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Help CenterThe Most Popular GPRS GSM 3G SMS RTU Controller Modbus Gateway S275
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The Most Popular GPRS GSM 3G SMS RTU Controller modbus gateway S275
A Professional & Biggest GSM SMS Controller, GSM GPRS 3G M2M, GSM GPRS 3G RTU Automation, GSM GPRS 3G Telemetry Data Logger
OEM ODM Manufacturer since 2005.
All of them support below functions:
- Upgrade firmware in future, one hardware, and unlimited upgradable firmwares.
- SMS and GPRS and Dial to alert;
- Via SMS and GPRS to control and program;
- Via USB Port to Configuration and upgrade firmware;
- Provide Android APPs to program and controls via Smart phones;
- Modbus RTU Master, Modbus RTU Slave, Transparent Transmission via RS232/485 ports;
- Transparent Transmission, KingPigeon RTU Protocol, and Modbus TCP over GPRS/3G/RJ45 ;
- S273/5 support SMS alert while the data exceed high-low via RS232/485 ports.
The GSM 3G M2M 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 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 RTU, Modbus TCP, TCP/UDP protocol, transparent data transmission over GPRS/3G, RS232, RS485, RJ45, performs as Modbus Master or Modbus Slave.
The GSM 3G M2M 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.
S27x GSM SMS Modbus RTU Controller, GSM SMS Controller RTU M2M Automation Table
App For Program and Operation:
Scan it to download the APP.
PC Configurator:
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 and upgrade firmware;
4.6 analog inputs, 16bits, supports 0-5V, 0-20mA, 4-20mA;
5.4 Relay 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 01,02,03,04,05 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;
12.Automatically resend the data while communication failure, GPRS failure will alert by SMS text;
13.Supports remotely restart the RTU, and configure it by SMS commands remotely;
14.Supports over voltage protection and phase-reversal protection
15.10 SMS Alert and auto dial numbers, can program to receive specified alarm message.
16.10 access control authorized numbers, can open the BTS door or turn on/off machine with a free charge call at the specified time.
Technical Specification:
Item |
Reference Scope |
DC Power supply |
Standard adapter: DC 12V/1.5A Range 9-36VDC |
Power consumption |
Standby:12V/70mA; Working Max.: 12V/300mA |
GSM Frequency |
850/900/1800/1900Mhz |
Transmit power |
Class 4 (2W) at EGSM 900 and EGSM 850 Class 1 (1W) at GSM 1800 and GSM 1900 |
GPRS connectivity |
GPRS multi-slot class 10 |
GPRS Data Transmission |
GPRS data downlink transfer: max. 85.6 kbps GPRS data uplink transfer: max. 42.8 kbps Coding scheme: CS-1, CS-2, CS-3 and CS-4 |
TCP/IP stack |
TCP,UDP |
SIM interface |
Supporting 3V SIM Card |
External antenna |
SMA Antenna interface, 50 Ohm |
Serial Interfaces |
1 USB Port; |
Protocols |
SMS, GPRS UDP,TCP, Modbus RTU, Modbus TCP and more equipment protocols can be added according to requirements. |
RS232/485 |
1 RS232 and 1 RS485, Support Transparent transmission and Modbus RTU Master, Modbus RTU Slave. |
RJ45 |
1 RJ45, support Modbus TCP protocol. |
Digital Inputs |
8 Digital input, NC/NO/Edge/Level type, Can be used as Pulse Counters; |
Analog Inputs |
6 Analog Inputs. 12 bit resolution, 0-5V or 0-20mA or 4-20mA; |
Temp.&Hum Inputs |
Temperature range: -40°C to +80°C. Humidity Range: 0~100%RH; |
Relay Outputs |
4, Rated: 5A/30VDC,5A/250VAC |
Power Outputs |
1 Port, for external device; |
Memory Capacity |
Internal Memory inside, can save the data for 1000events. |
Backup Battery |
3.7V 1200mAH |
Temperature range |
-10-+70 °C |
Humidity range |
Relative humidity 95% (condensation free) |
Exterior dimension |
168mm*113mm*32.3mm |
Net Weight |
1000 g |
1. How to make sure the quality?
- Process Quality Control
- Final Quality Control
- Outgoing Quality Control
2. How to get the order?
- First,Tell us the model and quantity of the products you want.
- Second ,we will make a PI for you.
- Third, After confirm everything,the payment will be arranged (Paypal, Western Union,T/T or Ali Trade Assurance for your money safety are welcomed)
- Fourth, we will send you the goods within the promissory time.
3. How about the Shipping?
- The DHL,UPS,Fedex,TNT usually calculate the shipment based on measure size or weight. They compare the measurement size in Cube meters and Gross weight, and choose the large value to calculate the shipment cost. (Calculation Formula is : L*W*H/5000=Measurement Size weight, unit is cm)
- Reference Shipment Cost
For example, ship to Denmark from China.
Weight(Kg) |
Shipment Cost |
Average Cost for per Kg |
0.5Kg |
22.32USD |
|
1Kg |
28.27USD |
28.27USD |
16Kg |
206.83USD |
12.93USD |
21Kg |
147.13USD |
7.00USD |
31Kg |
210.00USD |
6.77USD |
51Kg |
316.00USD |
6.20USD |
101Kg |
590.00USD |
5.84USD |
201Kg |
1145.70USD |
5.70USD |
- Our recommends:
For samples, ship by Express, usually 3-5days.
While place small order, try to make the finial weight more than 21Kg.
If the order weight less than 100Kg, recommend to ship them by Express.
If the weight is 101kg~200kg recommend to ship them by Air-cargo or express;
If the weight is above 200kgs, recommend to ship them by air cargo or by sea.
- For small order by express, 20-30 pcs per order is the best.
4. What's the delivery time?
- Sample within 1-3days;
- Wholesales 4-7days according different quantities;
- OEM 7-14 days after all info confirmed.
- ODM depends on the detail requirements.
5. What is the warranty of your company?
- 2~3 years warranty for the main unit; one year warranty for the accessories.
- Please send back the defective goods within the warranty period, we will repair them or send you new free.
- Please send to us some pictures and video about it need to confirm your problem then we will send you free new goods or parts instead.
6. Can you do the design for us?
Yes, Just tell us your idea (logo,text., etc) and our professional R&D team will help to carry out your ideas into reality.
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