| | SIMATIC S7-300, CP 341 COMMUNICATION PROCESSOR WITH RS422/485 INTERFACE INCL. CONFIG. PACKAGE ON CD |
| |
| Supply voltage |
| 24 V DC | Yes |
| Input current |
| from backplane bus 5 V DC, max. | 70 mA |
| from supply voltage L+, max. | 240 mA |
| Power losses |
| Power loss, max. | 5.8 W |
| Interfaces |
| Number of interfaces | 1; Isolated |
| Interface physics, RS 422/RS 485 (X.27) | Yes |
| Transmission rate, max. | 76.8 kbit/s |
| Transmission rates, min. | 0.3 kbit/s |
| Point-to-point |
| Cable length, max. | 1200 m |
| PtP | 15-pin sub D connector |
| Integrated protocol driver |
| 3964 (R) | Yes; not with RS 485 |
| ASCII | Yes |
| RK512 | Yes; not with RS 485 |
| customer-specific drivers reloadable | Yes |
| Telegram length, max. |
| 3964 (R) | 1024 byte |
| ASCII | 1024 byte |
| RK 512 | 1024 byte |
| Transmission speed, RS 422/485 |
| with 3964 (R) protocol, max. | 76.8 kbit/s |
| with ASCII protocol, max. | 76.8 kbit/s; 0.3; 0.6; 1.2; 2.4; 4.8; 9.6; 19.2; 38.4; 57.6 and 76.8 kbit/s (76.8 kbit/s only achievable with half duplex) |
| with RK 512 protocol, max. | 76.8 kbit/s |
| Software |
| Block |
| FB length in RAM, max. | 5500 byte; Data communication, sending and receiving |
| Connection method |
| Power supply | 3 screw-type terminals: L+, M, GND |
| Dimensions |
| Width | 40 mm |
| Height | 125 mm |
| Depth | 120 mm |
| Weight |
| Weight, approx. | 300 g |
| Status | Mar 12, 2012 |
