Siemens Digital Input Module, SM 1221 Series

Siemens Brand: Siemens

These Siemens 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. With digital modules, the signals can be mixed as desired, allowing users to adapt their controllers exactly to the relevant task. These signal modules are available with 8 or 16 input channels.

  • SPS component: SPS add-on module
  • Digital inputs as supplement to the integral I/O of the CPUs
  • For flexible adaptation of the controller to the relevant task
  • For subsequent expansion of the system with additional inputs
  • Type: SM 1221
  • Available with 8 or 16 input channels
Description Image Product Buy Pricing (Ex VAT) Number of Digital Inputs Display Number of Analogue Inputs Number of Analogue Outputs Number of Digital Outputs Type
Siemens 6ES7221-1BF32-0XB0 SM 1221 Digital Input Module
Siemens 6ES7221-1BF32-0XB0 SM 1221 Digital Input Module
Standard range
Order code: 55-8032
MPN: 6ES72211BF320XB0

1 in stock, despatched in 4 working days
1+ £140.27
Price per unit Ex VAT 		8 No 0 0 0 Add-on module
Siemens 6ES7221-1BH32-0XB0 SM 1221 Digital Input Module
Siemens 6ES7221-1BH32-0XB0 SM 1221 Digital Input Module
Extended range
Order code: 55-8033
MPN: 6ES72211BH320XB0

2 in stock, despatched in 4 working days
1+ £225.51
Price per unit Ex VAT 		16 No 0 0 0 Add-on module
Mftrs. PartTypeVoltage

Digital inputs

Order code
6ES7221-1BF32-0XB0 SM 1221

24V

8

55-8032
6ES7221-1BH32-0XB0 SM 1221

24V

16

55-8033


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