SM 1221 數(shù)字量輸入模塊- 訂貨數(shù)據(jù)
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- 附件
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- 產(chǎn)品信息
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- 組態(tài)工具
跳轉(zhuǎn)到概述 應(yīng)用 功能 技術(shù)規(guī)范 更多信息 概述- 為CPU的本機(jī)I/O提供更多的數(shù)字量輸入
- 用于使控制器靈活地適應(yīng)相關(guān)任務(wù)的要求
- 用于使用附加輸入對系統(tǒng)進(jìn)行后續(xù)擴(kuò)展
應(yīng)用數(shù)字量輸入模塊允許將控制器與過程中的數(shù)字信號連接。 這為用戶提供了下列優(yōu)勢： - 適應(yīng)性：
使用可以根據(jù)需要混合的信號模塊，用戶可以使其控制器準(zhǔn)確地滿足相關(guān)任務(wù)的要求。這可以避免產(chǎn)生不必要的投資?？梢允褂脦в?8 個(gè)、16 個(gè)和 32 個(gè)輸入/輸出通道的模塊。 - 靈活性：
如果任務(wù)后續(xù)有所擴(kuò)展，可以升級控制器。更新用戶程序非常簡單。
功能SM 1221 數(shù)字量輸入信號模塊將過程中的外部數(shù)字信號電平轉(zhuǎn)換為 S7-1200 的內(nèi)部信號電平。
技術(shù)規(guī)范Article number | 6ES7221-1BF32-0XB0 | 6ES7221-1BH32-0XB0 |
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| DIGITAL INPUT SM 1221, 8DI, 24V DC | DIGITAL INPUT SM 1221, 16DI, 24V DC |
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Supply voltage | | | Rated value (DC) | | | | Yes | Yes | permissible range, lower limit (DC) | 20.4 V | 20.4 V | permissible range, upper limit (DC) | 28.8 V | 28.8 V | Input current | | | from backplane bus 5 V DC, max. | 105 mA | 130 mA | Digital inputs | | | | 4 mA; per channel | 4 mA; per channel | Output voltage | | | Power supply to the transmitters | | | | Yes | Yes | Power loss | | | Power loss, typ. | 1.5 W | 2.5 W | Digital inputs | | | Number of digital inputs | 8 | 16 | | 2 | 4 | Input characteristic curve in accordance with IEC 61131, type 1 | Yes | Yes | Number of simultaneously controllable inputs | | | all mounting positions | | | | 8 | 16 | horizontal installation | | | | 8 | 16 | | 8 | 16 | vertical installation | | | | 8 | 16 | Input voltage | | | | DC | DC | | 24 V | 24 V | | 5 V DC at 1 mA | 5 V DC at 1 mA | | 15 V DC at 2.5 mA | 15 V DC at 2.5 mA | Input current | | | | 1 mA | 1 mA | | 2.5 mA | 2.5 mA | | 4 mA | 4 mA | Input delay (for rated value of input voltage) | | | for standard inputs | | | | 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 | for interrupt inputs | | | | Yes | Yes | Cable length | | | | 500 m | 500 m | | 300 m | 300 m | Interrupts/diagnostics/status information | | | Alarms | | | | Yes | Yes | Diagnostics indication LED | | | | Yes | Yes | Potential separation | | | Potential separation digital inputs | | | | 2 | 4 | Degree and class of protection | | | Degree of protection acc. to EN 60529 | | | | Yes | Yes | Standards, approvals, certificates | | | CE mark | Yes | Yes | CSA approval | Yes | Yes | UL approval | Yes | Yes | cULus | Yes | Yes | FM approval | Yes | Yes | RCM (formerly C-TICK) | Yes | Yes | Marine approval | | Yes | Ambient conditions | | | Free fall | | | | 0.3 m; five times, in product package | 0.3 m; five times, in product package | Ambient temperature during operation | | | | -20 °C | -20 °C | | 60 °C | 60 °C | | -20 °C | | | 60 °C | | | -20 °C | | | 50 °C | | | 5°C to 55°C, 3°C / minute | 5°C to 55°C, 3°C / minute | Ambient temperature during storage/transportation | | | | -40 °C | -40 °C | | 70 °C | 70 °C | Air pressure acc. to IEC 60068-2-13 | | | | 660 hPa | 660 hPa | | 1 080 hPa | 1 080 hPa | Relative humidity | | | | 95 % | 95 % | Connection method | | | required front connector | Yes | Yes | Mechanics/material | | | Enclosure material (front) | | | | Yes | Yes | Dimensions | | | Width | 45 mm | 45 mm | Height | 100 mm | 100 mm | Depth | 75 mm | 75 mm | Weights | | | Weight, approx. | 170 g | 210 g |
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