• Siemens SIPLUS S7-1200 G2 Digital Signal Modules SM 1221/1222/1223
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Siemens SIPLUS S7-1200 G2 Digital Signal Modules SM 1221/1222/1223

Siemens SIPLUS S7-1200 G2 Digital Signal Modules SM 1221/1222/1223

SIPLUS extreme digital signal modules for S7-1200 G2 with conformal coating for -40 to +70 °C operation.

Key features

  • Based on the corresponding SIMATIC S7-1200 G2 standard modules
  • Conformal coating; operating temperature -40 to +70 °C
  • SM 1221 16 DI, SM 1222 16 DQ, SM 1223 8 DI/8 DQ
  • Transistor (24 V DC 0.5 A) or relay (2 A) output versions

Specifications

Series SIPLUS S7-1200 G2
Module type Digital signal module (SM)
Coating Conformal coating
Ambient temperature -40...+70 °C
Source Siemens Catalog ST 70 · 2026, p. 438-447
6AG1221-1BH50-7XB0 Module: SM 1221 | Inputs: 16 DI 24 V DC sink/source | Outputs: -
6AG1222-5BH50-7XB0 Module: SM 1222 | Inputs: - | Outputs: 16 DO 24 V DC 0.5 A sourcing
6AG1222-5HH50-7XB0 Module: SM 1222 | Inputs: - | Outputs: 16 DO relay 2 A
6AG1223-5BH50-7XB0 Module: SM 1223 | Inputs: 8 DI 24 V DC sink/source | Outputs: 8 DO 24 V DC 0.5 A sourcing
6AG1223-5PH50-7XB0 Module: SM 1223 | Inputs: 8 DI 24 V DC sink/source | Outputs: 8 DO relay 2 A
PLC I/O ModulesSiemens
5 product codes available in this family
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Siemens SIPLUS S7-1200 G2 Digital Signal Modules SM 1221/1222/1223

Brand Siemens·PLC I/O Modules

Available part numbers (5)

6AG1221-1BH50-7XB0, 6AG1222-5BH50-7XB0, 6AG1222-5HH50-7XB0, 6AG1223-5BH50-7XB0, 6AG1223-5PH50-7XB0

How to order

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Product codes & specifications
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Product codeSpec
6AG1221-1BH50-7XB0Module: SM 1221 | Inputs: 16 DI 24 V DC sink/source | Outputs: -
6AG1222-5BH50-7XB0Module: SM 1222 | Inputs: - | Outputs: 16 DO 24 V DC 0.5 A sourcing
6AG1222-5HH50-7XB0Module: SM 1222 | Inputs: - | Outputs: 16 DO relay 2 A
6AG1223-5BH50-7XB0Module: SM 1223 | Inputs: 8 DI 24 V DC sink/source | Outputs: 8 DO 24 V DC 0.5 A sourcing
6AG1223-5PH50-7XB0Module: SM 1223 | Inputs: 8 DI 24 V DC sink/source | Outputs: 8 DO relay 2 A

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