and,precautions,
Whenever!the! ,symbol!appears!on!the!NucleoCounter!SCC0400!instrument,!it!indicates!
that!the!manual!must!be!consulted!for!precautions!and!warnings.!
Power,and,cables,
Use!the!shielded!USB!cable!supplied!with!the!NucleoCounter!SCC0400!to!ensure!that!
appropriate!EMI!classification!is!maintained!for!the!intended!environment.!
,The!USB!interface!connector!of!the!NucleoCounter!SCC0400!must!only!be!connected!to!
SELV!circuits.!External!computing!devices!connected!to!the!USB!interface!connector!of!the!
NucleoCounter!SCC0400!has!to!comply!with!the!standards,!UL!1950!and!IEC/EN!60950.!
,,Table,1,Description,of,the,NucleoCounter,USB,interface,connector,
!
!
NucleoCounter!SCC0400!is!powered!by!an!external!24VDC!power!supply.!For!safe!use,!
please!follow!the!instructions!for!connecting!the!power!supply.!
,The!NucleoCounter!SCC0400!shall!only!be!used!with!an!external!power!supply!
purchased!at!ChemoMetec!A/S.!
,The!detachable!DC!power!supply!cord!set!and!appliance!inlet!of!the!external!power!
supply!are!considered!as!the!disconnecting!device.!
,The!mains!supply!cord!and!plug!of!the!external!power!supply!shall!comply!with!any!
national!regulations.!
,The!user!should!be!made!aware!of!that,!if!the!NucleoCounter!SCC0400!and!the!
external!power!supply!are!used!in!a!manner!not!specified!by!the!manufacturer,!the!
protection!provided!by!the!NucleoCounter!SCC0400!and!the!external!power!supply!may!be!
impaired.!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
1 !In!normal!operation!mode!(refers!to!Pin!no!4)!
Pin!no.! Name!
Maximum!
Voltage!level 1 !
1! +5V! +5!VDC!
2! !!D0! +3.5!VDC!
3! !!D+! +3.5!VDC!
4! !!DGND! 0!VDC!
Metal!
enclosure!
Shield!
(connected!
to!DGND)!
0!VDC!