• Siemens SIMATIC S7-1500 Digital Input/Output Modules SM 523
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Siemens SIMATIC S7-1500 Digital Input/Output Modules SM 523

Siemens SIMATIC S7-1500 Digital Input/Output Modules SM 523

SM 523 combined digital input/output modules for SIMATIC S7-1500 and ET 200MP.

Key features

  • Combined 24 V DC inputs and outputs in one module
  • DI 32 / DQ 32 SNK/SRC BA module, 35 mm wide
  • DI 16 / DQ 16 module, 25 mm wide, push-in front connector included
  • Input type 3 (IEC 61131), typ. 3.2 ms input delay

Specifications

Brand Siemens
Product line SIMATIC S7-1500
Category PLC I/O Modules
Series SIMATIC S7-1500 / ET 200MP
Voltage 24 V DC
Variants listed 2
Source Siemens Catalog ST 70 · 2026, p. 894
6ES7523-1BP50-0AA0 Type: DI 32x24VDC / DQ 32x24VDC BA SNK/SRC | Inputs: 32 | Outputs: 32 | Width: 35 mm
6ES7523-1BL00-0AA0 Type: DI 16x24VDC / DQ 16x24VDC/0.5A BA | Inputs: 16 | Outputs: 16 | Width: 25 mm
PLC I/O ModulesSiemens
2 product codes available in this family
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Siemens SIMATIC S7-1500 Digital Input/Output Modules SM 523

Brand Siemens·PLC I/O Modules

Available part numbers (2)

6ES7523-1BP50-0AA0, 6ES7523-1BL00-0AA0

How to order

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Product codes & specifications
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Product codeSpec
6ES7523-1BP50-0AA0Type: DI 32x24VDC / DQ 32x24VDC BA SNK/SRC | Inputs: 32 | Outputs: 32 | Width: 35 mm
6ES7523-1BL00-0AA0Type: DI 16x24VDC / DQ 16x24VDC/0.5A BA | Inputs: 16 | Outputs: 16 | Width: 25 mm

Need a different model, or a part not listed here? Send us your parts list →

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