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Description
UNIVERSAL GSM MODULE DGSM-2A
2 RELAY OUTPUTS + 2 CONFIGURABLE INPUTS
COMPATIBILITY GUARANTEED WITH THE FOLLOWING CARRIERS:
TIM – WIND – VODAFONE
Professional universal GSM module designed for remote control of gates, garage doors, automation systems, alarm systems, boilers, and many other applications.
With 2 relay outputs with volt-free contacts and 2 configurable inputs, the module makes it quick and easy to set up control and signaling systems over the GSM network.
Configuration is conveniently performed using simple SMS commands, with no dedicated software required.
Mod. GSM-C
SKU: 1434/2
KEY FEATURES
Universal GSM module for automation systems, alarms, and remote controls.
Universal 12/24 V power supply, both AC and DC.
2 relay outputs with volt-free contacts, independently configurable.
Relay outputs rated for a maximum of 30 Vdc / 0.5 A.
Outputs configurable in timed or bistable mode.
2 configurable alarm inputs for connection to volt-free contacts.
Inputs configurable as NO (normally open) or NC (normally closed).
Gate opener function via phone call.
Alarm function with SMS notification and alert call.
Inputs, outputs, and authorized numbers can be configured via SMS.
LEDs dedicated to displaying the input status.
Red and green LEDs indicate the module’s operating status.
Automatic periodic restart (keep-alive) function to prevent possible SIM/module lockups.
Antenna supplied separately.
GATE OPENER FUNCTION
The module can be used as a GSM gate opener.
When it receives a call/ring from a phone number previously stored in the SIM card’s phonebook, the module activates output RL1.
The factory configuration is:
RL1: pulse operation
Pulse duration: 3 seconds
The output can therefore be used to control, for example, automatic gates, garage doors, electric locks, and other compatible automation systems.
ALARM FUNCTION
The two inputs can be connected to devices with a volt-free contact, such as:
sensors;
magnetic contacts;
pressure switches;
safety devices;
alarm systems;
contacts from automation systems;
other devices with a contact output.
When an input configured as an alarm is triggered, the module can:
send an alarm SMS to enabled numbers;
make an immediate alert call.
Factory input configuration
IN1: normally open (NO)
IN2: normally closed (NC)
Input debounce: 1 second
The inputs can be configured using specific SMS commands.
CONFIGURABLE RELAY OUTPUTS
The module has 2 relay outputs, which can be used to control external devices via a dry contact.
The outputs can be configured for the desired application, with a choice of operating modes:
pulse/timed;
bistable.
Factory configuration
RL1: pulse mode, 3-second duration
RL2: bistable
Maximum relay contact rating: 30 Vdc / 0.5 A.
SMS CONFIGURATION
The module is easy to configure using SMS commands.
The following can be managed and configured:
authorized telephone numbers;
IN1 and IN2 inputs;
input operating modes;
RL1 and RL2 outputs;
pulse or bistable mode;
output timing;
control and alarm functions.
This solution allows the module to be adapted to numerous requirements without using software or a dedicated programmer.
APPLICATIONS
The DGSM-2A GSM module is suitable for a wide range of applications, including:
GSM gate opener
Opening and control of automatic gates
Remote control of gates and shutters
Remote automation
Alarm systems
Alarm notifications via SMS
Remote control of electrical devices
Boiler control
Industrial and residential automation
Monitoring of contacts and devices
Home automation and remote control applications
TECHNICAL SPECIFICATIONS
Technology: GSM/GPRS Quad-Band
GSM bands: 850 / 900 / 1800 / 1900 MHz
Compliance: GSM 2/2+
GSM class: Class 4: 2 W @ 850/900 MHz – Class 1: 1 W @ 1800/1900 MHz
Power supply: 12–24 Vac/Vdc ±10%
Consumption at 12 Vdc: Max. 200 mA
Consumption at 24 Vdc: Max. 100 mA
Inputs: 2 configurable inputs for dry contacts
IN1: Factory default: NO, 1 s debounce
IN2: Factory default: NC, 1 s debounce
Outputs: 2 relays with common contact
Relay rating: Max. 30 Vdc / 0.5 A
RL1: Pulse mode, factory default 3 s
RL2: Factory default: bistable
Operating temperature: -10 °C / +50 °C
Protection rating: IP20
Dimensions: 105 × 95 × 32 mm
COMPATIBLE ANTENNAS
The antennas are not included and must be purchased separately.
Available:
GSM01A – 90° whip antenna
GSM11 25 – antenna with bracket and 2.5 m cable
CONTENTS AND DOCUMENTATION
DGSM-2A GSM module
For correct installation and configuration, please refer to the manufacturer's instruction manual.
MANUFACTURER'S INSTRUCTION MANUAL
IMPORTANT
The SIM card used must be compatible with the GSM network supported by the device. Before installation, check that the mobile operator's service is available in the area where the device will be used.
