QD1 IO Expansion Module User Manual
2 Document Version V3.0 (2020-08-18)
Figure 1-3 Economical QD1
1.1 Introduction of components
1.1.1 Modular type
The components of modular QD1 are detailed in Figure 1-4. Modular QD1 (16 In/16
Out) has the same power interface and network ports as modular QD1 (32 In/32 Out).
Figure 1-4 Components of modular QD1
Work LED
(green)
Power
interface
Input
Output
LED for I/O
port status