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      • 西門子SB 1221 數字量輸入模塊
        發布者:上海勵輝自動化科技有限公司  發布時間:2018-05-28 15:37:17  訪問次數:61



        SB 1221 數字量輸入模塊


        Overview

        • 數字量輸入作為 SIMATIC S7-1200 CPU 的集成 I/O 的補充
        • 可直接插入 CPU

        Area of application

        SB 1221 信號板數字量輸入模塊允許將控制器與過程數字信號連接。


        --------------------------------------------------------------------------------------
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        西門子工控系統及設備,品牌:SIEMENS(西門子)各種高中低壓電器.全新原裝 價格優勢 質量保證

        長期經營:
        DP總線電纜接頭、PLC系列:S7-200、S7-200CN、S7-200Smart、S7-300、S7-400、S7-1200、S7-1500、觸摸屏、變頻器、伺服電機、S I T O P電源、電線電纜、數控系統、人機界面、軟啟動器、西門子軟件等等、
        誠信經營、質量為本、愿交西門子工控系列產品長期合作伙伴!


        Design

        信號板直接插到每個 S7-1200-CPU 前面的支架中。

        • 安裝:
          信號板可直接插到 SIMATIC S7-1200-CPU 中,因此使用這種方法可以電氣、機械地連接到 CPU。
        • CPU 的安裝尺寸保持不變。
        • 所有信號板上的端子均可拆卸,便于更換(“永久接線”)。

        Functions

        SB 1221 信號板數字量輸入/輸出模塊將過程中的外部數字信號電平轉換為 S7-1200 的內部信號電平。


        Technical Specifications

        Order number

        6ES7221-3AD30-0XB0

        6ES7221-3BD30-0XB0

        SIGNAL BOARD SB 1221, 4 DI 5VDC 200KHZ

        SIGNAL BOARD SB 1221, 4 DI 24VDC 200KHZ

        Product type designation

         

         

        Input current

         

         

        from backplane bus 5 V DC, typ.

        50 mA

        50 mA

        Output voltage

         

         

        Power supply to the transmitters

         

         

        • ● Supply current, max.

        4 mA; per channel

        4 mA; per channel

        Power loss

         

         

        Power loss, typ.

        1 W

        1 W

        Digital inputs

         

         

        Number of digital inputs

        4; Current-sourcing

        4; Current-sourcing

        • ● in groups of

        1

        1

        Input characteristic curve in accordance with IEC 61131, type 1

        Yes

        Input characteristic curve in accordance with IEC 61131, type 2

        Yes

        Number of simultaneously controllable inputs

         

         

        all mounting positions

         

         

        • — up to 40 °C, max.

        4

        4

        Input voltage

         

         

        • ● Type of input voltage

        DC

        DC

        • ● Rated &#118alue (DC)

        5 V

        24 V

        • ● for signal "0"

        0 to 1 V

        0 to 5 V

        • ● for signal "1"

        2 to 6 V

        +15 to +30V

        Input current

         

         

        • ● for signal "0", max. (permissible quiescent current)

        3 mA

        2 mA

        • ● for signal "1", min.

        6 mA

        5.8 mA

        • ● for signal "1", typ.

        14 mA

        Input delay (for rated &#118alue of input voltage)

         

         

        for standard inputs

         

         

        • — Parameterizable

        Yes; 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms and 12.8 ms, selectable in groups of four

        Yes; 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms and 12.8 ms, selectable in groups of four

        • — at "0" to "1", max.

        2 μs

        2.5 μs

        for interrupt inputs

         

         

        • — Parameterizable

        Yes

        Yes

        for counter/technological functions

         

         

        • — Parameterizable

        Yes

        Yes

        Cable length

         

         

        • ● shielded, max.

        50 m; shielded, twisted pair

        50 m; Standard input: 500 m, high-speed counters: 50 m

        Digital outputs

         

         

        Number of digital outputs

        0

        0

        short-circuit protection

        No

        No

        Interrupts/diagnostics/status information

         

         

        Alarms

         

         

        • ● Alarms

        Yes

        Yes

        Diagnostic messages

         

         

        • ● Diagnostic functions

        Yes

        Yes

        Diagnostics indication LED

         

         

        • ● for status of the inputs

        Yes

        Yes

        Degree and class of protection

         

         

        Degree of protection acc. to EN 60529

        • ● IP20

        Yes

        Yes

        Ambient conditions

         

         

        Free fall

         

         

        • ● Fall height, max.

        0.3 m; five times, in dispatch package

        0.3 m; five times, in dispatch package

        Ambient temperature during operation

         

         

        • ● permissible temperature range

        0 °C to 55 °C horizontal installation, 0 °C to 45 °C vertical installation

        -20 °C to +60 °C horizontal mounting, -20 °C to 50 °C vertical mounting, 95% humidity, non-condensing

        • ● min.

        0 °C

        -20 °C

        • ● max.

        55 °C

        60 °C

        Ambient temperature during storage/transportation

         

         

        • ● min.

        -40 °C

        -40 °C

        • ● max.

        70 °C

        70 °C

        Air pressure acc. to IEC 60068-2-13

         

         

        • ● Storage/transport, min.

        660 hPa

        660 hPa

        • ● Storage/transport, max.

        1 080 hPa

        1 080 hPa

        Relative humidity

         

         

        • ● permissible range (without condensation) at 25 °C

        95 %

        95 %

        Mechanics/material

         

         

        Type of housing (front)

        • ● plastic

        Yes

        Yes

        Dimensions

         

         

        Width

        38 mm

        38 mm

        Height

        62 mm

        62 mm

        Depth

        21 mm

        21 mm

        Weights

         

         

        Weight, approx.

        40 g

        40 g

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