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Board mở rộng SB 1221

SB 1221 (Signal Boards) là board / module mở rộng tín hiệu đầu vào số (digital input “DI”) cho PLC S7-1200.


Giới thiệu chung về SB 1221:

    • Digital inputs as a supplement to the integral I/O of SIMATIC S7-1200 CPUs
    • Can be plugged directly into the CPU

Ứng dụng của SB 1221:

The SB 1221 digital input signal boards enable connection of the controller to digital process signals.

SB 1221 được thiết kế với:

The Signal Boards are plugged straight into the holder on the front of the S7-1200-CPU.

    • Mounting: Signal Boards are plugged direct into the SIMATIC S7-1200-CPU and linked electrically and mechanically with the CPU in this way.
    • The installation dimensions of the CPU remain unchanged.
    • On all Signal Boards, replacement is facilitated by removable terminals ("permanent wiring").

Chức năng của SB 1221:

The SB 1221 digital input/output signal board converts the level of the external digital signals from the process to the internal signal level of the S7-1200 Controller.