Limited Stock
Siemens
SM 421 Digital Input 32CH
6ES7 421-1BL01-0AA0
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Category
PLC
Availability
Limited Stock
Status
Active
Recommended Replacement
S7-1500 digital input
Why Choose ZZSL?
Global Stock
Warehouses in China, Germany & USA for fast delivery worldwide
100% Quality
Every part verified for authenticity with our quality guarantee
48hr Shipping
Express options available for urgent requirements
Expert Support
Technical team available for product selection & troubleshooting
Product Description
S7-400 digital input module, 32 channels, 24V DC. Isolated inputs.
Technical Specifications
Inputs
32 x 24V DC
Isolation
Yes
Diagnostics
Configurable
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