General information | | | | |
Product type designation | CM PtP RS232 BA | CM PtP RS232 HF | CM PtP RS422/485 BA | CM PtP RS422/485 HF |
Product function | | | | |
| Yes; I&M 0 | Yes; I&M 0 | Yes; I&M 0 | Yes; I&M 0 |
Installation type/mounting | | | | |
Rail mounting | Yes; S7-1500 mounting rail | Yes; S7-1500 mounting rail | Yes; S7-1500 mounting rail | Yes; S7-1500 mounting rail |
Supply voltage | | | | |
Type of supply voltage | system power supply | system power supply | system power supply | system power supply |
Input current | | | | |
Current consumption (rated value) | 35 mA; From the backplane bus | 35 mA; From the backplane bus | 33 mA; From the backplane bus | 33 mA; From the backplane bus |
Power | | | | |
Power available from the backplane bus | 0.65 W | 0.65 W | 0.65 W | 0.65 W |
Power loss | | | | |
Power loss, typ. | 0.6 W | 0.6 W | 0.6 W | 0.6 W |
Address area | | | | |
Occupied address area | | | | |
| 8 byte | 8 byte | 8 byte | 8 byte |
Interface types | | | | |
RS 232 | | | | |
| 19.2 kbit/s | 115.2 kbit/s | | |
| 15 m | 15 m | | |
| RTS, CTS, DTR, DSR, RI, DCD | RTS, CTS, DTR, DSR, RI, DCD | | |
RS 485 | | | | |
| | | 19.2 kbit/s | 115.2 kbit/s |
| | | 1 200 m | 1 200 m |
RS 422 | | | | |
| | | 19.2 kbit/s | 115.2 kbit/s |
| | | 1 200 m | 1 200 m |
| | | Yes | Yes |
| | | No | No |
Integrated protocols | | | | |
Freeport | | | | |
| 1 kbyte | 4 kbyte | 1 kbyte | 4 kbyte |
| 7 or 8 | 7 or 8 | 7 or 8 | 7 or 8 |
| 1 or 2 bit | 1 or 2 bit | 1 or 2 bit | 1 or 2 bit |
| None, even, odd, always 1, always 0, any | None, even, odd, always 1, always 0, any | None, even, odd, always 1, always 0, any | None, even, odd, always 1, always 0, any |
3964 (R) | | | | |
| 1 kbyte | 4 kbyte | 1 kbyte | 4 kbyte |
| 7 or 8 | 7 or 8 | 7 or 8 | 7 or 8 |
| 1 or 2 bit | 1 or 2 bit | 1 or 2 bit | 1 or 2 bit |
| None, even, odd, always 1, always 0, any | None, even, odd, always 1, always 0, any | None, even, odd, always 1, always 0, any | None, even, odd, always 1, always 0, any |
Modbus RTU master | | | | |
| | 1 to 247, extended 1 to 65535 | | 1 to 247, extended 1 to 65535 |
| | 1 | | 32 |
MODBUS RTU slave | | | | |
| | 1 to 247, extended 1 to 65535 | | 1 to 247, extended 1 to 65535 |
Telegram buffer | | | | |
| 2 kbyte | 8 kbyte | 2 kbyte | 8 kbyte |
| 255 | 255 | 255 | 255 |
Interrupts/diagnostics/status information | | | | |
Diagnostics function | Yes | Yes | Yes | Yes |
Alarms | | | | |
| Yes | Yes | Yes | Yes |
| No | No | No | No |
Diagnostic messages | | | | |
| Yes | Yes | Yes | Yes |
Diagnostics indication LED | | | | |
| Yes; Green LED | Yes | Yes; Green LED | Yes; Green LED |
| Yes; yellow LED | Yes; yellow LED | Yes; yellow LED | Yes; yellow LED |
| Yes; yellow LED | Yes; yellow LED | Yes; yellow LED | Yes; yellow LED |
Potential separation | | | | |
between backplane bus and interface | Yes | Yes | Yes | Yes |
Isolation | | | | |
Isolation tested with | 500 V | 500 V | 500 V | 500 V |
Ambient conditions | | | | |
Ambient temperature during operation | | | | |
| -40 °C; = Tmin; Startup @ -25 °C | -40 °C; = Tmin; Startup @ -25 °C | -40 °C; = Tmin; Startup @ -25 °C | -40 °C; = Tmin; Startup @ -25 °C |
| 70 °C | 70 °C | 70 °C | 70 °C |
| -40 °C; = Tmin; Startup @ -25 °C | -40 °C; = Tmin; Startup @ -25 °C | -40 °C; = Tmin; Startup @ -25 °C | -40 °C; = Tmin; Startup @ -25 °C |
| 40 °C | 40 °C | 40 °C | 40 °C |
Altitude during operation relating to sea level | | | | |
| Tmin ... Tmax at 1080 hPa ... 795 hPa (-1000 m ... +2000 m) // Tmin ... (Tmax - 10K) at 795 hPa ... 658 hPa (+2000 m ... +3500 m) // Tmin ... (Tmax - 20K) at 658 hPa ... 540 hPa (+3500 m ... +5000 m) | Tmin ... Tmax at 1080 hPa ... 795 hPa (-1000 m ... +2000 m) // Tmin ... (Tmax - 10K) at 795 hPa ... 658 hPa (+2000 m ... +3500 m) // Tmin ... (Tmax - 20K) at 658 hPa ... 540 hPa (+3500 m ... +5000 m) | Tmin ... Tmax at 1080 hPa ... 795 hPa (-1000 m ... +2000 m) // Tmin ... (Tmax - 10K) at 795 hPa ... 658 hPa (+2000 m ... +3500 m) // Tmin ... (Tmax - 20K) at 658 hPa ... 540 hPa (+3500 m ... +5000 m) | Tmin ... Tmax at 1080 hPa ... 795 hPa (-1000 m ... +2000 m) // Tmin ... (Tmax - 10K) at 795 hPa ... 658 hPa (+2000 m ... +3500 m) // Tmin ... (Tmax - 20K) at 658 hPa ... 540 hPa (+3500 m ... +5000 m) |
Relative humidity | | | | |
| 100 %; RH incl. condensation/frost (no commissioning under condensation conditions) | 100 %; RH incl. condensation/frost (no commissioning under condensation conditions) | 100 %; RH incl. condensation/frost (no commissioning under condensation conditions) | 100 %; RH incl. condensation/frost (no commissioning under condensation conditions) |
Use in stationary industrial systems | | | | |
| Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request | Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request | Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request | Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request |
| Yes; Class 3C4 (RH < 75%) incl. salt spray according to EN 60068-2-52 (degree of severity 3). The supplied connector covers must remain on the unused interfaces during operation! | Yes; Class 3C4 (RH < 75%) incl. salt spray according to EN 60068-2-52 (degree of severity 3). The supplied connector covers must remain on the unused interfaces during operation! | Yes; Class 3C4 (RH < 75%) incl. salt spray according to EN 60068-2-52 (degree of severity 3). The supplied connector covers must remain on the unused interfaces during operation! | Yes; Class 3C4 (RH < 75%) incl. salt spray according to EN 60068-2-52 (degree of severity 3). The supplied connector covers must remain on the unused interfaces during operation! |
| Yes; Class 3S4 incl. sand, dust. The supplied connector covers must remain on the unused interfaces during operation! | Yes; Class 3S4 incl. sand, dust. The supplied connector covers must remain on the unused interfaces during operation! | Yes; Class 3S4 incl. sand, dust. The supplied connector covers must remain on the unused interfaces during operation! | Yes; Class 3S4 incl. sand, dust. The supplied connector covers must remain on the unused interfaces during operation! |
Decentralized operation | | | | |
to SIMATIC S7-300 | Yes | Yes | Yes | Yes |
to SIMATIC S7-400 | Yes | Yes | Yes | Yes |
to SIMATIC S7-1500 | Yes | Yes | Yes | Yes |
to standard PROFINET controller | Yes | Yes | Yes | Yes |
Fast Startup supported | Yes | Yes | Yes | Yes |
Dimensions | | | | |
Width | 35 mm | 35 mm | 35 mm | 35 mm |
Height | 147 mm | 147 mm | 147 mm | 147 mm |
Depth | 127 mm | 127 mm | 127 mm | 127 mm |
Weights | | | | |
Weight, approx. | 0.22 kg | 0.22 kg | 0.22 kg | 0.22 kg |