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Chapter 2 Hardware Installation
RDU501 Intelligent Monitoring Unit User Manual
1
2
1
2
1.
Anti-breakaway kit
2. One end of power cord
Figure 2-3 Anti-breakaway kit of power supply
2.
After ensuring that the connection is correct, plug the other end of the power cord into the power supply.
Note
The RDU501 main unit provides dual backup power supply, which can be either one-way or two-way. Input voltage: 100Vac to
240Vac, frequency: 50/60Hz.
2.3 Install Accessories of Expansion Card and Sensor
Note
The EXP8COM/EXP8DIAI/EXP8DOAO/EXP2DI6DO expansion card and SFP module are optional accessories, and users can
choose whether to purchase or install.
2.3.1 Install expansion card
The expansion cards include EXP8COM, EXP8DIAI, EXP8DOAO and EXP2DI6DO. The installation procedures are
as follows:
Remove the baffles of the expansion slots (Slot1, Slot2, Slot3, or Slot4) on the front panel of the RDU501. Insert the
expansion card into the expansion slot of the RDU501 and tighten the screws on both sides, as shown in Figure 2-4.
1.
expansion card
2. screw
Figure 2-4 Installation of expansion card
2.3.2 Install intelligent sensors
The intelligent sensors include: IRM-S01T intelligent temperature sensor (IRM-S01T), IRM-S02TH intelligent
temperature and humidity sensor (IRM-S02TH), IRM- S04DI Phoenix Interface Intelligent Digital Input Sensor (IRM-
S04DI for short), IRM-S04DIF RJ45 Interface Intelligent Digital Input Sensor (IRM-S04DIF) and IRM-S04DO Phoenix
Interface Intelligent Digital Output Sensor (IRM-S04DO) , as shown in Figure 2-5.
