概述
summarize
WZPK溫度變送器是我公司推出的一款高性價產品，適用于多達十種的各型熱電偶和熱電阻信號變送。該產品使用24位Σ-△模擬前端，保證測量的高精度；完善的防浪涌、防反接設計，避免了工程應用中的誤安裝和誤操作；增強的軟件安全設計，包括低壓監控復位、多任務調度優化等功能。WZPK全部采用進口元器件，保證較長的使用壽命和穩定性。為了便于大客戶的長期備貨，可使用USB通訊線進行組態設置，并且設置時無需外接電源。
WZPK temperature transmitter is a high cost product from our company, suitable for up to ten types of thermocouple and thermal resistance signal transmission. The product uses a 24-bit Σ-△ analog front end to ensure high precision measurement. Perfect anti-surge and anti-reverse design to avoid misinstallation and misoperation in engineering applications; Enhanced software security design, including low-voltage monitoring reset, multi-task scheduling optimization and other functions. WZPK all use imported components to ensure long service life and stability. In order to facilitate the long-term stocking of large customers, the USB communication cable can be usedfor configuration Settings, and no external power supply is required for setting.
二、技術參數
Technical parameters
工作電源 | 12~35VDC | 輸出 | 二線制4~20mA | |
測量精度 | RTD 0.1%; TC 0.2% | 輸出限流 | 20.3mA | |
激勵電流 | 0.2mA | 傳感器 | 各型熱電阻、熱電偶 | |
負載 | 250Ω或500Ω | 運輸和存儲溫度 | -40~120℃ | |
溫度系數 | ≤25ppm/℃ F.S. | 殼體材料 | PA66 | |
工作溫度 | -30~80℃ | 安裝螺絲 | M4*2 |
三、接線方式
wiring mode
1號接線柱和2號接線柱分別為24V電源正負極，線路板帶防反接功能。
The No. 1 terminal and No. 2 terminal are respectively the positive and negative terminals of 24V power supply, and the circuit board has anti-reverse connection function.
熱電阻連接支持二線制、三線。連接方式如上圖所示，實線為傳感器引出線，虛線為短接線，需要用戶自行用短導線連接（出廠時也可按客戶需要在內部短接好）。
熱電偶正極連接3號接線柱，負極連接4號接線柱即可。
The thermal resistance connection supports two wire and three wire. The connection method is shown in the figure above. The solid line is the sensor leadout line, and the dashed line is the short wire, which needs to be connected by the user with a short wire (it can also be short-connected internally according to the customer's needs).
The positive terminal of the thermocouple is connected to terminal 3, and the negative terminal is connected to terminal 4.
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三、上位機軟件使用方法
the use of computer software
安裝USB通訊線驅動和程序運行環境；
通訊線一端接電腦USB接口，另一端接在智能模塊上，無需24V供電；
雙擊WZPK.exe文件進入設置軟件；
點擊串口號下拉表選擇連接線對應的串口號，點擊確定；
點擊左上角的組態設置就可以進行組態設置。
Install USB communication cable driver and program running environment;
One end of the communication cable is connected to the USB interface of the computer, and the other end is connected to the intelligent module, without 24V power supply;
Double-click the WZPK.exe file to enter the setup software;
Click the serial port number drop-down list to select the serial port number corresponding to the cable, and click OK;
Click Configuration Settings in the upper left corner to set the configuration.
四、使用須知
Instructions for Use
儀表儲藏與使用適宜在環境溫度為-30℃~80℃，濕度小于80%的場合；
上位機使用的USB通訊線為我公司專門定制，使用其他數據線連接可能會損傷模塊；
儀表連接電源時應參照第三節接線方式進行操作，在確認操作無誤后方可接通電源進行運行。
Instrument storage and use is suitable for the environment temperature of -30℃~80℃, humidity is less than 80% of the occasion;
The USB communication cable used by the upper computer is specially customized for our company, and the use of other data cables may damage the module;
When connecting the instrument to the power supply, please refer to the wiring method in Section 3 for operation, and then switch on the power supply for operation after confirming that the operation is correct.
五、質保
Quality assurance
用戶在遵守使用規范的情況下，自出廠日期起，我們為用戶提供保修一年以及終身的技術支持服務。歡迎廣大客戶，我們重視您的任何寶貴建議。
Users in the case of compliance with the use of specifications, since the factory date, we provide users with a one-year warranty and lifelong technical support services. Welcome customers to inquire, we value any valuable suggestions you.
