GTalarm3 User manual V-2022-05-24
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1.5
Meaning of LEDs and contacts
Table 3 Meaning of LEDs
Name
Indication variations
Meaning
WDG (green) built-in
LED
Watchdog heart beat blinking, remains lit for
50ms, and turns off after 1000ms.
The module is functioning.
Off
The module is out of order or no voltage
REG (yellow) built-in
LED
Lights continuously
Modem has been registered to the network
Flashes, remains lit for 50ms, turns off for
300ms
Modem is being registered to the GSM network.
Blinking fast, remains lit for 50ms turns off
for 50ms
PIN code of SIM card error. PIN code request should be removed
Off
Modem failed to register to the network.
DATA (red) built-in LED
Lights continuously
The memory of the module contains unsent reports to the user or to the
server.
Off
All reports has been send.
FN
Input/output system status indication
Table 4 Terminal block. Contacts.
C
onta
c
t
N
o
N
a
m
e
Max
.
v
o
lt
a
ge (
V
)
Optional functions and Description
1
VD+
30
Positive supply contact
Power supply voltage
DC 8-30 V / 300mA max, Max. Allowed ripple voltage 100mV.
Current in standby mode
<50mA
Current when sending data
<300mA
2
COM
Negative supply terminal for keyboard(s), indicators and sensors.
4 … 7
OUT1 ...
OUT4
30
Programmable Output PGM1 - PGM4. Drain type. When state is ON, connects internally to COM
Max available current
1000mA
Max available voltage
30V
8, 9,10
I/O1-I/O3
30
Programmable functions
The zone for security system NC/NO/EOL/EOL+Tamper
[1]
Output 20mA
Analog current input 0-20mA
Analog voltage input 0-30V
Max available voltage
30V
11 …
14
IN1 … IN4
30
Programmable functions
Input with 5.1K resistor to the VD+ (Pull UP) (optional)
Zone: NC, NO , EOL=2.2kΩ , EOL+ Tamper = 2.2K+2.2K
Analog input 0-30V
Max available voltage
30V
15
COM
Negative supply terminal for keyboard(s), indicators and sensors.
16
D3
3.3
Programmable functions
Digital output
Digital input
Dallas 1-Wire bus. DS18b20, DS1990A
Aosong 1-Wire bus. Humidity Sensor AM2302, DHT22, AM2305, AM2306
Wiegand (1) interface DATA1 , RFID reader, keypad
Max available voltage
3.3V
Max available current
20mA
17
D2
3.3
Programmable functions
Digital output
Digital input
Dallas 1-Wire bus. DS18b20, DS1990A
Aosong 1-Wire bus. Humidity Sensor AM2302, DHT22, AM2305, AM2306
Wiegand (1) interface DATA0 , RFID reader, keypad
Max available voltage
3.3V
Max available current
20mA
18
D1
3.3
Programmable functions
Digital output
Digital input
Dallas 1-Wire bus. DS18b20, DS1990A
Aosong 1-Wire bus. Humidity Sensor AM2302, DHT22, AM2305, AM2306
Max available voltage
3.3V
Max available current
20mA
19
+5V
4,5
Power supply for external temperature, humidity sensors
Max available voltage
4,5V
Max available current
100mA
[1] If the zone used for security system purpose 5.1k pull-up resistor should be connected
