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"PT50" and "PT100" post-mounted photocells
Warnings
• The installation, testing and set-up of automation devices for doors and gates must be
performed by qualified and experienced personnel who must also determine the type of
tests required based on the risks involved, and ensure that laws, standards and regula-
tions in force are complied with.
• MHOUSE disclaims responsibility for any damage resulting from improper use of the prod-
uct; the only use authorized by the manufacturer is the one described in this manual.
• The packaging materials must be disposed of in compliance with the regulations locally in
force.
• The post-mounted photocells must not be immersed in water or any other liquid sub-
stances. If liquid substances should penetrate inside the device, disconnect the power
supply immediately and call MHOUSE customer service; using the device under these
conditions could be hazardous.
• Do not place the photocells near heat sources or expose them to open flames; this could
damage the device and cause malfunctions, fire hazards or other dangers.
Description and Intended Use
This set of PT50 and PT100 post-mounted photocells is a motion sensor for automatic
gates (D-type according to EN 12453 standard) designed to detect obstacles located on
the optical axis between the transmitter (TX) and the receiver (RX). PT50 is equipped with a
sensitive element located approximately 450 mm from the ground; PT100 is equipped with
2 sensitive elements, the first one at a height of approximately 455 mm and the second at
approximately 915 mm from the ground. PT50 and PT100 may only be used in combina-
tion with MHOUSE control units featuring ECSBus-type connections.
Installation
Warning: disconnect the power supply to the system before performing any installation
operations; if the system is equipped with a PR1 buffer battery, the latter must be discon-
nected.
1. Choose the position of the two elements that make up the photocell (TX post and RX
post); observe the following directions:
• Place the posts on both sides of the area to be protected and as flush with the gate as
possible.
• Make sure that the ground surface is sufficiently compact, enabling the posts to be
secured using the screws and anchors provided; if necessary, you can use other suitable
anchoring systems.
• A conduit for the wires must be provided at the intended installation point in the ground.
• Point the TX transmitter at the RX receiver, with a maximum misalignment of 5°.
2. Remove the upper cap [A] by prising it out with a slotted tip screwdriver (Fig.1).
3. Remove the glass front [B] by pulling and sliding it upwards (Fig.2).
4. Place the base of the post at the point reached by the cable conduit. Mark the drilling
points and drill the holes using a hammer drill fitted with an 8 mm bit. Finally, secure the
post using the 3 screws [C] shown in Fig.3 and the corresponding anchors supplied.
5. Connect the electric cable to the appropriate terminals on the TX and RX units (Fig.4).
From an electrical viewpoint, all the TX and RX elements must be connected to each oth-
er in parallel (Fig.5) and to the "ECSBus" terminal on the control board. It is not necessary
to observe any polarity. To facilitate the above operations you can remove the terminals,
make the connections and then reinsert the terminals.
6. After testing the operation of the device, insert the glass front by sliding it in from the top,
then insert the top cap and press it down hard.
Addressing
To ensure the correct recognition of the photocells by the control unit, the photocells must
be addressed by means of suitable jumpers. Addressing not only ensures their correct
recognition in the ECSBus, but also serves to assign the detection function. The address-
ing operation must be performed on both TX and RX (the jumpers must be positioned alike),
making sure that there are no other pairs of photocells having the same address.
• If the post-mounted photocell is used to replace a pre-existing one, the jumpers must be
set exactly as they were in the old post.
• Any unused jumpers must be stored in their designated compartment for future use
(Fig.6).
• Since every automation system has its own individual characteristics, the photocells can
be positioned at various points to perform different detection functions. Check Fig.7, Fig.8
and Fig.9 to identify the appropriate locations, and position the jumpers as illustrated in
table 1.
SLIDING GATE: MhouseKit SL1 (Fig.7)
SWING GATE: MhouseKit WU2; WK2; WG2 (Fig.8)
GARAGE: MhouseKit GD1; GD2 (Fig.9)
Note: only photocell "A" can be used on automations with MhouseKit GD1.
Technical characteristics
PT50 and PT100 are produced by NICE S.p.a. (TV) I, MHOUSE S.r.l. is an affiliate of the Nice
S.p.a. group.
Nice S.p.a., in order to improve its products, reserves the right to modify their technical
characteristics at any time without prior notice. In any case, the manufacturer guarantees
their functionality and fitness for the intended purposes.
Note: all the technical characteristics refer to a temperature of 20°C.
PT50 and PT100 post-mounted photocells
Type: Post with motion detectors for automatic gate and door openers (type D according
to EN 12453) consisting of pairs of "TX" transmitters and "RX" receivers
Sensitive elements: PT50: No.1, at approx. 450mm from the ground
PT100: No.2, the first at 455mm and the second at 915mm from the ground
Technology adopted: Optical, by means of direct TX-RX interpolation with a modulated
infrared ray
Detection capacity: Opaque objects located on the optical axis between TX and RX,
whose dimensions exceed 50 mm and whose speed is less than 1.6m/s
Table 1
Photocell
Jumpers
A "Bottom" photocell trips
when gate is closing
B "Top" photocell trips when
gate is closing
C "Bottom" photocell trips
when gate is opening
and when it is closing
D "Top" photocell trips when
gate is opening
and when it is closing
Note regarding photocell "G": there are normally no restrictions concerning the position of
the two elements that make up the photocell (TX-RX). However, when photocell G is used
in conjunction with photocell B the elements must be positioned as shown in Fig.7.
Device recognition
If the post-mounted photocell is used to replace a pre-existing one, no recognition proce-
dure needs to be carried out. However, if you add or remove devices connected to the ECS
Bus, the recognition procedure has to be carried out. In this case proceed as follows:
1. On the control unit, press and hold down button P2 [A] shown in Fig.10 for at least three
seconds, then release the button.
2. Wait a few seconds until the control unit has completed the device recognition process.
3. When the recognition procedure has been completed, the P2 LED [B] shown in Fig.10
will go off. If the LED flashes it means that something is wrong.
Checking the operation of the device
After completing the recognition procedure, check whether the SAFE LED [A] Fig.11 on the
photocell (both TX and RX) starts flashing. See table 2 to identify the status of the photocell
based on the type of flashing.
Table 2
LED SAFE
Status
Off
The photocell is either faulty
or not powered
3 quick flashes and 1
Device not recognized by the
second's pause
control unit
Very slow flashes
TX transmits regularly. RX
receives a very good signal
Slow flashes
RX receives a fairly good sig-
nal
Quick flashes
RX receives a poor signal
Very quick flashes
RX receives a very poor signal
Always on
RX does not receive any sig-
nal
Testing
Warning: after adding or replacing any post-mounted photocells, you need to test the entire
automation system anew following the instructions found in the relevant installation manu-
als under the "Testing and set-up" chapter.
• To check the post-mounted photocells and make sure that there is no interference with
other devices, pass a 5 cm diameter, 30 cm long cylinder (Fig.12) on the optical axis, first
near TX, then near RX and finally at the mid-point between them and make sure that in
all these cases the device is triggered, switching from the active to the alarm status and
vice-versa; finally, that it causes the intended action in the control unit, for example, that
it causes the reversal of the direction during the closing manoeuvre.
TX transmission angle: Approx. 20°
RX reception angle: Approx. 20°
Useful range: Up to 10m, with maximum TX-RX misalignment of ± 5° (the device can sig-
nal the presence of obstacles even under very adverse weather conditions)
Power supply/output: The device may only be connected to "ECSBus" networks from
which it is supplied with power and sends the output signals.
Absorbed power: PT50: 1 ECSbus unit; PT100: 2 ECSbus units
Maximum cable length: Up to 20 m (observe the warnings in the control units regarding
minimum gauge and type of cables)
Addressing capability: Up to 7 detectors with protection function and 2 with opening con-
trol function. The automatic synchronization prevents any interference between detectors.
Ambient operating temperature: -20 ÷ 50°C
Use in acid, saline or potentially explosive atmosphere: No
Mounting: On flat ground surface
Protection class: IP55
Dimensions / weight (TX and RX): PT50: Ø 70, h 485 / 656g*
PT100: Ø 70, h 945 / 1207g (* for details on the anchoring base see figure 3)
Photocell
Jumpers
E "Right-hand" photocell trips
when gate is opening
F "Left-hand" photocell trips
when gate is opening
G For "sliding" gates only
"Single" photocell covers the
entire automation system,
tripping when gate is
opening and when it is
closing
Action
Make sure that there is a volt-
age of approximately 8-12
Vdc on the photocell termi-
nals; if the voltage is correct,
the photocell is probably
faulty
Repeat the recognition proce-
dure. Make sure that each
pair of photocells has a differ-
ent address
Normal operation
Normal operation
Normal operation, but check
the TX-RX alignment and
make sure the glass surfaces
are clean
The device is operating at
maximum limit for normal
operation, check the TX-RX
alignment and make sure the
glass surfaces are clean
Check whether the LED on
the TX is flashing very slowly.
See if there are any obstacles
between TX and RX; check
the TX-RX alignment
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