The OMRON NX-SL3300 is a safety control unit, not a typical I/O system module with direct input and output functions. It has no digital inputs, digital outputs, analog inputs, or analog outputs2. Here are some related parameter details:
Maximum number of safety I/O points: 256 points.
Program capacity: 512 KB.
Number of safety master connections: 32.
I/O refresh method: Free - run refresh mode.
External connection terminals: None.
LED display: (FS) LED, (VALID) LED, (DEBUG) LED, (TS) LED, (RUN) LED.
Power consumption: Less than 0.90 W.
Weight: Less than 75g.