SIMATIC S7-300, digital input SM 321, isolated 16 DI, 120/230 V AC, 1x 20-pole
Category: SIEMENS Simatic Control Systems
Specifications
SKU
6ES7321-1FH00-0AA0
Details
| Supply voltage | ||
| Load voltage L1 | ||
| ● Rated value (AC) | 230 V; 120/230 V AC; all load voltages must have the same phase. | |
| Input current | ||
| from backplane bus 5 V DC, max. | 29 mA | |
| Power loss | ||
| Power loss, typ. | 4.9 W | |
| Digital inputs | ||
| Number of digital inputs | 16 | |
| Input characteristic curve in accordance with IEC 61131, type 1 | Yes | |
| Number of simultaneously controllable inputs | ||
| horizontal installation | ||
| — up to 40 °C, max. | 16 | |
| — up to 60 °C, max. | 16 | |
| vertical installation | ||
| — up to 40 °C, max. | 16 | |
| Input voltage | ||
| ● Type of input voltage | AC | |
| ● Rated value (AC) | 230 V; 120/230 V AC (47 ... 63 Hz) | |
| ● for signal "0" | 0 to 40V | |
| ● for signal "1" | 79 to 264V | |
| Input current | ||
| ● for signal "1", typ. | 6.5 mA; (120 V, 60 Hz), 16 mA (230 V, 50 Hz) | |
| Input delay (for rated value of input voltage) | ||
| for standard inputs | ||
| — parameterizable | No | |
| — at "0" to "1", min. | 25 ms | |
| — at "0" to "1", max. | 25 ms | |
| — at "1" to "0", max. | 25 ms | |
| Cable length | ||
| ● shielded, max. | 1 000 m | |
| ● unshielded, max. | 600 m | |
| Encoder | ||
| Connectable encoders | ||
| ● 2-wire sensor | Yes | |
| — permissible quiescent current (2-wire sensor), max. | 2 mA | |
| Interrupts/diagnostics/status information | ||
| Alarms | No | |
| Diagnostics function | No | |
| Alarms | ||
| ● Diagnostic alarm | No | |
| ● Hardware interrupt | No | |
| Diagnostics indication LED | ||
| ● Group error SF (red) | No | |
| ● Status indicator digital input (green) | Yes | |
| Potential separation | ||
| Potential separation digital inputs | ||
| ● between the channels | No | |
| ● between the channels, in groups of | 4 | |
| ● between the channels and backplane bus | Yes; Optocoupler | |
| Isolation | ||
| Isolation tested with | 4 000 V DC | |
| connection method | ||
| required front connector | 20-pin | |
| Dimensions | ||
| Width | 40 mm | |
| Height | 125 mm | |
| Depth | 120 mm | |
| Weights | ||
| Weight, approx. | 240 g | |
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