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General| Product Type Designation | CP 440 |
|---|---|
| Product Type | Communication Processor |
| Series | SIMATIC S7-400 |
| Supply Voltage | 24 V DC |
| Number of Interfaces | 1 |
| Communication Interface | Point-to-point |
| Protocols Supported | ASCII, 3964(R), RK 512 |
| Power Supply | Via backplane bus |
| Operating Temperature | 0 °C to 60 °C |
| Interface Type | RS-422/485 |
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