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Product List Current position:Home >> Cellular IoT RTU-GSM SMS 3G 4G RTU >> GSM 3G M2M RTU (4D+I4AI+4DO+1TH+1USB)
 

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Name:GSM 3G M2M RTU (4D+I4AI+4DO+1TH+1USB)
Model:S271(GSM+3G Version)
The GSM 3G M2M RTU is a multi I/O port remote terminal unit. It is special for BTS monitoring, remote data acquisition, telemetrically, BTS access control and other applications. It supports voice communication, SMS, GPRS, 3G communications.
Introduction
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The GSM 3G M2M RTU is a multi I/O port remote terminal unit. It is special for BTS monitoring, remote data acquisition, telemetrically, BTS access control and other applications. It supports voice communication, SMS, GPRS, 3G communications.

The GSM 3G M2M 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 GSM 3G M2M RTU supports Modbus TCP, TCP/UDP protocol, transparent data transmission over GPRS/3G, performs as Modbus Slave.

S27x GSM 3G RTU M2M Automation Table

Model

Details

3G

Precision

DIN

AIN

PT100

DO

Register

Record

Port

S270

 More

V

12bit

2

2

0

2

X

200

USB

S271

 More

V

12bit

4

4

0

4

X

200

S272

  More

V

12bit

8

6

0

4

X

SD

USB/RS232/RS485

S273

  More

V

12bit

8

6

0

4

64

SD

S274

  More

Reserved

S275

  More

V

16bit

8

6

0

4

64

SD

USB/RS232/RS485/RJ45

Notice

 

 

1. *C stands for inbuilt module is CDMA2000. *W stands for inbuilt module is WCDMA.

2. All of them support 1 temperature and 1 humidity inputs for environment monitoring.


A: I/O port connections;

B: Through GPRS to OMC, the protocol is defined by user of personal.

C: Through GPRS to standard SCADA systems. Under this condition, the RTU performs Modbus Slave.

D: Through SMS to control RTU or receive alarm information. or through voice communication to open the door or receive alarm calling.

 
 
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