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The JA-120Z BUS back-up booster unit
The JA-120Z BUS back-up booster unit is a component
of the JABLOTRON 100 system. It serves for boosting the current
of the BUS. It provides two independent BUS branches / terminals
on the output side with 2 A maximum output current and
the maximum length is 500 m for every leg. The input terminal
is galvanically separated, this is because of safety isolation and
with a difference of potentials between the grounds on the input
and output part of the booster. The module is powered by mains
electricity and allows the connection of a back-up battery with
a capacity of up to 18 Ah. The product is sold as a module with
a JA-83PWR power supply.It is recommended to install it into
a PLV-CP-L plastic housing. The product can only be installed by
a trained technician with a valid certificate issued by an authorised
distributor.
Purpose / application
The booster significantly extends the operational range of an existing
BUS system. It serves for:
Providing sufficient current for connected devices when
the control panel output current is not enough, see Figure 1.
Extending the BUS for more than 1x 500 m (JA-101K) or 2x
500 m (JA-106K), see Figure 2.
Warning! The JA-120Z does not increase maximal number
of addresable devices available in the JA-100 system. To each
JA-120Z BUS terminal can be connected up to 50 addressable
devices.
Providing sufficient current (Figure 1)
The JA-120Z booster provides current up to 2 A on its output
terminals. There can be several BUS boosters connected to one system
and they can be connected one after the other (3 maximum).
Figure 1: 1 – Boosting the BUS output current for up to 2 A by each
JA-120Z unit
Extending the BUS (Figure 2)
The JA-120Z also behaves as a signal repeater and it allows BUS
extension by every booster for about 2x 500 m. There can be several
BUS boosters connected to one system and they can be connected one
after the other (3 are maximum).
For further BUS extension a maximum of one JA-110T isolator can be
connected to JA-120Z output terminals.
The JA-120Z booster has galvanically separated input and output
terminals from its own booster electronics. It ensures immunity against
interference by various potentials between buildings or various power
systems.
Product behaviour description
Output terminals (18) are protected by an electronic fuse against
overloading (short circuit or current taken from the module higher than
2 A). If overloading ends, then the output voltage is recovered
automatically. The booster also informs the control panel about mains
faults, failures or low battery indication. The backup battery (5) is
protected against deep discharging when a mains fault lasts for a longer
period. If the backup battery voltage drops below 9.7 V, the module is
then switched off and all devices connected to its output terminals
report faults.
The JA-120Z
Yellow flashing Not enrolled to the system
Yellow ON
Green flashing Ongoing BUS communication
The booster occupies one position in the control panel. Line voltage
drops are always related to branches connected to the output part of the
booster. See a more detailed description in the chapter Setting the
module properties.
LED status indicators (14):
LED indication Description
Not connected to control panel
BUS
Table 1: LED indicator status description
Installation
The JA-120Z booster is supplied as a module with a power supply.
We recommend installation in a PLV-CP-L plastic housing. When an
alternative installation box is to be used, always connect the tamper
contacts to the terminals (17).
Installation in a PLV-CP-L plastic housing - description:
1. Punch the holes in the PLV-CP-L (11) plastic housing for BUS cables
and supply cable.
2. Install the rear tamper contact (10).
3. Put the cables through and attach the rear plastic housing part on
selected place.
4. Install the JA-83PWR power supply (1) and booster module (9) inside
the housing and fix it with 4 screws (7) to the position marked on
Figure 3.
5. Plug the front and rear tamper contact (10) into the connectors (17)
on the module. Block any unused tamper inputs by jumper (pins are
next to every connector on the left side).
6. Connect the BUS cable from the control panel (13) and BUS output
cables (18).
When connecting the module to the system
BUS, always switch the power off.
a.s.
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JABLOTRON ALARMS
Pod Skalkou 4567/33 46601 Jablonec n. Nisou
Czech Republic www.jablotron.com
7. Connect the power supply connector (8) to the terminal (12) and plug
in the back-up battery. Fix the back-up battery using the prepared
strap (6). Mind the correct polarity (red +, black -). Typical back-up
Figure 2: 2 – Extending the BUS length for another 2x 500 m by each
JA-120Z unit
Figure 3: 1 – mains power supply; 2 – mains power terminals; 3 – mains power fuse (T1.6 A); 4 – back-up battery connecting cables;
5 – back-up battery; 6 – belt clip to fix the back-up battery; 7 – screws to fix the PCB into the installation box; 8 – connecting terminal from power
supply; 9 – the JA-120Z PCB; 10 – front and rear tamper contact of the box; 11 – PLV-CP-L plastic housing
battery lifetime is up to 4 years.
8. Connect mains power to terminals N and L (2) and switch it on.
The JA-120Z BUS back-up booster unit 1 / 2 MNE51301
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The JA-120Z BUS back-up booster unit
Figure 4: 12 – power terminal from power supply; 13 – BUS input
terminals; 14 – LED indicators; 15 – LEARN (enroll) button;
16 – USB connector; 17 – connectors for tamper contacts;
9. Proceed according to the control panel installation manual. Basic
procedure:
a. When the module is switched on, the yellow LED (14) starts
flashing repeatedly to indicate that the module has not been
enrolled into the system.
b. Go to the F-Link software, select the required position in
the Devices tab and launch the enrolment mode by clicking
on the Enroll option.
c. Click on the Add new BUS devices option, select the JA-
120Z module and confirm its enrolling by a double-click –
the yellow LED (14) goes off.
10. Close the front cover of the PLV-CP-L plastic housing.
11. Continue with the chapter Setting the module properties.
Notes:
The module can also be enrolled by pressing the LEARN button
(15) or by entering the production code via the F-Link software. All
digits are required (1400-00-0000-0001). The production code is
printed on the sticker under the bar code on the PCB of the
product.
If you need to remove the module from the system, erase it from its
position in the control panel.
Setting the module properties
The module properties can be set in the Devices tab of the F-Link
software. When at the module position, use the Internal settings
option to open a dialogue window where you can set the following
parameters (* factory default settings):
Tamper contacts: Enabled*: Parameters enables / disables tamper
contacts.
Disable the BUS power supply: Inactive*: By pressing a specific
button, power to the selected BUS output is switched off. Power supply
status is indicated below the BUS button. The function is meant for
temporarily switching off the power to a specific BUS because of
installation of a new device. When you leave service mode, F-Link
informs you about the switched off power for a BUS output and after
confirmation the power is switched on again. When power is restored
(mains and back-up battery), the system always switches on the power
for both terminals.
,
18 – BUS output terminals
To set the JA-120Z module to comply with
security grade 2 or other requirements use
F-Link SW, Parameters tab and the option
“System profiles”.
Diagnostics
See F-Link SW, Diagnostics tab. On the JA-120Z booster position
you can find the following information:
Status: Indicates current device status.
Battery status / voltage: Indicates current back-up battery status
(OK, Battery, NO AC – mains fault).
Voltage / loss: Showing voltage and current taken from individual
BUS outputs terminals.
Devices connected to the JA-120Z booster:
have their voltage losses measured by the booster
have in the Position column the icon
have a topology description in the Channel column = list of
devices and communication paths via which they communicate
with the control panel
FW upgrade
A FW upgrade can be performed using the F-Link software in service
mode by a user with Service authorisation. Go to Control panel
->Upgrade firmware. All devices connected via the JA-120Z can be
upgraded. When a mains power fault or a fault of the back-up battery of
the control panel or the JA-120Z booster occurs, a FW upgrade cannot
be performed.
Technical specification
The kit includes: a JA-120Z module PCB and JA-83PWR power
supply. A backup battery and PLV-CP-L plastic housing has to be
bought separately.
Mains power (the JA-83PWR power supply) 90 – 250 V AC
Input power 50 VA
Fuse T1.6 A/250 V, 5x20 mm
Input part
Powered from the control panel BUS 12 V DC (9 … 15 V)
Current consumption:
- in standby mode 10 mA
- for cable choice 10 mA
Output part
Output voltage typically 13.7 V DC
Maximum ripple 0.1 Vpp
Maxmum load current 2 A
Galvanically separated (testing voltage 4 kV)
General
Back-up battery 12 V 7 – 18 Ah
Back-up battey type lead, gel
Low battery level 10.9 V
Protection againts deep discharging 9.7 V
Maximum time for charging back-up battery <72 h/80% C for 18 Ah
Weight of module PCB 45 g
Weight of the JA-83PWR power supply 360 g
PCB dimensions 102 x 66 x 14 mm
Power supply dimensions 170 x 80 x 65 mm
PLV-PC-L plastic housing dimensions 357 x 297 x 105 mm
PLV-PC-L plastic housing is not supplied!
Classification security grade 2/environmental class II
Note: valid for only installation into a PLV-CP-L plastic housing or
into another box of a security grade 2 or higher certified device.
- according to EN 50131-1, EN 50131-6
- environment general indoor
- operational temperature range -10 to +40 °C
- operational humidity 75 % RH, non-condensing
- certification body Trezor Test s.r.o. (no. 3025)
Also complies with EN 60950-1, EN 50130-4, EN 55022
JABLOTRON ALARMS a.s. hereby declares that the JA-120 Z is in
a compliance with the relevant Union harmonisation legislation:
Directives No: 2014/35/EU, 2014/30/EU, 2011/65/EU. The original of
the conformity assessment can be found at www.jablotron.com Section Downloads.
Note: Although this product does not contain any harmful
materials we suggest you return the product to the dealer
or directly to the producer after use.
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