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1.5.1.2
ADAM-2520Z Basic Configuration with USB Power Supply
To use the USB cable as a power supply from a PC, connect the T Type USB con-
nector to the computer and the other end (USB Type B) to the ADAM-2520Z WSN
Gateway.
1.5.1.3
ADAM-2520Z Basic Configuration without USB Power Supply
To power the device via RS-485, the module should be properly configured. See the
diagram below:
1.5.1.4
Battery Power Slot
The ADAM-2000 series can be powered by batteries. Remove the name plate in the
front of the ADAM-2000 series device and install 2 AA Alkaline batteries for backup
power or standard operation (depends on the power consumption of the devices).
The ADAM-2000 is powered by batteries only if the external power is not available.
Note* The batteries will not be charged when using external input power.
1.5.2
I/O Module Wiring
The system uses a plug-in screw terminal block as the interface between I/O mod-
ules and external devices. When connecting external devices to the I/O modules, fol-
lows the guideline below.
1.
The maximum wire diameter allowed for the terminal block is 0.5 mm to 2.5 mm.
2.
Always use an integrity wire.
3.
Keep wires as short as possible.
4.
Use wire trays or wire holders to secure wires.
5.
Avoid running wires close to high energy wiring.
6.
Keep input wiring and output wiring apart.
7.
Avoid any sharp bend to the wires.
8.
Follow the (+) and (-) symbols on the side panel to wire correctly.
1.5.3
Communication Wiring
In a WPAN, only the Gateway needs to connect to a host. The ADAM-2520Z is the
Wireless Sensor Network Modbus RTU Gateway of the ADAM-2000 series and pro-
vides RS-422/485 and USB interfaces to connect to host. Users can choose one of
the interfaces by pushing the switch to RS-422/485 or USB position.
11
ADAM-2000 Series User Manual
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