| General information |
| Product type designation | CM PtP RS 422 / 485 HF |
| Product function |
| ● I&M data | Yes; I&M 0 |
| ● Fast startup | Yes |
| Engineering with |
| ● STEP 7 TIA Portal configurable/integrated from version | V12 / V12 |
| ● STEP 7 configurable/integrated from version | V5.5 SP2 with GSD file |
| ● PROFIBUS from GSD version/GSD revision | - / - |
| ● PROFINET from GSD version/GSD revision | V2.3 / - |
| Installation type/mounting |
| Rail mounting | Yes; S7-1500 mounting rail |
| Supply voltage |
| Design of the power supply | system power supply |
| Input current |
| Current consumption (rated value) | 43 mA; From the backplane bus |
| Power |
| Power consumption from the backplane bus | 0.65 W |
| Power loss |
| Power loss, typ. | 0.6 W |
| Address area |
| Address space per module |
| ● Inputs | 8 byte |
| Interface types |
| RS 485 |
| ● Transmission rate, max. | 115.2 kbit/s |
| ● Cable length, max. | 1 200 m |
| RS 422 |
| ● Transmission rate, max. | 115.2 kbit/s |
| ● Cable length, max. | 1 200 m |
| ● 4-wire full duplex connection | Yes |
| ● 4-wire multipoint connection | No |
| Protocols |
| Integrated protocols |
| Freeport |
| — Telegram length, max. | 4 kbyte |
| — Bits per character | 7 or 8 |
| — Number of stop bits | 1 or 2 bit |
| — Parity | None, even, odd, always 1, always 0, any |
| 3964 (R) |
| — Telegram length, max. | 4 kbyte |
| — Bits per character | 7 or 8 |
| — Number of stop bits | 1 or 2 bit |
| — Parity | None, even, odd, always 1, always 0, any |
| Modbus RTU master |
| — Address area | 1 to 247, extended 1 to 65535 |
| — max. number of devices | 32 |
| protocols / Modbus RTU device / header |
| — Address area | 1 to 247, extended 1 to 65535 |
| Telegram buffer |
| ● Buffer memory for telegrams | 8 kbyte |
| ● Number of telegrams which can be buffered | 255 |
| Interrupts/diagnostics/status information |
| Diagnostics function | Yes |
| Alarms |
| ● Diagnostic alarm | Yes |
| ● Hardware interrupt | No |
| Diagnoses |
| ● Wire-break | Yes |
| Diagnostics indication LED |
| ● RUN LED | Yes; green LED |
| ● ERROR LED | Yes; red LED |
| ● Receive RxD | Yes; Yellow LED |
| ● Transmit TxD | Yes; Yellow LED |
| Potential separation |
| between backplane bus and interface | Yes |
| Isolation |
| Isolation tested with | 707 V DC (type test) |
| Ambient conditions |
| Ambient temperature during operation |
| ● horizontal installation, min. | 0 °C |
| ● horizontal installation, max. | 60 °C |
| ● vertical installation, min. | 0 °C |
| ● vertical installation, max. | 40 °C |
| Altitude during operation relating to sea level |
| ● Installation altitude above sea level, max. | 5 000 m; restrictions for installation altitudes > 2 000 m, see ET 200MP system manual |
| Decentralized operation |
| to SIMATIC S7-300 | Yes |
| to SIMATIC S7-400 | Yes |
| to SIMATIC S7-1500 | Yes |
| to standard PROFINET controller | Yes |
| Dimensions |
| Width | 35 mm |
| Height | 147 mm |
| Depth | 127 mm |
| Weights |
| Weight, approx. | 0.22 kg |
| Approvals / Certificates |