Norco BIS-1280, User Manual

Page: 17 / 31

BIS-1280 User's Manual
7
Figure 7 12V Power Interface
2.3.6 Port
（
AI
、
DI
、
DO
）
BIS-1280 provides 8xAIanalog data collection circuit
、
8xDI data input and 4x DO output
circuit
，
as shown in Figure 8
，
Figure 9 shows the screen printing of AI
、
AI
、
DO interface
，
1
～
8 indicates the number of channels
，
SG is isolated ground signal. DO output connected to relay
for isolation
，
D1/D2/D3/D4 are the common terminals.
Figure 8 AI
、
DI
、
DO Port
Figure 9 AI
、
DI
、
DO Signal Description