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| Product name | SINUMERIK 840D/DE NCU 572.2 STEP D |
| Device series | SINUMERIK 840D |
| Processor | 486 DX 4 |
| Processor / clock frequency | 100000000 Hz |
| Working memory (RAM) | 8 MB DRAM, 2 MB SRAM |
| SIMATIC S7 - integrated | PLC 315-2 DP STEP D |
| Dimension / width | 50 mm |
| Dimension / height | 316 mm |
| Dimension / depth | 115 mm |
| Weight / approx. | 0.68 kg |
| Input voltage | via SIMODRIVE device bus |
| Power loss | 33 W |
| Mounting position | vertical |
| Cooling | Open-circuit ventilation |
| Approval | CE, cULus |
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| Degree of protection | IP20 (with NCU box) |
| Degree of protection / front panel | IP20 |
| Degree of protection / rear | IP00 |
| Humidity class | Class 3K5 condensation and icing excluded. Low air temperature 0 °C (+32 °F) |
| Relative air humidity / operation | < 95% for 1h, annual average < 65% |
| Relative air humidity / storage | 10 ... 95% |
| Relative air humidity / transport | 10 ... 95% |
| Relative air humidity / test standard | DIN EN 60068-2-1, 60068-2-2, 60068-2-14, 60068-2-30 |
| Ambient temperature / in operation / min. | 0 °C |
| Ambient temperature / in operation / max. | 55 °C |
| Ambient temperature / during storage / min. | -20 °C |
| Ambient temperature / during storage / max. | 60 °C |
| Ambient temperature / during transport / min. | -20 °C |
| Ambient temperature / during transport / max. | 60 °C |
| Temperature / temperature change / max. | 12 °C/h |
| Temperature / temperature change / max. / operation | 10 °C/h |
| Temperature / temperature change / max. / transport | 18 °C/h |
| Ambient conditions / mechanical ambient conditions / vibration / operation | 10-58 Hz: 0,075 mm, 59-500 Hz: 9,8 m/s² |
| Ambient conditions / mechanical ambient conditions / vibration / transport | 5-9 HZ: 3,5 mm, 9-200 Hz: 9,8 m/s² |
| Ambient conditions / mechanical ambient conditions / vibration / test standard | DIN EN 60068-2-6 |
| Ambient conditions / mechanical ambient conditions / shock strength / operation | 50 m/s², 30 ms, 18 shocks |
| Ambient conditions / mechanical ambient conditions / shock strength / transport | 300 m/s², 6 ms, 18 shocks |
| Ambient conditions / mechanical ambient conditions / shock strength / test standard | DIN EN 60068-2-27 |
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| Interfaces | OPI/MPI/S7-300/PROFIBUS-DP/Drive bus/Device bus/2 probes/2 handwheels/4 inputs/outputs |
| Interfaces / PC card slot | PCMCIA |
| Interfaces / PROFIBUS-DP/MPI | MPI/DP RS 485 |
| Interfaces / PROFIBUS-DP | 1,5Mbaud |
| Interfaces / handwheel | 2 handwheels via cable distributor |
| Interfaces / inputs / outputs | Via cable distributor |
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| letzte Änderung: | Jan 19, 2012 |
