Nimbus Technologies

Nimbus Technologies

Nimbus Technologies

Dombivli East, Dombivli, Maharashtra

Computer Peripherals

We are offering a wide assortment of Computer Peripherals. These Computer Peripherals are made up of premium quality material and are best known for their long term  usage.

G 4500 GPRS RTU with AI/DI/DO & Modbus RS485 Master Port


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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

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P300U is an EDGE/GPRS modem with USB interface, is a quad-band wide area wireless network card supporting all the global GSM/GPRS/EDGE cellular networks worldwide. Users around the world can enjoy the freedom to have access and share information “on the go” either on EDGE or GSM/GPRS networks. P300U provides users with ease of use to transfer large files, download graphic intense files, send/receive SMS messages and receive large amounts of data quickly at the same time. With P300U, users can stay connected on EDGE networks with over 200 Kbps speed (network support needed).



·   Data interface: USB specification 2.0 compliant full-speed

·  Quad-band 850/900/1800/1900 MHz

·  GPRS/EDGE multi-slot class 12, GPRS mobile station class B

·  EDGE,GPRS and GSM circuit switched data

· Data, voice and SMS

· Support for multiple APNs

· Support for Multiplexer application

·  Firmware upgrade available

·  LED display ,simple integration via plug & play

· USB bus-powered, requires no external power supply

· Operating temperature:-20~+60

· Storage temperature: -30~+85

· Vibration (non-operating): 15g peak, 10Hz~2kHz

·   Humidity:<95% (non-condensing)

· Dimension: 109mm*46mm*16mm

· Weight: approx. 41g.

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