ChemoMetec SCC-100 - Manual (Page 13)

1
Warnings and precautions
Wherever the symbol appears on the NucleoCounter instrument, it indicates that the
manual must be consulted for precautions and warnings.
Power and cables
Use the shielded USB and printer cables supplied by ChemoMetec A/S to ensure that you
maintain the appropriate EMI classification for the intended environment.
The USB interface connector of the NucleoCounter must only be connected to SELV
circuits. External computing devices connected to the USB interface connector of the
NucleoCounter has to comply with the standards, UL 1950 and IEC/EN 60950.
Table 1. Description of the NucleoCounter USB interface connector
The USB interface connector of the NucleoCounter must only be connected to SELV
circuits. External computing devices connected to the USB interface connector of the
NucleoCounter has to comply with the standards, UL 1950 and IEC/EN 60950.
Use the shielded printer cable supplied by ChemoMetec A/S to ensure that you maintain
the appropriate EMI classification for the intended environment.
The printer interface connector of the NucleoCounter must only be connected to the
printer supplied by ChemoMetec A/S. External computing devices connected to the
printer interface connector of the NucleoCounter has to comply with the standards, UL
1950 and IEC/EN 60950.
1 In normal operation mode (refers to Pin no 4)
Pin no. Name
Maximum
Voltage level 1
1 +5V +5 VDC
2 D- +3.5 VDC
3 D+ +3.5 VDC
4 DGND 0 VDC
Metal
enclosure
Shield
(connected
to DGND)
0 VDC