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Overview
- Digital inputs as a supplement to the integral I/O of SIMATIC S7-1200 CPUs
- Can be plugged directly into the CPU
Note:
SIPLUS extreme products are based on SIMATIC standard products. The contents listed here were taken from the respective standard products. SIPLUS extreme-specific information was added.
Application
The SB 1221 digital input signal boards enable connection of the controller to digital process signals.
Design
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”).
Function
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.
6AG1221-3AD30-5XB0
Siemens SIPLUS S7-1200 SB 1221 4DI based on 6ES7221-3AD30-0XB0 with conformal coating, -40…+60 °C, start up -25 °C, digital inputs 4 DI 5 V DC 200 kHz
Visit 6AG1221-3AD30-5XB0
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