Revision 3.1
WebRelay
TM
Users Manual
1.4.3 Dual WebRelay
TM
Devices (No Computer Required for Operation)
This configuration is used to control devices remotely without a browser, or to extend a digital signal to a
remote location on the network. A control voltage applied to one unit controls the relay contacts of another
unit at a remote location.
This configuration has may uses. It allows a switch to be placed very far away from the device that it
controls.
For security applications, the switch in the example could be replaced with a sensor, and the device to be
controlled could be a buzzer or chime. A business owner, for example, could set up a sensor at his/her
office and a chime at his/her home. The chime at the home would announce each time the sensor detects
entry to the office (which may be miles away). When the chime indicates office entry late at night, the
business owner can take appropriate action.
Xytronix Research & Design, Inc.
page 8
WebRelay
11
1
Power Supply
(Powers WebRelay)
(5VDC or 9-28VDC)
+5V
D
C
Vin+
Vin-
Switch (or sensor)
In-
In+
+
5V O
ut
IP
Network
Device to be
Controlled
WebRelay
COM
NO
11
1
Power Supply
(Powers WebRelay)
(5VDC or 9-28VDC)
+5V
D
C
Power Source
(For device to be controlled)
Fuse or
Circuit Breaker
Vin+
Vin-
