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Specifications
433MHz / 475Mhz 10-50mWRF AMR mesh module
CFDA based for single-phase energy meter
UART/TTL, RS-485
Shenzhen Friendcom Technology Development Co., Ltd. engaged in Researching & Development of electric power meter-reading, wireless data communication and electric power products for many years. According to current problem of multi-functional power meter data-reading, checking-time and programme; we promote a best solution---Embedded Meter-Reading system which embed a small wireless data module into multi-functional power meter to realize data communication by wireless and two-way transmission.
Design concept:
1. Newest: Using wireless data transmission and computer to realize power meter data-reading, checking-time and programme remotely.
2. Easy-use: Not need go out of the power meter-reading control centre, Just using wireless hand-held receiver, wireless meter-reading car or wireless relay transmission this three way for data reading.
3. Easy-installed: Modular design, small and line-easy, embedded data transceiver directly install in power meter.
4. Non-apply frequency band: Use the free-apply wireless measure frequency in China.
Main Features:
Wireless self organized mesh network, robust and reliable
Strong performance of each node with good penetrating capability
Self adapting frequency hopping to enhance the anti-interference performance of system
Intellectualized installation: plug-and-play, no need to configure on site or configure before installation
High data transmission speed: 19,200bps
Supports DL/T 698 and 645 protocols
No. | Pin | Description |
1.2 | VCC | Analog power, provided by energy meter, voltage +12V~+15V, output power 1.5W. |
3.4 | GND | Ground |
5 | VDD | Digital power, provided by energy meter, DC5V, current 50mA |
6 | DAU_TXD | Data transmitting pin, 5V TTL level |
7 | DAU_RXD | Data receiving pin, 5V TTL level |
8 | /SET | Address setting |
9. | STA | Unuseful function |
10 | /RST | Reset pin, effective for low electric level |
11 | TEST | Output pin for testing, don’t connection will be OK |
12 | EVENTOUT | Event statues output of energy meter |
Technical Specification
NO. | Tech index | Parameter |
1 | Modulation | GFSK |
2 | Frequency | 433.050MHz~434.790MHz |
3 | Output | ∠10dBm |
4 | Receiving sensitivity | -108dBm(10Kbps) |
5 | Working temperature | -40°C~+70°C |
6 | Working humidity | 10%~100% RH |
Typical Application Example
Over 5 million CellMesh™ nodes running in the field of China State Grid and China Southern Power Grid have proved its success.
Interface Description
1—ON/OFF, power switch.
2—Power Supply, 12VDC.
3—RS-232 Serial Port , connect to PC
4—JP1, connect to FC-621GB-B1
5—JP2, connect to FC-621GB-J
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