6ES7521-1BL10-0AA0

SIMATIC S7-1500 SM 521 high-density digital input module (basic performance)

Siemens SIMATIC S7-1500 SM 521 high-density digital input module DI 32x24VDC BA, basic performance version, with 32 channels arranged in groups of 16, for cost-effective acquisition of binary field signals.

• Product type: Digital input module
• Digital inputs: 32 channels, in groups of 16
• Rated voltage: 24 V DC