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6ES7221-3BF50-0XB0
Siemens SIMATIC S7-1200 G2: SB 1221 digital input, 8 DI 100 kHz; inputs: 8x DI 24 V DC sink/source, 100 kHz
Overview
- Digital inputs as a supplement to the integral I/O of SIMATIC S7-1200 G2 CPUs
- Can be plugged directly into the CPU
Application
The SB 1221 signal board digital input modules enable connection of the controller to digital process signals.
Design
The signal boards are plugged directly into the holder on the front of the S7-1200 G2 CPU.
- Mounting:
Signal boards are plugged directly into the SIMATIC S7-1200 G2 CPU, and are thus connected electrically and mechanically with the CPU. - The installation dimensions of the CPU remain unchanged.
- Replacement of all signal boards is facilitated by removable terminals (“permanent wiring”).
Function
The SB 1221 signal board digital input/output modules convert the level of the external digital signals from the process to the internal signal level of the S7-1200 G2 Controller.
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