GSM RTU universal programmable remote control S271

Model:S271

Name: GSM 3G M2M RTU (4D+I4AI+4DO+1TH+1USB)

TheGSM 3G M2M RTU is a multi I/O port remote terminal unit. It is special for BTSmonitoring, remote data acquisition, telemetrically, BTS access control andother applications. It supports voice communication, SMS, GPRS, 3Gcommunications.

Mainly Features:

1.      ARM? Cortex?-M432 Bit RISC Core, 168 MHz inside, RTOS system;

2.      WidelyRated voltage range, 9~36VDC, Inbuilt large capacity rechargeable backupbattery;

3.      Largeinternal memory for save 1000 historical data, USB port for configuration andupgrade firmware;

4.      4 analoginputs, 12bits, supports 0-5V, 0-20mA, 4-20mA;

5.      4 Relayoutputs, 5A/30VDC,5A/250VAC;

6.      4 digitalinputs, dry contact or level input. One of the input can be used as counter;

7.      1temperature probe input, 1 humidity transducer input;

8.      2 IP datacenters, supports Modbus TCP,TCP/IP protocol over GPRS/3G network;

9.     Automatically resend the data while communication failure, GPRS failurewill alert by SMS text;

10.   Supportsremotely restart the RTU, and configure it by SMS commands remotely;

11.   Supports overvoltage protection and phase-reversal protection;

12.   10 SMS alertand auto dial numbers, can program to receive specified alarm message.

1.      10 access control authorized numbers, can open the BTS door or turn on/offmachine with a free charge call at the specified time.