上海西门子S7-1200代理商
上海昊征自动化科技有限公司本着“以人为本、科技先导、顾客满意、持续改进”的工作方针，致力于工业自动化控制领域的产品开发、工程配套和系统集成，拥有丰富的自动化产品的应用和实践经验以及雄厚的技术力量，尤其以PLC复杂控制系统、传动技术应用、伺服控制系统、数控备品备件、人机界面及网络/软件应用为公司的技术特长。几年来，上海昊征自动化科技有限公司与德国SIEMENS公司自动化与驱动部门的长期紧密合作过程中，建立了良好的相互协作关系，在可编程控制器、交直流传动装置方面的业务逐年成倍增长，为广大用户提供了SIEMENS的新技术及自动控制的佳解决方案。
上海昊征自动化科技有限公司在经营活动中精益求精，具备如下业务优势：
1、模块化控制器SIMATIC S7系列（S7-1200、S7-1500、S7-200、S7-200CN 、S7-200 SMART、S7-300、S7-400）、分布式I/O-SIMATIC ET 200。
2、西门子HMI操作设备及SCADA系统：TP177B面板、OP177B面板、MP177操作面板 、OP277面板、MP377操作面板、KP300PN面板、KTP400PN面板、KP400PN彩色 面板、KTP600PN面板、KTP600DP面板、KTP1000PN面板、KTP1000DP面板、 TP1500PN面板
3、西门子变频器。
4、西门子SITOP电源。
5、西门子CNC系统和CNC控制器-SINUMERIK数控系统(SINUMERIK840D、SINUMERIK802S/C、SINUMERIK802SL、SINUMERIK828D SINUMERIK801D 、SINUMERIK828 、SINUMERIK808 、SINUMERIK840)。
6、伺服变频器数控V20/V90/V80V60。
7、西门子3RW软启动。
8、西门子停产备件。
9、仪表和传感器等各系列产品。
上海昊征自动化科技有限公司凭借雄厚的技术实力及多年从事 SIEMENS 产品的销售经验，本着树立公司形象和对用户认真负责的精神开展业务，赢得了SIEMENS 公司与广大用户的好评及大力支持。
上海昊征自动化科技有限公司
联系人：颜江
手机：
电话：
传真：
Q Q：455499155
【售后服务】：罚十，合同保证。
【产品质量】：质保保证，全新原装。
【产品价格】：价格优势，现货销售。
上海西门子S7-1200代理商
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Product No. / Product De |
Listprice / Your price | ||||||
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SIMATIC S7-1200, DIGITAL INPUT SM 1221, 8DI, 24V DC, SINK/SOURCE INPUT
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SIMATIC S7-1200, DIGITAL INPUT SM 1221, 16 DI, 24VDC, SINK/SOURCE INPUT
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Digital input modules allow the connection of the controller to digital signals of the process.
This provides users with the following advantages:
The SM 1221 digital input signal modules convert the level of the external digital signals from the process into the internal signal level of the S7-1200.
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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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General information |
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Product type designation |
SM 1221 DI 8x24 VDC |
SM 1221 DI 16x24 VDC |
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Supply voltage |
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Rated value (DC) |
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Yes |
Yes |
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Input current |
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from backplane bus 5 V DC, max. |
105 mA |
130 mA |
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Digital inputs |
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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 loss |
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Power loss, typ. |
1.5 W |
2.5 W |
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Digital inputs |
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Number of digital inputs |
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 inputs |
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all mounting positions |
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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 V DC at 2.5 mA |
15 V DC at 2.5 mA |
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Input current |
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1 mA |
1 mA |
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2.5 mA |
2.5 mA |
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4 mA |
4 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; 0.2 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 |
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for interrupt inputs |
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Yes |
Yes |
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Cable length |
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500 m |
500 m |
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300 m |
300 m |
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Interrupts/diagnostics/status information |
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Alarms |
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Yes |
Yes |
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Diagnostics indication LED |
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Yes |
Yes |
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Potential separation |
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Potential separation digital inputs |
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2 |
4 |
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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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Standards, approvals, certificates |
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CE mark |
Yes |
Yes |
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CSA approval |
Yes |
Yes |
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cULus |
Yes |
Yes |
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FM approval |
Yes |
Yes |
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RCM (formerly C-TICK) |
Yes |
Yes |
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Marine approval |
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 |
-20 °C |
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60 °C |
60 °C |
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Connection method |
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required front connector |
Yes |
Yes |
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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 |
45 mm |
45 mm |
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Height |
100 mm |
100 mm |
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Depth |
75 mm |
75 mm |
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Weights |
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Weight, approx. |
170 g |
210 g |
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