Chapter 3
Chapter 3 I/O Modules 3-43
ADAM-4055
Figure 3-34
ADAM-4055 16-channel Digital I/O Module
• Number of Input Channel : 8 (4-channel/group)
• Optical Isolation : 2500 V
DC
• Opto-isolator response time : 25 µs
• Over-voltage Protect: 70V
DC
• ESD (Electro Static Discharge): 2000 V
DC
• Input Voltage:
Dry Contact Logic level 0: Close to GND
Logic level 1: Open
Wet Contact Logic level 1: 10 ~ 50 V
Logic level 0: 3 V
Dry Contact & Wet contact Selectable
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