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 |
Engineering with | | | | |
| V12 / V12 | V12 / V12 | V12 / V12 | V12 / V12 |
| V5.5 SP2 with GSD file | V5.5 SP2 with GSD file | V5.5 SP2 with GSD file | V5.5 SP2 with GSD file |
| - / - | - / - | - / - | - / - |
| V2.3 | V2.3 / - | V2.3 | V2.3 / - |
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; Green LED | Yes; Green LED | Yes; Green LED |
| Yes; Red LED | Yes; Red LED | Yes; Red LED | Yes; Red 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 | 707 V DC (type test) | 707 V DC (type test) | 707 V DC (type test) | 707 V DC (type test) |
Ambient conditions | | | | |
Ambient temperature during operation | | | | |
| 0 °C | 0 °C | 0 °C | 0 °C |
| 60 °C | 60 °C | 60 °C | 60 °C |
| 0 °C | 0 °C | 0 °C | 0 °C |
| 40 °C | 40 °C | 40 °C | 40 °C |
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 |