User manual
6
1.5 Connection Circuit
USEFUL INFORMATION
When choosing GSM cellular provider, it is worth inquiring whether the service is used in security application assuring fast and
reliable SMS message delivery and phone call connection.
USEFUL INFORMATION
When choosing GSM cellular provider, it is worth inquiring whether the service is used in security application assuring fast and
reliable SMS message delivery and phone call connection.
ESIM251 and alarm system COM must be connected.
Inputs Z1,Z3,Z4,Z5 are connected to alarm system PGM outputs if PGM are implemented as open collector circuit or any other
circuit and if it commutates with COM.
It is also possible to connect Z1, Z3, Z4, Z5 inputs to, for instance, motion sensor or any other sensor as well as automatics device
provided the inputs are commutated with COM.
Input Z2 is commutated with a “high level” impulse. Impulse duration is >600ms.
Picture 2
Picture3 AC power supply connection circuit
+12V
HIGH
LEVEL
Z1Z2Z3Z4Z5COMRELAYAC/DC
PGM1
PGM3
PGM4
PGM5
PGM2
GSM communication and
control system ESIM251
Alarm system or other appliance
Fuse 500 mA
~230V 50Hz
AC/DC
~10-24V
Metal box
PE contact
LED indicators functionality
LED1 Indicates SIM card status
LED2 Indicates network status
LED1 status Meaning
OFF SIM card is working properly
ON SIM card error
LED2 status Meaning
OFF No network connection
Blinking 3 times per second Poor network connection
Blinking 1 time per second Medium network connection
ON Excellentnetworkconnection