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產(chǎn)品簡介
A-B 1794-IT8 熱電偶輸入模塊 竭誠服務(wù)
產(chǎn)品價(jià)格:¥2584.00元/個(gè)
上架日期:2023-07-20
發(fā)貨地:福建 廈門市
供應(yīng)數(shù)量:不限
最少起訂:1個(gè)
瀏覽量:159
詳細(xì)說明
    詳細(xì)參數(shù)
    品牌AB(Allen-Bradley)型號1794-IT8
    結(jié)構(gòu)形式模塊式安裝方式控制室安裝
    LD指令處理器硬PLCI/O點(diǎn)數(shù)8
    功能熱電偶輸入模塊工作電壓-76.5至,76.5mV
    輸出頻率20kHz輸出程序容量750K
    產(chǎn)品認(rèn)證CE環(huán)境溫度0°Cto,60°C
    環(huán)境濕度95%,非冷凝加工定制
    重量2KG外形尺寸5.33cmx9.4cmx4.57cm

    A-B 1794-IT8 熱電偶輸入模塊


    制造商 : Allen-Bradley

    產(chǎn)品編號:1794-IT8

    產(chǎn)品類型 : 熱電偶輸入模塊

    輸入數(shù)量:8通道

    模塊位置:貓。編號 1794-TB2、-TB3 和 -TB3T 端子座單元

    標(biāo)稱輸入電壓范圍:-76.5 至 +76.5mV

    分辨率:16 位(典型值為 2.384 微伏)

    指示燈:1個(gè)紅/綠電源狀態(tài)指示燈

    柔性總線電流:20mA

    功耗:3W @ 31.2V dc

    散熱: 10.2 BTU/hr @ 31.2V dc

    鑰匙開關(guān)位置:3

    隔離電壓:從輸入和用戶電源到邏輯側(cè)在 850V dc 下測試 1s

    數(shù)據(jù)格式:16 位 2 的補(bǔ)碼或偏移二進(jìn)制(單極性)

    通道帶寬:0-2.62Hz (-3db)

    相對濕度:IEC 60068-2-30(測試 Db,未包裝非工作濕熱):5% 至 95% 非冷凝

    振動:IEC60068-2-6(測試 Fc,操作):5g @ 10-500Hz

    尺寸(長x寬x高):5.33cm x 9.4cm x 4.57cm

    重量 : 2 公斤



    FLEX I/O thermocouple/mV modules are block transfer modules that interface analog signals with any Allen-Bradley programmable controllers that have block transfer capability. Block transferprogramming moves b or output data words between the module’s memory and a designated area in the processor data table.

    Block transfer programming also moves configuration words from the processor data table to module m.The adapter/power supply transfers data to the module (block transfer write) and from the module (block transfer read) using BTW and BTR instructions in your ladder diagram program. These instructions let the adapter obtain b or output values and status from the module, and let you establish the module’s mode of operation. The illustration describes the communication process.


    The thermocouple/mV module comes with 2 cold junction compensators. These are designed to mount in designated bs on the temperature terminal base unit (cat. no. 1794-TB3T). Refer to chapter 2 for installation instructions for the cold junction compensator assemblies. In this chapter, you learned about the FLEX I/O system and the thermocouple module, and how they communicate with programmable controllers.



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