LonHand Series product user manual
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Jinan USR IOT Technology Limited
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GND terminal of Input ports, another terminal connects to one of 3 input ports.
Schematic diagram is shown as bellow.
Fig.5 Schematic diagram
USR-WIFIIO-83 has 8 outputs, the live line or positive terminal of your device
connects to one of the 8 outputs whose internal circuit connects to the live line of
external voltage source, the null line or ground of your device connects to the null line
of external voltage source. Your device can be powered on or off by switching on or
off relays by remote control. The switch states can be detected by USR-WIFIIO-83
when the switches connect to input ports. You can define the real device the switch
represents (for example alarm).
There are two types of applications, one is local area network application, as shown
in Fig. 6; another is internet application as shown in Fig.7. We will focus on these two
types of applications in the following sections.
