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Overview
- Digital inputs and outputs as supplement to the integral I/O of the CPUs
- Approved in accordance with the railway standards EN 50155, EN 15121, EN 50124, EN 50125 and EN 45545 for use in rail traffic
- For flexible adaptation of the controller to the corresponding task
- For subsequent expansion of the system with additional inputs and outputs
Application
Digital input/output modules permit:
- Connection of the controller to digital signals of the process
- Output of digital signals from the controller to the process.
This provides users with the following advantages:
- Optimum adaptation:
with signal modules which can be mixed as desired, users can adapt their controllers exactly to the relevant task. This avoids superfluous investments. Modules with 8 and 16 input/output channels are available. - Flexibility:
if the task is expanded subsequently, the controller can be upgraded. Updating of the user program is extremely simple.
Function
The SM 1223 digital input/output signal modules convert
- the level of the external digital signals from the process into the internal signal level of the S7-1200 and
- the internal signal level of the S7-1200 into the external signal level required by the process.
6AG2223-1BH32-1XB0
Siemens SIPLUS S7-1200 SM 1223 8DI/8DQ T1 rail based on 6ES7223-1BH32-0XB0 with conformal coating, -25…+55 °C, OT1 with ST1/2 (+70 °C für 10 minutes), digital input/output SM 1223, 8 DI/8 DQ, 8 DI 24 V DC, sink/source, 8 DQ, transistor 0.5 A
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