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6ES7321-1CH20-0AA0 SM321, 16DI, DC48-125V
- Weight:
- 0.2kg
Product Information| SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED, 16 DI, DC 48-125V, 1 X 20 PIN | | Supply voltage | | Load voltage L+ | | Rated value (DC) | 48 V | | permissible range, lower limit (DC) | 48 V | | permissible range, upper limit (DC) | 125 V | | Input current | | from backplane bus 5 V DC, max. | 40 mA | | Power losses | | Power loss, typ. | 4.3 W | | Digital inputs | | Number/binary inputs | 16 | | Input characteristic curve acc. to IEC 1131, Type 1 | Yes | | Number of simultaneously controllable inputs | | horizontal installation | | up to 50 °C, max. | 8 | | up to 60 °C, max. | 8; 6 to Ue 146 V | | vertical installation | | up to 40 °C, max. | 8 | | Input voltage | | Type of input voltage | DC | | Rated value, DC | 48 V; 48 to 125 V DC | | for signal "0" | -146 to +15 V DC | | for signal "1" | 30 to 146 V DC | | Input current | | for signal "1", typ. | 3.5 mA | | Input delay (for rated value of input voltage) | | for standard inputs | | Parameterizable | No | | at "0" to "1", min. | 0.1 ms | | at "0" to "1", max. | 3.5 ms | | Cable length | | Cable length, shielded, max. | 1000 m | | Cable length unshielded, max. | 600 m | | Encoder | | Connectable encoders | | 2-wire BEROS | Yes | | permissible quiescent current (2-wire BEROS), max. | 1 mA | | Isochronous mode | | Isochronous mode | No | | Interrupts/diagnostics/status information | | Alarms | | Alarms | No | | Diagnostic alarm | No | | Hardware interrupt | No | | Diagnoses | | Diagnostic functions | No | | Diagnostics indication LED | | Group error SF (red) | No | | Status indicator digital input (green) | Yes | | Galvanic isolation | | Galvanic isolation digital inputs | | between the channels | No | | between the channels, in groups of | 8 | | between the channels and the backplane bus | Yes; Optocoupler | | Permissible potential difference | | between different circuits | 146 V DC / 132 V AC | | Isolation | | Isolation checked with | 1500 V DC | | Connection method | | required front connector | 20-pin | | Dimensions | | Width | 40 mm | | Height | 125 mm | | Depth | 120 mm | | Weight | | Weight, approx. | 200 g |
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