- 数字量输入作为 SIMATIC S7-1200 CPU 的集成 I/O 的补充
- 可直接插入 CPU
询价热线: 15000687827,021-60512610
信号板直接插到每个 S7-1200-CPU 前面的支架中。
- 安装:
信号板可直接插到 SIMATIC S7-1200-CPU 中,因此使用这种方法可以电气、机械地连接到 CPU。 - CPU 的安装尺寸保持不变。
- 所有信号板上的端子均可拆卸,便于更换(“**接线”)。
Functions
SB 1221 信号板数字量输入/输出模块将过程中的外部数字信号电平转换为 S7-1200 的内部信号电平。
Technical Specifications
Order number |
6ES7221-3AD30-0xB0 |
6ES7221-3BD30-0xB0 |
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SIGNAL BOARD SB 1221, 4 DI 5VDC 200KHZ |
SIGNAL BOARD SB 1221, 4 DI 24VDC 200KHZ |
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General information |
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Product type designation |
SB 1221 4xDI 5VDC 200kHz |
SB 1221 4xDI 24VDC 200kHz |
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Input current |
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from backplane bus 5 V DC, typ. |
40 mA |
40 mA |
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Power loss |
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Power loss, typ. |
1 W |
1 W |
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Digital inputs |
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Number of digital inputs |
4; Current-sourcing |
4; Current-sourcing |
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4 |
4 |
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Input voltage |
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DC |
DC |
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5 V |
24 V |
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(L+ minus 1.0 V DC) ... L+ (2.2 ... 0 mA) |
(L+ minus 5.0 V DC) ... L+ (1.4 ... 0 mA) |
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0 V ... (L+ minus 2.0 V DC (20 ... 5.1 mA)) |
0 V ... (L+ minus 10 V DC (10 ... 2.9 mA)) |
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Input current |
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2.2 mA |
1.4 mA |
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5.1 mA |
2.9 mA |
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|
7 mA |
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Input delay (for rated value of input voltage) |
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for standard inputs |
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Yes; 0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 μs; 0.05 / 0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 ms |
Yes; 0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 μs; 0.05 / 0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 ms |
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for interrupt inputs |
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Yes |
Yes |
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for counter/technological functions |
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Yes |
Yes |
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Cable length |
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50 m; shielded, twisted pair |
50 m; shielded, twisted pair |
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Diagnostics indication LED |
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Yes |
Yes |
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Degree and class of protection |
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Degree of protection acc. to EN 60529 |
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Yes |
Yes |
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Ambient conditions |
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Free fall |
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0.3 m; five times, in product package |
0.3 m; five times, in product package |
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Ambient temperature during operation |
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-20 °C to +60 °C horizontal mounting, -20 °C to 50 °C vertical mounting |
-20 °C to +60 °C horizontal mounting, -20 °C to 50 °C vertical mounting with 2 simultaneously activated, non-adjacent inputs; otherwise up to 55 °C with horizontal mounting or 45 °C with vertical mounting |
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-20 °C |
-20 °C |
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60 °C |
60 °C |
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Ambient temperature during storage/transportation |
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-40 °C |
-40 °C |
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70 °C |
70 °C |
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Air pressure acc. to IEC 60068-2-13 |
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660 hPa |
660 hPa |
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1 080 hPa |
1 080 hPa |
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Relative humidity |
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|
95 % |
95 % |
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Mechanics/material |
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Enclosure material (front) |
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Yes |
Yes |
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Dimensions |
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Width |
38 mm |
38 mm |
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Height |
62 mm |
62 mm |
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Depth |
21 mm |
21 mm |
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Weights |
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Weight, approx. |
35 g |
35 g |