
QD1 IO Expansion Module User Manual
22 Document Version V3.0 (2020-08-18)
Figure 3-7 Extended installation of daughterboards
Single board (motherboard) has a maximum output current of 3.2
A (200 mA per channel, 16 channels in all); upon expansion,
installed daughterboards need to be independently powered (with
a total output current of 3.2 A for 16 channels per daughterboard,
and the motherboard does not provide this output) via SCSI
interface; up to 6 daughterboards can be installed and all must be
powered independently.
3.3.3 Installation of communication cable
Step 1
Installation of network cable
1.
Install a communication cable according to Section 2.1 Communication
networking.
2.
Insert the communication cable into the RJ45 port of QD1, as shown in
Figure 3-8: