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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.
1
2
Wired smoke sensor
3
4
A diagram that the dry contact sensor (R718J) connecting to a wired smoke sensor.
DC24V+
External power
DC24V-
supply
Dry contact
9
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.
Dry contact sensor
(R718J)
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