SS21-GSM M2

Relay control with free phone call 
Relay control with free phone call 
Relay control with free phone call 

The device can be used in 3 different modes depending on the settings

Features
  • 2 independent contact inputs
  • 1 controllable relay output NO type dry contact
  • Connector for external temperature sensor (sensor optional)
  • Accurate temperature measurement over a wide range
  • Notification when preset temperature limits are exceeded and automatic intervention (thermostat)
  • Alarm to up to 4 phone numbers, call/SMS
  • Incoming SMS forward to a specified phone number
  • Setup and diagnostics via USB connection
  • Remote configuration via SMS messages
Application
  • Alarm signalling device via mobile network
  • Phone call based gate opener with dialer ID with authentication
  • Temperature control in high humidity (-55°C / +125°C)
  • GSM thermostat function
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SS21-GSM M2

The device can be used in 3 different modes depending on the settings:
– Call and SMS notification when a contact input event occurs
– Relay control with free phone call
– Temperature range supervision in remote locations
The device makes an alarm call and/or sends a text message to up to 4 phone numbers. The relay output can be controlled from up to 8 phone numbers with caller ID authorisation.
It is possible to grant temporary control rights up to a validity date for up to 4 phone numbers. This date can also be easily changed by SMS, so that e.g. the AIRBNB electronic door key can be easily entered and deleted. In a configuration without caller ID, an unlimited number of users can control the output relay.

Technical details

Network connection
GSM (2G)
Alert notifications
Alarm call / SMS
Inputs
2 (NO/NC)
Outputs
1 relay (NO) potential-free contact
Thermometer
External thermometer probe, measuring range -55°C / +125°C, IP67
Power supply
9-30V VDC
Rated current
100mA
Maximum current
300mA
Operating temperature
-25°C – +50°C
Dimensions
52x52x15mm
Weight25g