8
6. Installation
1. The dry contact sensor (R718J) has a built-in magnet (as
Figure 1 below), which can be attached to the surface of an
iron object during installation, which is convenient and quick.
In order to make the installation firmer, please use screws
(purchased separately) to fix the device to the wall or other
surface. (as Figure 2 below)
Note: Do not install the device in a metal shielded box or in
an environment surrounded by other electrical equipment to
avoid affecting the wireless transmission of the device.
2.
After the dry contact sensor detects the change of the
dry contact state, it will report the data immediately.
3.
If the battery voltage is detected that exceeds the
change value during Min Time, the data will be reported
immediately.
4.
Whether the state of the dry contact is change, a
piece of data will be reported regularly when the
MaxTime comes.
Note:
When the dry contact is connected, the data status bit is
“1”.
When the dry contact is disconnected, the data status bit
is “0”.
Dry contact sensor (R718J) can be used in the following
scenarios:
⚫
Various switches and buttons
⚫
Dry contact output of sensor
⚫
The operating status of the equipment
⚫
State monitoring of doors and windows in home or
business
The occasion is necessary to judge the state of the sensor
through the dry contact signal.
A diagram that the dry contact sensor (R718J) connecting to a wired smoke sensor.
Dry contact sensor
(R718J)
External power
supply
DC24V+
1
Wired smoke sensor
2
3
4
Dry contact
DC24V-
