G-ULTRA
QUICK GUIDE
GSM DEVICES
Centurion Systems (Pty) Ltd
www.CentSys.com
1. What is G-ULTRA?
2. Important Safety Instructions
3. Glossary of Terms
5. Product Identication
6. Product Dimensions
7. Functional Feature Highlights
8. Device Layout and Wire Connections
9. LCD Interface
4. Technical Specications
Built upon the bedrock of convenience established by the original
G-SWITCH-22 GSM module, the G-ULTRA is a complete evolution of
that device imbued with intelligence and packaged for use in a modern
environment. The combination of a smart graphic user interface and a plethora
of advanced features means that the G-ULTRA goes well beyond the scope
of mere access automation and takes remote monitoring and control to an
entirely new level.
1. May not be used in devices other than G-ULTRA (South Africa Only).
2. Remains the property of Centurion Systems (Pty) Ltd. (South Africa Only).
Sticky Latches: The module’s outputs can be congured to ‘remember’ their
state between power cycles. For instance, if Output 2 was active, i.e. the relay
in an energised state, and the power is removed, when power is reapplied
Output 2 will return to the activated state. This functionality is referred to as
a ‘sticky latch’ and can be enabled or disabled. Sticky latched don’t apply to
pulsed outputs and are enabled by default.
Filter Time: Filter Time determines how long an input event (rising or falling
edge) must be present before it is recognised, i.e. an SMS or email is sent, or
a missed call is initiated. The time is set in increments of one second and the
default is 0.
Blanking Time: Blanking Time determines how long the unit will wait between
events before it will recognise the next event.
Any Number Mode: When enabled, this useful feature allows any number
to activate the module’s outputs, irrespective of whether they are learned into
memory. A typical application would be an event such as a wedding where
many guests need to be given temporary access. Instead of manually learning
in a 100 guests and then having to delete them again after the occasion,
the administrator can simply enable Any Number Mode and disable it again
afterward.
DTMF: Dual Tone Multi-Frequency signaling. This is used for
telecommunication signaling over analogue telephone lines in the voice-
frequency band between telephone handsets and other communication devices
and the switching centre. This allows the user to press a number on his or her
mobile handset to switch any of the outputs on the G-ULTRA.
Channel: An electrical gateway implemented as a physical terminal on the
G-ULTRA that provides the external interface to Input or Output signals
Access Number Proles
The access number conguration proles eliminates the hassle of conguring
input and output permissions and notications every time that a new number
is added.
Intelligent Gate Status Monitoring
With seamless integration with CENTURION gate motors, the G-ULTRA will let
the user know when his or her gate has been left open, or is in any other state
specied by the user through intelligent monitoring of the gate motor’s status
output. Adjustable Filter settings mean that the user can specify under which
conditions they are notied about a particular gate status, for example if the
gate has remained open for longer than 20 seconds.
Supplied with activated SIM card (South Africa only)
All G-ULTRA units are supplied with an activated Vodacom SIM card (South
Africa only). Airtime can be purchased via G-WEB (South Africa only).
Monitoring and alerting
The device can be congured to monitor up to four separate electrical devices,
such as a home alarm or even a water reservoir. It could send the user an
SMS, give a missed call or even send an email, letting the user know if the
house alarm is on or o or a reservoir is full or empty. When congured as
inputs, the unit’s four individually-congurable channels can be congured
to react to Rising Edges, Falling Edges, or both, which makes it ideal for
monitoring variable levels such as mains power. A single input can be used, for
example, to send a notication to users when mains power has failed, and the
same input can notify users once it comes back on, freeing up the other inputs
to take care of monitoring duties for other devices.
Control
In addition to the four congurable channels, two extra relays are provided
which can be used to remotely control electrical devices and appliances
such as gate motors, alarms, geysers and lights, to name but a few possible
applications. Outputs can be activated via missed, SMS text message or by
pressing a number on his or her phone’s touchpad.
Table 3 below lists the information shown on the dierent screens found on the
LCD interface. The left and right scroll buttons are used to toggle between the
dierent screens.
To access the terminal blocks of the G-ULTRA, the back plate and fascia
needs to be removed. Follow the instructions below to do this.
Gently pull the two clips at the back, backward to release the main G-ULTRA
unit, and lift the unit out of the mounting plate.
Timed access control
(Weekly and Visitor) Set arrival and departure dates and times; guests will
only be able to activate the device’s outputs between these limits, aording
the user maximum security and aording guests maximum convenience. As a
special value-add developed specically with B & B owners in mind, customised
arrival and departure messages with welcoming messages, access instructions,
etc., can be sent automatically to guests and visitors.
Alternatively set weekly recurring time-periods (for example 8am to 5pm,
Monday to Friday) during which users will have access to the system.
Outside of the congured time-periods, access will be denied.
Add the ability to map inputs to outputs, customise the input and output
notication messages and use the G-ULTRA in advanced applications.
One has a powerful and convenient GSM-based monitoring and control
solution. Up to 20 separate text messages with up to ve scheduled outputs
can be congured.
Time-barring windows can be congured to block notications, activations or
specic access numbers.
Quick device associations
Devices can be associated to a G-WEB prole in a matter of seconds by simply
scanning a QR code with one’s smartphone and a third-party universal QR
scanner application.
Easy access to diagnostics
This smart device provides intelligent feedback via a graphic user interface
displaying status, system information and diagnostic messages for the
complete ULTRA experience.
Smart hardware
An internal GSM antenna ensures healthier, more reliable network signal
strength without the frustration of trying to nd the optimal location to mount
the unit. If one needs to t the G-ULTRA in a metal enclosure, simply attach an
external antenna to the onboard connector.
1. Do not install this product near DOSS sensor inside gate motor housing or
near the remote receiver.
2. Do not install this product near any sensitive electrical components.
3. All installation, repair, and service work to this product must be done by a
suitably qualied person.
4. Do not in any way modify the components of the system.
5. Do not install the equipment in an explosive atmosphere: the presence of
ammable gas or fumes is a serious danger to safety.
6. Do not leave packing materials (plastic, polystyrene, etc.) within reach of
children as such materials are potential sources of danger.
7. Dispose of all waste products like packing materials, according to local
regulations.
8. Centurion Systems (Pty) Ltd does not accept any liability caused by
improper use of the product, or for use other than that for which the
automated system was intended.
9. This product was designed and built strictly for the use indicated in
this documentation. Any other use, not expressly indicated here, could
compromise the service life/operation of the product and/or be a source of
danger.
10. Anything not expressly specied in these instructions is not permitted.
1. Fascia
2. External Antenna Cover
3. Main G-ULTRA Unit
4. Mounting Plate
5. Terminal Blocks
6. Navigation panel
7. LCD Screen
This icon indicates tips and other information that could be useful
during the installation.
TABLE 1
TABLE 2
TABLE 3
FIGURE 1
This icon denotes variations and other aspects that should be
considered during installation.
Supply Voltage Range 11-24V DC
Maximum Current Draw 300mA @ 12V DC
Input/output Current Rating 50mA (Open Collector)
Relay Contact Current Rating 1A, 30V AC/DC (Resistive)
Input Sense Voltage Range 0-24V DC (0-1.6V Low-input State,
5V-24V High-input State)
SIM Card Micro-format, Activated SIM
Card Supplied (South Africa only) 1, 2
Number of Congurable
Input/output Channels
4
Number of Relays 2
Memory Capacity • 5000 Event logs
• 20 Access Proles
• 1 Custom Welcome SMS Message for
New Access Numbers
• 20 Custom Output Activation SMS
Messages (From User to Device)
• 30 Custom Input Notication SMS/Email
Messages (From Device to User)
• 100 Visitor Time-barring Windows
(Windows are the periods between two
dates)
• 30 Generic Time-barring Windows
(Windows are weekly recurring)
• 10 Output Activation Schedules
(Schedules are weekly recurring)
Memory Capacity
(continued)
• 3 Daylight Saving Periods
• 4 Input to Output Mapping
Congurations
Model Options GSM 2G:
850/900/1800/1900MHz (EDGE)
GSM 3G:
900/2100MHz (EDGE)
900/2100MHz (UMTS)
GSM 3G PENTA:
800/850/900/1900/2100MHz (UMTS)
microSIM
SIM Card
Optional: External Antenna
NOTE:
The Internal Antenna is
selected by default.
Scroll Left Scroll Right
Enter /
Home
GND IO4 NOIO1 NO COMIO2 COM NCIO3 NC + VDC -
GND Ground
IO1 Input / Output 1 (Default: Output)
IO2 Input / Output 2 (Default: Output)
IO3 Input / Output 3 (Default: Output)
IO4 Input / Output 4 / Gate Status Input (Default: Output)
NO Relay 1 Normally-open
COM Relay 1 Common
NC Relay 1 Normally-closed
NO Relay 2 Normally-open
COM Relay 2 Common
NC Relay 2 Normally-closed
+Positive of Power Supply 12-24VDC
-Negative of Power Supply
Home Screen
Network Name or Phone Number Applicable to
Incoming / Outgoing SMS or Call.
Home Screen (Continued)
IO Status Screen
Output Status Screen
Voltage/Firmware/Date & Time Screen
Phone Number Screen
Airtime Balance Screen
GSM Antenna Selected Screen
Gate Status Screen
SIM Screen
IMEI Screen
Network Signal Strength
Connected to Internet
Device has Error Condition
Incoming SMS
Outgoing SMS
Outgoing Phone Call Events
Connected to G-WEB
Relay X is Switched OFF and the
Normally-Closed and Common
Contacts are connected.
• Supply Voltage
• Firmware Version
• Time
• Date
Press Enter to Refresh Airtime
Balance from Network Provider.
Relay X is Switched ON and the
Normally-Open and Common
Contacts are connected.
X= 1 or 2
Incoming Phone Call Events
External GSM Antenna Selected
(connect own Antenna to SMA
connector).
Press Enter to change between
Internal and External Antennas.
Internal GSM Antenna Selected
(default).
Device SIM Phone Number.
Gate Closed
Displays the devices IMEI number
SIM pin OK
Gate Opening
SIM pin Wrong
Gate Status Warning
Gate Open
SIM Error
10. Congurations
10.1. Removing the Mounting Plate and Fascia
10.1.1. Removing the Mounting Plate
1
3
4
2
5
6
7
FIGURE 3
FIGURE 2
Main G-ULTRA Unit
ClipsMounting Plate
73.6mm
114.4mm 33mm
www.centsys.com
Doc number: 1265.D.01.0003_2
SAP Code: DOC1265D0103
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Call Centurion Systems (Pty) Ltd .South Africa
Head Oce: +27 11 699 2400
Call Technical Support: +27 11 699 2481
from 07h00 to 18h00 (UTC+2)
E&OE Centurion Systems (Pty) Ltd reserves the right to change any
product without prior notice
All product and brand names in this document that are accompanied by the ®
symbol are registered trademarks in South Africa and/or other countries, in favour
of Centurion Systems (Pty) Ltd, South Africa.
The CENTURION and CENTSYS logos, all product and brand names in this
document that are accompanied by the TM symbol are trademarks of Centurion
Systems (Pty) Ltd, in South Africa and other territories; all rights are reserved.
We invite you to contact us for further details.
Centurion Systems is a Company of the
FAAC Simply Automatic Business Unit
Input: Deactivated
(“E” = Input event reached)
Input: Activated (pulled to ground)
(“E” = Input event reached)
Output: O
Output: On (pulling to ground)
