Grove 8 路 SSR 固態繼電器模組 I2C 控制 Grove 8 Channel Solid State Relay
原始價格:NT$3,100。NT$2,910目前價格:NT$2,910。 (未稅)
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Grove 8 路 SSR 固態繼電器模組 I2C 控制 兩條線控制八路繼電器 Grove 8-Channel Solid State Relay 八通道 SSR 繼電器模組
Grove 8 路 SSR 固態繼電器模組 封裝的固態繼電器(SSR)不使用線圈,而是使用功率半導體器件,如晶閘管和晶體管,它們提供比機械繼電器快得多的開關速度。在 Grove – 4通道固態繼電器是基於高品質的 G3MC202P 模塊,它可以讓你用一個5VDC控制最大 240VAC。在Grove界面的幫助下,使用SSR和arduino變得非常方便。
Grove 8 路 SSR 固態繼電器模組 使用板載STM32F030F4P6 分別控制通道。來自Arduino或其他板的命令通過I2C接口傳輸,板載STM32F030F4P6將解析命令,以便您可以控制所需的開關。
Grove 8 路 SSR 固態繼電器模組 功能
- 功耗低
- 持久的
- 可選的I2c地址
- 機械繼電器的優點:
- 與機電繼電器相比,固態繼電器具有更快的開關速度,並且沒有物理接觸磨損
- 完全無聲的操作
- 沒有物理接觸意味著沒有火花,允許它在爆炸性環境中使用,在切換過程中不會產生火花
- 延長使用壽命,即使它被多次激活,因為沒有可移動的部件可以磨損,也沒有接觸坑或堆積碳
- 整體結構緊湊,薄型SSR,帶有一體化引線框架,集成了PCB,端子和散熱器,比機械繼電器小得多,並且可以集成更多通道
- 缺點:
- 關閉時,電阻越高(產生熱量),電噪聲越大
- 開路時,電阻較低,反向漏電流
- 僅適用於AC laod
Grove 8 路 SSR 固態繼電器模組 規格
項目 | 值 |
---|---|
工作輸入電壓 | 4〜6V |
額定輸入電壓 | 5V |
額定負載電壓 | 100至240 VAC 50/60 Hz |
負載電壓範圍 | 75至264 VAC 50/60 Hz |
負載電流 | 0.1到2 A. |
漏電流 | 最大1.5 mA (200 VAC) |
絕緣電阻 | 最小1,000MΩ (500 VDC) |
操作時間 | ½負載電源週期最大+1 ms。 |
推出日期 | ½負載電源週期+最大1 ms。 |
儲存溫度 | -30°C至100°C(無結冰或冷凝) |
工作溫度 | -30°C至80°C(無結冰或冷凝) |
操作濕度 | RH為45%至85% |
輸入接口 | 我2 C |
默認I 2 C地址 | 0x11或0x12 |
可用I 2 C地址 | 0x00~0x7F |
輸出接口 | DIP女藍2針x8 |
零十字架 | 支持 |
證明 | UL / CSA |
注意
您可能會注意洩漏電流,1.5mA強度足以驅動低功率LED,因此當繼電器關閉時,LED仍可能發出微弱的光。
應用
- 需要低延遲切換的操作,例如舞檯燈光控制
- 需要高穩定性的設備,例如醫療設備,交通信號燈
- 需要防爆,防腐,防潮的情況,例如煤炭,化學工業。
文件與範例下載
引腳圖
注意
- 開關1-8具有相同的引腳功能,因此對於其他開關,可以參考LOAD1 / LOAD2。
- 在PCB的背面,有兩個接口:SWD和I 2 C.在編程固件時默認使用SWD接口,如果要使用I 2 C(實際上用作引導UART),則應設置在 BOOT高。
原理圖
繼電器控制
K1是繼電器模塊,當INT +和INT-之間施加5V電壓時,繼電器將打開。然後LOAD1將連接到LOAD2。我們使用NPN晶體管Q1(BC817-40)來控制INT +和INT-之間的電壓。
所述CTR是從Arduino的或其他板上的控制信號。它被10k R2拉低,如果沒有信號,Q1的’Gate’(端口1)將為0v,Q1關閉,因此K1將關閉。如果CTR變為5v,則Q1將打開。k1的INT將連接到系統的GND,對於K1,INT +和INT-之間將為5V ,因此K1將打開,LOAD1將連接到LOAD2。
雙向電平轉換器電路
這是一個典型的雙向電平轉換器電路,用於連接I 2 C總線的兩個不同電壓部分。該傳感器的I 2 C總線使用3.3V,如果Arduino 的I 2 C總線使用5V,則需要該電路。在上面的原理圖中,Q17和Q18是N溝道MOSFET 2N7002A,它用作雙向開關。
Grove – 8-Channel Solid State Relay
Grove – 8-Channel Solid State Relay Instead of using coil, packaged solid-state relays(SSR) use power semiconductor devices such as thyristors and transistors, which provide a much faster switching speed than the mechanical relays. The Grove – 8-Channel Solid State Relay is based on the high-quality G3MC202P module, which allows you to use a 5VDC to control MAX. 240VAC. With the help of Grove interface, it becomes very convenient to use the SSR with your arduino.
We use an on-board STM32F030F4P6 to control the channels separately. The command from Arduino or other boards is transmit via the I2C interface, the on-board STM32F030F4P6 will parse the command, so that you can control the switch you want.
Grove – 8-Channel Solid State Relay
1*Please be careful when working with high voltage AC load, please do not operate with power on.
2*This relay only works with AC load, if you use DC load, once the relay is turned on, it will always stay on.
3*Due to the leakage current, we do not recommend you to use this relay with low power appliance.
Grove – 8-Channel Solid State Relay Features
- Low power consumption.
- Zero Cross
- Long lasting.
- Optional I2c address.
- Eight-channel independent control..
- Advantages over mechanical relays:1-Solid-state relays have much faster switching speeds compared with electromechanical relays, and have no physical contacts to wear out.
2-Totally silent operation.
3-No physical contacts means no sparking, allows it to be used in explosive environments, where it is critical that no spark is generated during switching.
4-Increased lifetime, even if it is activated many times, as there are no moving parts to wear and no contacts to pit or build up carbon.
5-Compact, thin-profile SSR of monoblock construction with an all-in-one lead frame incorporates a PCB, terminals and heat sink, which is much smaller than mechanical relays, and can integrate more channels.
- Disadvantages:1-When closed, higher resistance (generating heat), and increased electrical noise.
2-When open, lower resistance, and reverse leakage current.
3-Only works for AC laod.
Typical Applications
- Operations that require low-latency switching, e.g. stage light control.
- Devices that require high stability, e.g. medical devices, traffic signals.
- Situations that require explosion-proof, anticorrosion, moisture-proof, e.g. coal, chemical industries.
Pin Map
Technical Details
Dimensions | 120mm x 60mm x 25mm |
Weight | G.W 255g |
Battery | Exclude |
Operating Input Voltage | 4~6V |
Rated Input Voltage | 5V |
Load Voltage Range | 75 to 264 VAC 50/60 Hz |
Rated Load Voltage | 100 to 240 VAC 50/60 Hz |
Load Current | 0.1 to 2 A |
Leakage Current | 1.5 mA max. (at 200 VAC) |
Insulation Resistance | 1,000 MΩ min. (at 500 VDC) |
Operating Temperature | -30°C to 80°C (with no icing or condensation) |
Operating Humidity | 45% to 85%RH |
Zero Cross | support |
Certification | UL / CSA |
Part List
Grove – 8-Channel Solid State Relay | 1 |
Grove Cable | 1 |
A set of Acrylic Shell | 1 |
ECCN/HTS
ECCN | EAR99 |
HSCODE | 85364110 |
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