The Phoenix Contact 2313520 PSI-MODEM-SMS-REL/6ADI/4DO/DC SMS relay module for transmission of I/O data via SMS over any GSM mobile network. Every status change at the input sends a freely definable text message to a preselected recipient via SMS. The outputs can be switched off via SMS with the help of a predefined message, which allows errors to be remotely acknowledged and eliminated. The status of individual inputs and outputs can be requested via SMS in order to obtain an overview of the system as a whole. The relay outputs can be switched for a predefined amount of time and then return to the output status.
DIN rail mountable, includes 6 digital inputs and 4 relay outputs operating on a supply voltage of 24 VDC. Package includes: SMS Relay, antenna, software, and RS-232 cable.