Siemens SIMATIC S7-300 Digital Input SM 321 High Feature - 6ES7321-7BH01-0AB0 | 16 DI
SM321, 16DI, 24V DC,(6ES73217BH010AB0)
Technical Description
Advanced Diagnostics: Supports Wire Break and Short Circuit detection to ensure maximum system uptime.
Interrupt Capability: Features Process Interrupts and Diagnostic Interrupts, allowing the CPU to react instantly to field errors.
Input Capacity: 16 Digital Inputs at 24V DC.
Isochronous Mode: Supports isochronous mode for high-speed, synchronized data processing.
Wiring Requirement: Requires a 20-pin front connector (6ES7392-1AJ00-0AA0).
Rs.72,480.00
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Product Details
SIMATIC S7-300, digital input SM 321, isolated, 16 DI; 24 V DC, 1x 20-pole, hardware interrupt, diagnostics, suitable for isochronous mode
FAQ Section
Q: What is the difference between the 'Standard' and 'High Feature' (HF) SM 321?
A: The HF version (6ES7321-7BH01-0AB0) supports internal diagnostics (like wire break detection) and interrupts, which the standard versions do not have.
Q: Do I need a special connector for the HF module?
A: No, it uses the standard S7-300 20-pin front connector.
Q: Can this module be used in an ET 200M station?
A: Yes, it is fully compatible with ET 200M distributed I/O racks and all S7-300 CPUs.
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