| Message: | Model:S275
Name: GSM GPRS 3G BTS RTU
The GPRS 3G BTS RTU is a multi I/O port remote terminal unit, through the RS232/485 port can extend up to 64 additional I/O or connect intelligent meters or PLC. It is special for BTS monitoring, remote data acquisition, telemetrically, BTS access control and other applications. It supports voice communication, SMS, GPRS, 3G and RJ45 LAN IP communications.
The GPRS 3G BTS RTU can be used as remote access control,The authorized users can open the gate or turn on the machine with a free charge call at specified time.
The GPRS 3G BTS RTU supports Modbus RTU, Modbus TCP, TCP/IP protocol, transparent data transmission over GPRS/3G, RS232,RS485, RJ45, performs as Modbus Master or Modbus Slave.
The GPRS 3G BTS RTU can be used as Modbus RTU SMS Alarm, when the data acquisition from via RS232/485 exceeds threshold, it also can send pre-definition SMS to users.
Mainly Features:
1. ARM® Cortex™-M4 32 Bit RISC Core, 168 MHz inside, RTOS system;
2. Widely Rated voltage range, 9~36VDC, Inbuilt large capacity rechargeable backup battery;
3. 4G SD card for save historical data, USB port for configuration;
4. 6 analog inputs, 16bits, supports 0-5V, 0-20mA, 4-20mA;
5. 6 digital outputs, 5A/30VDC,5A/250VAC;
6. 8 digital inputs, dry contact or level input. One of the input can be used as counter;
7. 1 temperature probe input, 1 humidity transducer input;
8. I/O ports with opto-isolated, RS232/485 with 15KV ESD protection;
9. 2 IP data centers, supports Modbus TCP,TCP/IP protocol over GPRS/3G/RJ45 LAN network;
10. RS232/RS485 can performs Modbus RTU Master, Modbus RTU Slave, supports 01,02,03,05 code, up to 64 registers, the register arise alarm also can send SMS to alert;
11. RS232/485 can be used as data transparent transmission for different intelligent meters or PLC;
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