Zennio ZN1IO-DETEC User manual

Motion Detector
Motion Detector with Luminosity Sensor
ZN1IO-DETEC / ZN1IO-DETEC-N / ZN1IO-DETEC-P / ZN1IO-DETEC-X
USER MANUAL
User Manual Version: [0.3]_a
www.zennio.com

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Contents
Document updates........................................................................................................................ 3
1 Introduction .......................................................................................................................... 4
1.1 Zennio Motion Detector................................................................................................ 4
1.2 Models and Supported Devices .................................................................................... 5
2 Installation............................................................................................................................. 6
2.1 General Installation....................................................................................................... 6
2.2 Connecting the detector to the device ......................................................................... 8
2.3 Connecting multiple parallel detectors......................................................................... 8
3 ETS Parameterisation .......................................................................................................... 10
3.1 Input ............................................................................................................................ 10
3.2 Channels ...................................................................................................................... 12
3.2.1 Detection ............................................................................................................ 15
3.2.2 No Detection....................................................................................................... 16
3.2.3 Channel Lock....................................................................................................... 16
3.2.4 Restricting the Sendings Depending on the Luminosity..................................... 18
3.2.5 Forced States ...................................................................................................... 23
3.2.6 External Motion Detection ................................................................................. 24
3.3 Presence Detection ..................................................................................................... 26
3.3.1 Master................................................................................................................. 27
3.3.2 Slave.................................................................................................................... 30
3.3.3 Practical Example................................................................................................ 32
List of examples
Detection States.......................................................................................................................... 12
Length of the Detection ............................................................................................................. 13
Luminosity-Constrained Detection ............................................................................................. 19
Luminosity Reset ......................................................................................................................... 20
Luminosity Reset (delayed)......................................................................................................... 20
Presence Detection ..................................................................................................................... 28

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DOCUMENT UPDATES
Version
Changes
Page(s)
[0.3]_a
New option to send multiple objects on Detection / No
Detection and Occupied / Not Occupied events. 15, 26
Optimisation and clarification of the Forced States function. 23
Optimisation of the presence detection algorithm. Distinction
between door opening and door closing.26 - 31
Presence detection: new day/night object. 27, 29
Presence detection: new occupancy state object. 28
Presence detection: customisable trigger values. 28, 31

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1INTRODUCTION
1.1 ZENNIO MOTION DETECTOR
The Zennio Motion Detector is an optional accessory that, connected to any Zennio
device equipped with inputs, permits detecting motion (e.g., moving subjects) in the
environment of the room where it is installed, by means of the built-in infrared
technology.
In addition to the binary motion detection (yes / no), a function for measuring the
luminosity has been incorporated, which makes it a very versatile accessory.
Finally, it brings the option to notify the KNX bus about errors in the connection or in
the detector itself, through the Short-Circuit / Open Circuit functions.
Important: the ZN1IO-DETECT-X model does not include the function of the luminosity
measurement. The rest of functionality is equivalent to the model ZN1IO-DETEC-P.
Note: on certain Zennio devices the luminosity measuring function has not been
implemented in software and therefore will not be available even if the model of the
detector connected to the device (e.g., ZN1IO-DETEC-P) does incorporate such
function. In those cases, the corresponding device user manual (available at
www.zennio.com) will notify about it. Please note that the present user manual
assumes it to be available, and therefore some options will not apply to certain devices.
Figure 1. Zennio Motion Detector

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1.2 MODELS AND SUPPORTED DEVICES
The Zennio Motion Detector is marketed as an optional accessory for the variety of
Zennio devices equipped with inputs and whose application program is specifically
compatible with the Zennio motion detector.
The user manuals of the Zennio devices specifically make reference to this
functionality, so please refer to them to confirm whether a particular device is
compatible with the motion detector or not. Moreover, the behaviour and the options of
the motion detection function may differ slightly depending on the Zennio device it is
connected to. Therefore, the user manual of the motion detector has been
particularised for each device. To access the documentation, it is highly recommended
to make use of the links provided at the Zennio homepage (www.zennio.com) within
the specific section of the particular device being configured.
On the other hand, the Zennio motion detector is marketed under different reference
numbers:
Type A:
ZN1IO-DETEC,
ZN1IO-DETEC-N.
Type A and Type B (switchable):
ZN1IO-DETEC-P.
ZN1IO-DETEC-X (identical to the above one, but with no luminosity sensor).
Note that ZN1IO-DETEC-P and ZN1IO-DETEC-X can work under two different voltage
modes, noted as “Type A” and “Type B”. This is possible by means of a specific mode
selection micro-switch (see section 2.1), which should be configured according to the
particular Zennio device the detector is being connected to.
For information about the type (A or B) that applies to each Zennio device, please refer
to its Datasheet (available at www.zennio.com) or contact the Zennio Technical
Support.

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2INSTALLATION
2.1 GENERAL INSTALLATION
The Zennio Motion Detector needs to be connected to any of the available input ports
of the Zennio device (please refer to the specific user manual of the target device for
further details).
Once connected to the device, the detector needs no further electrical power; it will be
ready to function once the Zennio device gets programmed.
Figure 2. Element Diagram (models ZN1IO-DETEC and ZN1IO-DETEC-N)
Figure 3. Element Diagram (models ZN1IO-DETEC-P and ZN1IO-DETEC-X)
Figure 2 and Figure 3 show the main elements of the device:
LED Indicator (A): LED light that will blink in red colour when motion is
detected.
The luminosity levels are obtained from the light that strikes this hole.
Detection Cell (B): cell for the motion detection.
A. LED Indicator.
B. Detection Cell.
C. Connection Terminal.
D. Double Microswitch.
E. Metal Clamp.
A
B
C
D
E
A
B
C
D
E
A. LED Indicator.
B. Detection Cell.
C. Connection Terminal.
D. Triple Microswitch.
E. Metal Clamp.

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Connection Terminal (C): slot for inserting the device connecting cables.
Double/Triple Micro-switch (D):
Models ZN1IO-DETEC and ZN1IO-DETECT-N
These two switches enable or disable the luminosity measurement (switch
#1) and the blinking of the LED on the detection of motion (switch #2).
LUM On
LED On
LUM Off
LED Off
LUM On
LED Off
LUM Off
LED On
Figure 4. Positions of the Double Micro-Switch
Models ZN1IO-DETEC-P and ZN1IO-DETEC-X
These switches allow enabling or disabling the luminosity measurement
(switch #1; only functional in model ZN1IO-DETEC-P) and the blinking of
the LED on the detection of motion (switch #3). Switch #2, on the other
hand, allows selecting the Type A or Type B working modes, depending on
the Zennio device the detector is being connected to.
LUM On
Type A
LED On
LUM Off
Type A
LED Off
LUM On
Type A
LED Off
LUM Off
Type A
LED On
LUM On
Type B
LED On
LUM Off
Type B
LED Off
LUM On
Type B
LED Off
LUM Off
Type B
LED On
Figure 5. Positions of the Triple Micro-Switch
Important: please refer to section 0 for information about the differences
between all the models and their compatibility with the different Zennio
devices.
Metal Clamps (E): spring clamps that help secure the detector after the
installation.

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It is possible to accommodate the motion detector in the false ceiling of the room by
drilling a 40-mm diameter corona and inserting the detector (previously connected to
the device) with its metal clamps folded (see section 2.2).
For installation tips and suggestions, it is also important to review the “Installation”
technical note, available at the Zennio homepage (www.zennio.com).
2.2 CONNECTING THE DETECTOR TO THE DEVICE
Figure 6. Connection to the Device
During the connection of the detector to the device, the terminal labeled as “I” on the
detector side needs to meet the desired input slot (1, 2, etc.) on the side of the target
device, while the terminal labeled as “C” on the detector plug should be connected to
the common input slot (identified as well as “C”) in the target device.
2.3 CONNECTING MULTIPLE PARALLEL DETECTORS
It is possible to connect multiple parallel detectors (typically two, but may be more
depending on the model) to the same input port of the device, so that a wider
detection area is covered, while both detectors still work (and are configured) as if
they were only one detector, which does not apply when two input ports are used.
Important: please refer to the datasheet of the motion detector for the maximum
number of them that can be connected in parallel to the same input.
Figure 7 illustrates this type of assembly, with one of the two wires of each detector
(the one labeled as “I”) connected to a particular input of the device and the remaining
two wires (labeled as “C”) connected to the common input port.

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However, under this set-up it is mandatory that the luminosity measuring function is
not active in more than one detector (see section 2.1). Otherwise the measurements
sent by the detectors may interfere each other.
Figure 7. Connecting Two Parallel Detectors
Note: Zennio devices compatible with the motion detector typically provide the option
to enable multiple virtual detection channels, which makes it possible to simultaneously
implement a variety of reactions and behaviours, although all of them associated to a
sole input value. The number of the available virtual channels is not related at all with
how many detectors are connected. Moreover, from the hardware point of view,
multiple detectors connected to the same input are considered as only one detector.
For detailed information about the technical features of the motion detector, as well as
on security and installation procedures, please refer to the device Datasheet, bundled
within the device packaging and also available at www.zennio.com
For installation tips and suggestions, it is also important to review the “Installation”
technical note, available at the same address.
Important: the next sections of this manual refer to different functions related to the
measurement of the luminosity. Please ignore all them for model ZN1IO-DETEC-X.

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3ETS PARAMETERISATION
3.1 INPUT
Once the corresponding input of the device has been configured to work as a motion
detector (please refer to the user manual of the device itself for further details), the
“Configuration” tab shows up. Figure 8 illustrates this.
Moreover, a set of communication objects are available by default:
[Ix] Short Circuit Error: 1-bit object that will notify the KNX bus (by sending
a “1” every 30 seconds) about short-circuit events in the detector wiring or in
the detector itself. Once solved, the value “0” will be sent (once) through the
same object.
[Ix] Open Circuit Error: 1-bit object that will notify the KNX bus (by sending
the value “1” every 30 seconds) about open-circuit events in the detector
wiring or in the detector itself. Once solved, the value “0” will be sent (once)
through the same object.
[Motion Sensor] Scene Input: 1-byte object through which it will be possible
to receive scene values (0 – 63, both included) from the bus.
[Motion Sensor] Scene Input: 1-byte object through which it will be possible
to send scene values (0 – 63, both included) to the bus.
Note: object names may differ slightly depending on the input port where the motion
detector has been connected.
Figure 8. ”Configuration” Tab
The following parameters are available in the Configuration tab:

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Number of sensors connected to the input: sets the number of sensors
(one or two) connected to the same input, in order to adequately calibrate the
luminosity and detection readings. Please see section 2.3 for more details.
Luminosity Sending: activates or deactivates the option to periodically send
the luminosity level to the KNX bus (in terms of percentage, through object
“[Ix] Luminosity”). If checked, the following parameters show up:
Period: period for sending the luminosity level to the bus, between 0 and
255 seconds. If set to 0, the periodical sending remains disabled.
Luminosity change to send: sets a certain increment (in percentage) so
that when two consecutive readings of the luminosity are found to differ by
more than such value, an extra sending of the luminosity to the bus will
take place. If set to “0”, this type of transmission is disabled.
Figure 9. Luminosity Sending
As stated, the luminosity level is sent through the “[Ix] Luminosity” 1-byte
object. The higher the light level detected in the room is, the greater the value of
this object will be.
Note: bear in mind that during continuous motion detection, the value of the
luminosity level may take a little more time to update, as both signals
(detection and luminosity) share the same input port of the device.
Figure 10. Luminosity Readings during Motion Detection Events.
motion
motion

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Channels 1-X: activates or deactivates the different virtual detection
channels. Every channel will work independently, which makes it possible to
set different parameters (delays, thresholds, etc.) and different parallel
reactions to the readings sent by a sole physical detector.
Presence Detector: activates or deactivates the presence detection function.
3.2 CHANNELS
Each input allows enabling up to three motion detection channels. These channels
share the same hardware status, i.e., they read the same information about motion,
luminosity and errors in the input. However, each of them can have a different
configuration in relation to:
Motion detection conditions,
Values sent when entering the “Detection” and “No Detection” states.
Channel lock.
Basically, the channel will switch to the “Detection” state when a motion detection
signal is received from the sensor and to the “No Detection” state when such signal is
no longer received.
It will be possible to define a Detection Length and a Blind Time to ensure the
channel remains in the new state for at least a certain time, after which it will listen
again to the signal received from the sensor. The following example illustrates this.
Example: Detection States.
The graph below shows the following succession of events:
At t1, the sensor activates the motion signal. The channel switches then to the
“Detection” state and sends a “1” through “[Ix][Ci] Detection State”, making for
example a lamp turn on.
At t2, motion is no longer detected; however the channel remains in “Detection”
and starts counting the parameterised Detection Length time (T1).

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At t3, the channel switches to “No Detection” and sends a “0” (making the lamp
turn off). After that, it starts counting the parameterised Blind Time (T2).
Although at t4the sensor starts reporting motion again, the channel does not
switch to “Detection” until T2ends, that is, until t5.
At t6the sensor stops reporting motion, so the channel starts a new Detection
Length count.
At t7, before T1concludes, motion is reported again, so the count for the Detection
Length is interrupted, remaining the channel in “Detection” without having switched
to “No Detection” between t6and t7.
Figure 11.Channel Detection States vs. Motion Signal
When a channel is enabled, ETS displays a new tab (“Channel i”), which is divided into
several parts.
Figure 12. Channel Configuration
The upper parameters of this tab basically define the aforementioned delays:
t
1
t
2
t
3
t
4
t
5
t
6
t
7

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Length of Detection: sets the minimum time that should elapse without any
motion before the channel switches to the “No Detection” state. Further
motion events will interrupt this countdown. The range is 1 to 255 seconds, 1
to 255 minutes and 1 to 18 hours.
Example: Detection Length.
One MAXinBOX 66 and one motion detector are being used to turn on/off a light
source (which is connected to a KNX light dimmer) depending on whether motion is
being detected or not in the room.
If the detection length is set to 5 seconds, as soon as the detector finds moving
subjects in the room, MAXinBOX 66 will send the “Detection” value to the dimmer, so
that the light source turns on. After five seconds without detecting motion again (even if
the subject is still in the room), MAXinBOX 66 will send the “No Detection” value to the
dimmer, so the light source turns off.
On the other hand, if a 60-second detection length is parameterised, the light will
remain on at least for 60 seconds, as 60 seconds of no detection are necessary before
sending the “No Detection” value. The greater the detection length is, the more
evidence that the subject is not in the room is required before turning the lights off.
Blind Time: sets the time margin during which the channel will remain
inactive whenever it enters the “No Detection” value. This ensures that the
“No Detection” state is maintained at least during that time interval, even if
there is motion in the room, which will be ignored by the channel. The range
is 1 to 255 seconds, 1 to 255 minutes and 1 to 18 hours.
Reset Luminosity after No Detection: enabling this parameter will set the
“[Ix] Luminosity” object to 0% whenever the channel leaves the “Detection”
state and enters the “No Detection” state. There is also the option to
configure a delay.
Reset Delay:imposes a delay before resetting the value of the luminosity
object. The range is 0 to 60 seconds.
This parameter is useful when combined with the Luminosity-Constrained
Detection function. Therefore it is advisable to read the examples about such
function in later sections of this manual.

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3.2.1 DETECTION
These parameters configure what the device should send to the bus when the channel
enters the Detection and No Detection states:
A binary value,
A scene,
A scaling (percentage) value,
An HVAC mode,
Any combination of the above cases.
The same parameters are available for Detection and No Detection (however their
defaults may be different).
Figure 13:“Channel I” – detection function
Binary Value: enables or disables the sending of a binary value (either “On”
or “Off”, according to parameter Value) through object “[Ix] [Ci] Detection
Status (Binary)”.
Scene: enables or disables the sending of a scene trigger value (1 to 64,
according to parameter Value) through object “[Ix] [Motion Detector] Scene
Output”.
Scaling: enables or disables the sending of a scene trigger value (1 to 64,
according to parameter Value) through object “[Ix] [Ci] Detection Status
(Scaling)”.

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HVAC Mode: enables or disables the sending of an HVAC special-mode
trigger value through object “[Ix] [Ci] Detection Status (HVAC)”. The desired
HVAC mode can be set through parameter Value, which provides the
following options:
HVAC Mode Object Value
Comfort 1
Standby 2
Economy 3
Building Protection 4
Table 1. HVAC Modes
Sending Mode: sets whether the above values should be sent “Once” or be
“Cyclic”. In case of selecting the latter, one more parameter will show up:
Period: 1 to 255 seconds, 1 to 255 minutes, 1 to 18 hours.
Delay: sets the time that the device should wait before sending the values to
the bus, once the channel enters the Detection state. The available values
are 0 to 255 seconds, 0 to 255 minutes and 0 to 18 hours.
3.2.2 NO DETECTION
The options are analogous to those for Detection (section 3.2.1). The values will be
sent through the same objects in both cases (Detection and No Detection).
3.2.3 CHANNEL LOCK
While the channel remains locked, any further sendings to the bus related to that
channel will be interrupted, no matter if motion detections take place or not. It is
possible to start or end the lock state through a binary object (“[Ix][Ci] Lock”) or a
scene object (“[Ix][Motion Detector] Scene Input]”).
The parameters available for this function are:

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Figure 14: Channel – lock function.
Enable / Lock: sets how to activate or deactivate the channel lock.
Always Unlocked: the channel will always remain active.
Lock using 1-bit Object: the channel will switch from active to inactive (or
vice versa) according to the value received through the “[Ix][Ci] Channel
Lock” object.
Figure 15. Lock using 1-bit object
Selecting this option also requires setting the following parameters:
oConfiguration: sets the value (0 / 1) that will switch the channel to
unlocked and the value that will switch it to locked. The options are
“0 = Unlock; 1 = Lock” and “0 = Lock; 1 = Unlock”.
oTime to Unlock: sets a delay between the reception of the value
and the actual re-activation (unlock) of the channel. The available
range is 0 to 255 seconds.
oInitial Status (after reset): sets the lock or unlock state of the
channel at the device start-up or after a bus power failure: “Last
state”, “Unlocked”, “Locked”. On the very first start-up, the last state
is assumed as unlocked.

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oSend when unlocking: sets a value to be sent to the bus once the
channel switches to the unlocked state, to notify that the detection
process is being resumed. “Nothing”, “No detection”, “Detection”.
The last two correspond respectively to the values (binary, scene,
etc.) set for “Detection” and “No Detection”, as explained in 3.2.1.
oSend when locking: analogous to the above parameter; sets the
value to be sent to the bus when the channel becomes locked.
“Nothing”, “No detection”, “Detection”.
Lock using the Scene: the channel will switch between the unlocked and
locked states according to the values received through the “[Motion
Sensor] Scene Input” object.
Figure 16. Lock using the Scene
Selecting this option also requires setting the following parameters:
oScene to Unlock: sets the scene number (between 1 and 64) that
will activate the channel.
oScene to Lock: sets the scene number (between 1 and 64) that will
deactivate the channel.
oTime to Unlock,Initial State, Send when Unlocking and Send
when Locking: these parameters are analogous to those already
described for “Lock using 1-bit object”.
3.2.4 RESTRICTING THE SENDINGS DEPENDING ON THE LUMINOSITY
The following parameters allow restricting the behaviour of the channel according to
the luminosity readings:

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Restricted by Luminosity: if enabled, the value corresponding to “Detection”
will only be transmitted to the bus in case the luminosity level during the
detection is lower than a certain threshold level.
Note: the value corresponding to “No Detection” will always be sent, no
matter if the luminosity level is over the threshold value or not.
Enabling this option requires setting the following parameters as well.
Threshold: luminosity percentage over which the channel will stop
sending detections.
Send No Detection when the Threshold is Exceeded?: if enabled, the
“No Detection” value will be sent to the KNX bus as soon as the luminosity
is found over the threshold value.
Figure 17. Detection restricted by luminosity
Important: parameterising inadequate threshold values may cause an
undesired behaviour of the device.

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Example: Luminosity-Constrained Detection
A source of artificial light needs to be switched on or off depending on whether there is
motion or not in the room and on the available sunlight. Thus, a Luminosity-
Constrained Detection is configured, with a threshold value of 50% and with the “Send
no detection when the threshold is exceeded” option active.
1) At night, the luminosity level stays at 10%.
2) Motion is detected at 6:00h am. The light source turns on as luminosity < 50%,
causing a rapid increase of the luminosity, which keeps rising due to the sunrise.
3) Further motion is detected every few seconds, so the light source remains on.
4) At 6:30h, after the dawn, the luminosity level is already about 60%. Therefore, the
artificial light source turns off (“No Detection” is sent as the threshold value has
been exceeded) and therefore the level lowers to 55%.
5) The light source remains off no matter if there are still moving subjects in the room,
as the luminosity is in any case over the threshold value (55%).
It becomes clear that the essence of this example (where “No Detection” has been
configured to be sent after exceeding the threshold value) consists in setting a
threshold value which is greater than the luminosity level provided by the natural
sunlight (here, 55%) and in ensuring the artificial light source itself does not cause
(during the absence of the sunlight) a luminosity level greater than such value, either.