原装西门子SM1221数字量扩展模块
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数字量输入模块允许将控制器与过程中的数字信号连接。
这为用户提供了下列优势：
SM 1221 数字量输入信号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。
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Order number |
6ES7221-1BF32-0XB0 |
6ES7221-1BH32-0XB0 |
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|---|---|---|---|
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DIGITAL INPUT SM 1221, 8DI, 24V DC |
DIGITAL INPUT SM 1221, 16DI, 24V DC |
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Product type designation |
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Supply voltage |
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Rated value (DC) |
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|
Yes |
Yes |
|
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permissible range, lower limit (DC) |
20.4 V |
20.4 V |
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permissible range, upper limit (DC) |
28.8 V |
28.8 V |
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Input current |
|||
|
from backplane bus 5 V DC, max. |
105 mA |
130 mA |
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Digital bs |
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4 mA; per channel |
4 mA; per channel |
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Output voltage |
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Power supply to the transmitters |
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Yes |
Yes |
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Power losses |
|||
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Power loss, typ. |
1.5 W |
2.5 W |
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Digital bs |
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Number of digital bs |
8 |
16 |
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2 |
4 |
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Input characteristic curve in accordance with IEC 61131, type 1 |
Yes |
Yes |
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Number of simultaneously controllable bs |
|||
|
all mounting bs |
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|
8 |
16 |
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horizontal installation |
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|
8 |
16 |
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|
8 |
16 |
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vertical installation |
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|
8 |
16 |
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Input voltage |
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|
DC |
DC |
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|
24 V |
24 V |
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|
5 V DC at 1 mA |
5 V DC at 1 mA |
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|
15 VDC at 2.5 mA |
15 VDC at 2.5 mA |
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Input current |
|||
|
1 mA |
1 mA |
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|
2.5 mA |
2.5 mA |
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|
4 mA; Typical |
4 mA; Typical |
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Input delay (for rated value of b voltage) |
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for standard bs |
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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 bs |
|||
|
Yes |
Yes |
|
|
Cable length |
|||
|
500 m |
500 m |
|
|
300 m |
300 m |
|
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Digital outputs |
|||
|
Number of digital outputs |
0 |
0 |
|
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short-circuit protection |
No |
No |
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Interrupts/diagnostics/status inbation |
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|
Alarms |
|||
|
Yes |
Yes |
|
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Yes |
Yes |
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Diagnostic messages |
|||
|
Yes |
Yes |
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|
Yes |
Yes |
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Diagnostics indication LED |
|||
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Yes |
Yes |
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|
Yes |
Yes |
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|
Yes |
Yes |
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Potential separation |
|||
|
Potential separation digital bs |
|||
|
2 |
4 |
|
|
Degree and class of protection |
|||
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Degree of protection to EN 60529 |
|||
|
Yes |
Yes |
|
|
Standards, approvals, certificates |
|||
|
CE mark |
Yes |
Yes |
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|
CSA approval |
Yes |
Yes |
|
|
cULus |
Yes |
Yes |
|
|
FM approval |
Yes |
Yes |
|
|
RCM (berly C-TICK) |
Yes |
Yes |
|
|
Marine approval |
|||
|
Yes |
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|
Ambient conditions |
|||
|
Free fall |
|||
|
0.3 m; five times, in dispatch package |
0.3 m; five times, in dispatch package |
|
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Ambient temperature in operation |
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|
-20 °C to +60 °C horizontal mounting, -20 °C to 50 °C vertical mounting, 95% humidity, non-condensing |
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|
-20 °C |
-20 °C |
|
|
60 °C |
60 °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 b |
|||
|
required front connector |
Yes |
Yes |
|
|
Mechanics/material |
|||
|
Type of housing (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 |
|
原装西门子SM1221数字量扩展模块
【产品规格】：全新原装；德国进口
【产品质量】：质量保证；假一罚十
【产品价格】：价格合理；物有所值
【产品货期】：大量现货；长期供应
