GPRS RTU MODEM is an extenssion of DTU, It has in addition to M2M inteface a powerful Server software, Few Inbuilt AI/AO/DI/DO, Multiple Serial port & Ethernet port in Advanced versions. Some Modems Have SD Memory for data logging. Some RTU has dedicated Modbus Master function Built in to interface to Modbus device through RS485 / TCP port.
GPRS RTU communication is Bi-directional to get & set I/O.
G-4500 RTU -Intelligent GPRS Remote Terminal Unit,
The G-4500 RTU is an intelligent Active GPRS Remote Terminal Unit which is built-in the specific firmware in G-4500 series. It is designed for communicating with Modbus RTU devices and provides active data transmission via GPRS connection. Except for the Modbus RTU’s data, the built-in I/O and GPS data also can be transferred to RTU Center software by the defined period or DI/AI trigger. With the built-in redundancy communication paths of GPRS and Ethernet in G-4500 RTU, the data would be guaranteed to transfer to host. Furthermore, G-4500 RTU provides simple I/O linkage control and the built-in I/O recorders in SD card.
We also provide M2M RTU center software with friendly Graphic interface to manage the GPRS RTU products easily. Users can monitor the I/O data and status of GPRS RTU devise by the interface on PC. By using the M2M RTU API tool and M2M RTU center software, any remote monitoring system can be achieved easily and efficiently. For SCADA system, the M2M.OPC server is provided to connect to
SCADA by OPC interface.
Easy to Establish GPRS Network Applications Applying the G-4500 RTU and M2M RTU center software, the dynamic IP addresses can be managed between them. The remote GPRS RTU product would connect to M2M RTU Center automatically. Therefore, all remote GPRS RTU devices can be managed by the single centralized M2M GPRS RTU Center software with a fixed IP address.
Active data transmission
The G-4500 RTU devices with active I/O transmission mechanism can raise the communication. Unlike the traditional poll communication, G-4500 RTU would transfer the data by the defined time, DI trigger or AI hi/lo alarm. In addition to improve the way of communication, that can also reduce the AP effort.
GT-541 Intelligent Multiport Serial to GPRS Gateway
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