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CONFIGURATION

Connect GRG-01 to the mains by pressing programming push-button at the same 

time. Press the push-button until the LED two-coloured diode (green-red) switches 

on alternately. Logging of GRG-01 device to GSM network is signalled by a slower 

switching on of the LED two-coloured diode (green-red) - once per 1 second. Con-

figuration is realised by sending an SMS massage from any phone number - the

massage should be in the form of:

+XXX

 <

+XXX

> <

+XXX

> <

+XXX

> <

+XXX

> ring 

TTT

 <relay 

RRR

> <time 

CCC

> <pass 

PPP

>

An example (capital letters are of no importance):

+4812349987654321 ring 4 relay ON time 10 pass password
Particular blocks description:

+XXX

 -  telephone number starts with ‚+’ sign and a country number; restart is  

 

  possible for these numbers by means of an incoming telephone call and a  

 

  service without a password,

ring  -  key word - number of signals,

TTT

  -  the number of signals after which the controlled device restart takes place  

 

  (3 to 5), or in case of signal number bigger than 5 - restart for calling is  

 

  switched off,

relay  -  key word - relay,

RRR

  -  relay status (ON - normal-closed NC, OFF - normal-open NO),

pass  -  key word – password,

PPP

  -  a password to be used in an SMS massage for a not authorised telephone  

 

  (5 to 8 signs),

time  -  key word - default restart time,

CCC

  -  default restart time from 1 second to 60 seconds,

<> 

-  optional blocks - configuration massage does not have to include them.

In case of receiving a massage including proper configuration command, GRG-01 

device sends back a massage with the above command and „ok” text. In case of 

syntax error, GRG-01 device sends back a massage with the above command and 

„error” text. The device saves the values in nonvolatile memory (NVM) just after the 

configuration is completed. Switch off and switch on the device again without press-

ing the programming push-button. From that moment new adjustments are applied. 

It is possible to adjust default settings in the configuration mode by means of „reset 

config” massage.
The „reset config” massage causes following configuration adjustment:

● Allowed numbers - none.

● Number of signals until restart - 10 - call restart switched off.

● Relay - OFF.

● Time -10 seconds

GSM REMOTE SWITCH

 

GRG-01

TECHNICAL DATA

Input rated voltage:

230 V AC

Optic signalling of input rated voltage:

LED green diode

Nominal power consumption:

0,5 W / 2,5 W (GSM operation)

GSM frequency:

900/1800/1900 MHz

Operation range:

limited by GSM network structure

Signalling of GSM status:

LED two-coloured diode (green)

Optic signalling of relay status:

LED two-coloured diode (red)

Output contacts’ parameters:

1NO 16A / 250V AC AC1 4000 VA

Ambient temperature range:

-10 ÷ +55 

o

C

Operating position:

free

Casing mounting:

230 V AC socket

Casing protection degree:

IP20 (EN 60529)

Protection level:

II

Overvoltage category:

II

Pollution degree:

2

Surge voltage:

1 kV (EN 61000-4-5)

Dimensions:

160 x 66 x 90 mm

Weight:

0,190 kg

Reference standard:

EN 60950-1:2007

EN 55024:2000

EN 61000-4-4

DESCRIPTION

GSM remote switch is used to control lighting, heating, etc., by means of GSM mobile 

(SMS massage and/or incoming mobile call). It is mounted in wall 230 V AC socket and 

it has the possibility of a remote restart of a connected device (relay status changes 

according to the adjusted time). The device has a wide range of protections as a list 

of numbers with permission, access password, etc. Its operation range is limited only 

by GSM network infrastructure and it is not equipped with operator’s lock (SIMLOCK).

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