HIMA H6200A 發(fā)射器電路 PDF資料
1.產(chǎn) 品 資 料 介 紹：
中文資料：
HIMA H6200A 發(fā)射器電路功能說(shuō)明
HIMA H6200A 是一款用于工業(yè)自動(dòng)化安全系統中的模擬輸入模塊，其發(fā)射器電路主要用于接收來(lái)自現場(chǎng)儀表（如變送器）的模擬信號，典型為 4–20 mA 電流信號。該電路具有以下關(guān)鍵功能：
1. 變送器供電功能
H6200A 提供內部隔離的直流電源，為外部 2 線(xiàn)制變送器供電。電壓通常為 24V，電流受控，以保證供電穩定性和安全性。
2. 模擬信號采集
電流信號（如 4–20 mA）通過(guò)限流和采樣電路轉換為電壓信號，供后續 A/D 轉換處理。H6200A 會(huì )對輸入信號進(jìn)行線(xiàn)性化處理，轉換為控制系統可識別的數據格式。
3. 電氣隔離
通過(guò)隔離放大器或光電耦合器，實(shí)現信號通道、電源與系統主板之間的電氣隔離，有效防止接地電位差、過(guò)壓等干擾傳入控制系統。
4. 故障監測
具備以下故障檢測功能：
信號開(kāi)路檢測（例如變送器斷線(xiàn)）
信號短路保護
輸入電壓/電流異常報警
5. 系統集成能力
H6200A 可作為 HIMatrix 或 HIMax 系統的一部分，通過(guò)系統后端的安全處理器完成信號的診斷、邏輯運算和數據上傳。具備冗余設計能力，可滿(mǎn)足 SIL3 等級的應用需求。
英文資料：
Function Description of HIMA H6200A Transmitter Circuit
HIMA H6200A is an analog input module used in industrial automation safety systems. Its transmitter circuit is mainly used to receive analog signals from field instruments (such as transmitters), typically 4-20 mA current signals. This circuit has the following key functions:
1. Power supply function of transmitter
H6200A provides internally isolated DC power supply to power external 2-wire transmitters. The voltage is usually 24V, and the current is controlled to ensure power supply stability and safety.
2. Analog signal acquisition
The current signal (such as 4-20 mA) is converted into a voltage signal through current limiting and sampling circuits for subsequent A/D conversion processing. H6200A will linearize the input signal and convert it into a data format recognizable by the control system.
3. Electrical isolation
By isolating amplifiers or optocouplers, electrical isolation is achieved between the signal channel, power supply, and system motherboard, effectively preventing interference such as ground potential difference and overvoltage from entering the control system.
4. Fault monitoring
Equipped with the following fault detection functions:
Signal open circuit detection (such as transmitter disconnection)
Signal short circuit protection
Abnormal input voltage/current alarm
5. System integration capability
H6200A can be used as a part of the HIMatrix or HIMax system, completing signal diagnosis, logical operations, and data uploading through the security processor in the system backend. Capable of redundant design to meet the application requirements of SIL3 level.
2.產(chǎn) 品 展 示
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