Digital input module
SIMATIC S7-300 digital input module (SM 321).
The Siemens 6ES7321-1EL00-0AA0 is a digital input module for the SIMATIC S7-300 PLC system. It features 32 isolated digital inputs that operate at 120 V AC and requires one 40-pole front connector.
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Primary-switched TRIO POWER power supply for DIN rail mounting
TRIO POWER is particularly suited to standard machine production, thanks to 1- and 3-phase versions up to 960 W
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