品牌：SIEMENS/西门子 系列：西门子S7-1200安全数字量输入输出模块 型号：6ES7221-1BF32-0XB0 6ES7232-4HB32-0XB0 6ES7223-1BL32-0XB0 6ES7223-1PL32-0XB0 工作电压：24V
SIMATIC S7-1200, Digital input SM 1221, 8 DI, 24 V DC, Sink/Source
| General information | ||||||||||||
| Product type designation | SM 1221, DI 8x24 V DC | |||||||||||
| Supply voltage | ||||||||||||
| Rated value (DC) | 24 V | |||||||||||
| permissible range, lower limit (DC) | 20.4 V | |||||||||||
| permissible range, upper limit (DC) | 28.8 V | |||||||||||
| Input current | ||||||||||||
| from backplane bus 5 V DC, max. | 105 mA | |||||||||||
| Digital inputs | ||||||||||||
| ● from load voltage L+ (without load), max. | 4 mA; per channel | |||||||||||
| output voltage / header | ||||||||||||
| supply voltage of the transmitters / header | ||||||||||||
| ● product function / supply voltage for transmitters | Yes | |||||||||||
| Power loss | ||||||||||||
| Power loss, typ. | 1.5 W | |||||||||||
| Digital inputs | ||||||||||||
| Number of digital inputs | 8 | |||||||||||
| ● in groups of | 2 | |||||||||||
| Input characteristic curve in accordance with IEC 61131, | Yes | |||||||||||
| type 1 | ||||||||||||
| Number of simultaneously controllable inputs | ||||||||||||
| all mounting positions | ||||||||||||
| — up to 40 °C, max. | 8 | |||||||||||
| horizontal installation | ||||||||||||
| — up to 40 °C, max. | 8 | |||||||||||
| — up to 50 °C, max. | 8 | |||||||||||
| vertical installation | ||||||||||||
| — up to 40 °C, max. | 8 | |||||||||||
| Input voltage | ||||||||||||
|
● Rated value (DC) ● for signal "0" ● for signal "1" |
24 V 5 V DC at 1 mA 15 V DC at 2.5 mA |
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| Input current | ||||||||||||
|
● for signal "0", max. (permissible quiescent current) ● for signal "1", min. ● for signal "1", typ. |
1 mA 2.5 mA 4 mA |
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| Input delay (for rated value 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 | ||||||||||||
| for interrupt inputs | ||||||||||||
| — parameterizable | Yes | |||||||||||
| Cable length | ||||||||||||
|
● shielded, max. ● unshielded, max. |
500 m 300 m |
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| Interrupts/diagnostics/status information | ||||||||||||
| Alarms | ||||||||||||
| ● Diagnostic alarm | Yes | |||||||||||
| Diagnostics indication LED | ||||||||||||
| ● for status of the inputs | Yes | |||||||||||
| Potential separation | ||||||||||||
| Potential separation digital inputs | ||||||||||||
| ● between the channels, in groups of | 2 | |||||||||||
| Degree and class of protection | ||||||||||||
| IP degree of protection | IP20 | |||||||||||
| Standards, approvals, certificates | ||||||||||||
| CE mark | Yes | |||||||||||
| CSA approval | Yes | |||||||||||
| UL approval | Yes | |||||||||||
| cULus | Yes | |||||||||||
| FM approval | Yes | |||||||||||
| RCM (formerly C-TICK) | Yes | |||||||||||
| KC approval | Yes | |||||||||||
| Marine approval | Yes | |||||||||||
| Ambient conditions | ||||||||||||
| Free fall | ||||||||||||
| ● Fall height, max. | 0.3 m; five times, in product package | |||||||||||
| Ambient temperature during operation | ||||||||||||
|
● min. ● max. ● horizontal installation, min. ● horizontal installation, max. ● vertical installation, min. ● vertical installation, max. ● permissible temperature change |
-20 °C 60 °C -20 °C 60 °C -20 °C 50 °C 5°C to 55°C, 3°C / minute |
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| Ambient temperature during storage/transportation | ||||||||||||
|
● min. ● max. |
-40 °C 70 °C |
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| Air pressure acc. to IEC 60068-2-13 | ||||||||||||
|
● Storage/transport, min. ● Storage/transport, max. |
660 hPa 1 080 hPa |
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| Relative humidity | ||||||||||||
| ● Operation at 25 ℃ without condensation, max. | 95 % | |||||||||||
| connection method / header | ||||||||||||
| required front connector | Yes | |||||||||||
| Mechanics/material | ||||||||||||
|
Enclosure material (front) ● Plastic |
Yes | |||||||||||
| Dimensions | ||||||||||||
| Width | 45 mm | |||||||||||
| Height | 100 mm | |||||||||||
| Depth | 75 mm | |||||||||||
| Weights | ||||||||||||
| Weight, approx. | 170 g | |||||||||||
| 6ES7214-1AF40-0XB0 | 6ES7212-1AE40-0XB0 | 6ES7214-1HF40-0XB0 |
| 6ES7212-1HF40-0XB0 | 6ES7212-1AF40-0XB0 | 6ES7215-1HF40-0XB0 |
| 6ES7215-1AF40-0XB0 | 6ES7211-1HE40-0XB0 | 6ES7212-1BE40-0XB0 |
| 6ES7212-1HE40-0XB0 | 6ES7211-1BE40-0XB0 | 6ES7211-1AE40-0XB0 |
| 6ES7212-1HF42-4YB1 | 6ES7217-1AG40-0XB0 | 6ES7215-1HG40-0XB0 |
| 6ES7215-1AG40-0XB0 | 6ES7214-1BG40-0XB0 | 6ES7214-1HG40-0XB0 |
| 6ES7212-1HF41-4YB1 | 6ES7214-1AG40-0XB0 | 6ES7215-1BG40-0XB0 |
