Siemens SIMATIC S7-300 Digital Input SM 321 - 6ES7321-1BL00-0AA0 | 32 DI
SIMATIC S7-300, digital input SM 321,(6ES73211BL000AA0)
Technical Description
High Density: Features 32 Digital Inputs in a single 40mm wide module, perfect for high-density I/O requirements.
Input Voltage: Supports 24V DC signals (Sink/Source).
Isolation: Optically isolated from the backplane bus to ensure system reliability and protection.
Wiring Requirement: This 32-channel module requires a 40-pin front connector (not the 20-pin version).
Application: Ideal for reading status from a large number of sensors, switches, and relays in a compact space.
Rs.72,800.00
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Product Details
SIMATIC S7-300, digital input SM 321, isolated 32 DI, 24 V DC, 1x 40-pole
FAQ Section
Q: Which front connector is compatible with the 6ES7321-1BL00-0AA0?
A: This 32-channel module requires a 40-pin front connector (e.g., 6ES7392-1AM00-0AA0).
Q: Can I use this module with an S7-300 CPU 312?
A: Yes, it is compatible with all S7-300 CPUs and can also be used in ET 200M distributed I/O stations.
Q: Does this module require an external 24V DC power supply?
A: No, the module's electronics are powered via the backplane bus, but the 24V DC for the input signals must be provided externally to the front connector.
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