công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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ZE25-O3 bảng dữ liệu(PDF) 4 Page - Zhengzhou Winsen Electronics Technology Co., Ltd. |
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ZE25-O3 bảng dữ liệu(HTML) 4 Page - Zhengzhou Winsen Electronics Technology Co., Ltd. |
4 / 6 page Zhengzhou Winsen Electronics Technology Co.,Ltd www.winsen-sensor.com Tel: 86-371-67169097/67169670 Fax: 86-371-60932988 Email: sales@winsensor.com Leading gas sensing solutions supplier in China! Pin definition Table 2 PIN4 Vin (input 3.7V~5.5V) Fig.2: Pin definition PIN3 GND PIN2 DAC (0.4-2.0V is corresponding to 0-10ppm) PIN7 Reserved PIN1 Reserved PIN5 UART (RXD) 0~3.0V Data input PIN6 UART (TXD) 0~3.0V Data output Communication Protocol 1 General Settings Table 3 Baud Rate 9600 Data Byte 8 bytes Stop Byte 1 byte check bits Null 2 Communication Commands There are two communication type: active upload type and Question & Answer type. The default type for this module is active upload and it sends gas concentration every other second. If it is Q&A mode and you want to switch it to active upload mode again, please send following command: Command to switch Q&A mode to active upload mode: Table 4 Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7 Byte8 Start Byte Reserved Switch command Active upload Reserved Reserved Reserved Reserved Checksum 0xFF 0x01 0x78 0x40 0x00 0x00 0x00 0x00 0x47 Data of active upload show as follow: Table 5 Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7 Byte8 Start Byte Gas name O3 unit Number of Digital 0 Concentration High Byte Concentration Low Byte Full scale High Byte Full scale Low Byte Checksum 0xFF O3=0x2A ppb=0x04 0x00 0x00 0x25 0x27 0x10 0x75 NOTE: Gas concentration(PPB)=(Concentration high byte*256+Concentration low byte). PPM=PPB/1000. When users need Q&A mode, send the following command to turn off active upload mode, and then send command to read concentration. The command to turn off active upload mode as follow: |
Số phần tương tự - ZE25-O3 |
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Mô tả tương tự - ZE25-O3 |
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