User's Manual

Table Of Contents
ADAM-2000 Series User Manual 10
1.5 Wiring & Connections
This section provides basic information of wiring the power supply, I/O units, commu-
nication units, and network connection.
1.5.1 Power Supply Wiring
You can choose power supply type with 3 type: USB port, RS-485 port, battery for
ADAM-2520Z gateway, other devices can use RS-485 or battery to get power.
When you want to set up ADAM-2520Z gateway, please see as a wireless receiver to
use USB or RS-485 to do data transfer between router or end-device.
1.5.1.1 External Power Input
Although the ADAM-2000 systems are designed for a standard industrial unregulated
24 V
DC
power supply, they accept any power unit that supplies within the range of
+10 to +30 V
DC
. The power supply ripple must be limited to 200mV peak-to-peak,
and the immediate ripple voltage should be maintained between +10 and +30 V
DC
.
Screw terminals +Vs and GND are for power supply wiring.
Figure 1.8 Power Wiring Diagram
Note! On the base of the ADAM-2520Z, if you want to receive power from the
USB port move the switch to left, if you want to get power from RS-485,
move the switch to the right. Do this before plugging in the cable.