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1. General Information
1.1 Function
ESIM120 is a micro-controller based 2-relay device intended to control gate automatics, road barriers or to remotely turn on/off
any electronic device over GSM network.
Examples of using the system:
• Road barrier control in the parking lot of residential houses or offices
• Controlling gates of private houses
• Electronic appliance control for a specified period. E. g., turn on/off aquarium lighting, pump, watering, heating etc.
• Turn on computer system
• Turn on/off any electric appliance
• ”Frozen“ system reboot e.g. computer network, server
• Notification about a fault in gate or other automatics.
1.2 Operation Description
System ESIM120 operates over GSM network. Gates are opened or any other electric appliance is turned on/off by making a phone
call to the system. The phone call is automatically rejected by the system, therefore the phone call becomes free of charge.
On calling to the phone number of the system it checks whether the caller is one of the administrators or stored in the user da-
tabase. If the user is stored in the system, the specified output (-s) for a particular user is turned on/off for a specified period. The
system will ignore incoming requests from an unknown telephone number or SMS message containing wrong password.
By connecting the opened-gate/barrier sensor to one of the 3 inputs, the administrators can receive SMS message about the gates
that did not close during the set time period.
There are 3 ways of configuration: SMS messages, over USB cable or Internet (device connect over GPRS).
1.3 Technical Specifications
Electrical, mechanical and other specifications
Supply voltage
10-24V 50Hz ~ 200mA max / 10-24V
200mA max
Current used in standby model
not more than 50mA
GSM modem frequency
850/900/1800/1900 MHz
Number of outputs
2
Output type
NO (relay)
Number of “low” level (negative) inputs
2
Number of “high” level (positive) inputs
1
Allowable “low” level (negative) input values
Voltage: 0... 16V; current: -0.8... -0.4mA
Allowable “high” level (positive) input values
Voltage: 5... 50V; current: 0.17 .... 1.7mA
Relay output maximum commutating values
24V
1A / 24V 50Hz ~0,5A
Dimensions
70x85x57mm
Operating temperature range
-20…+55
o
C (-30...+55
o
C with limitations)
Number of administrators
5
Number of users
500 (1000 optional)
