| Product type designation | CM 1542-5 |
| Communication module CM 1542-5 for connection of S7-1500 to PROFIBUS DP, DPV1 master or DP slave, S7 and PG/OP communication, data record routing, time-of-day synchronization, Diagnostics |
| Transmission rate |
| Transfer rate | |
| at the 1st interface / acc. to PROFIBUS | 9.6 kbit/s ... 12 Mbit/s |
| Interfaces |
| Number of interfaces / acc. to Industrial Ethernet | 0 |
| Number of electrical connections | |
| at the 1st interface / acc. to PROFIBUS | 1 |
| Type of electrical connection | |
| at the 1st interface / acc. to PROFIBUS | 9-pin Sub-D socket (RS485) |
| Supply voltage, current consumption, power loss |
| Type of voltage / of the supply voltage | DC |
| Supply voltage / 1 / from backplane bus | 15 V |
| Relative symmetrical tolerance / at DC | |
| at 15 V | 3 % |
| Consumed current | |
| from backplane bus / at DC / at 15 V / typical | 0.2 A |
| Power loss [W] | 3 W |
| Permitted ambient conditions |
| Ambient temperature | |
| for vertical installation / during operation | 0 ... 40 °C |
| for horizontally arranged busbars / during operation | 0 ... 60 °C |
| during storage | -40 ... +70 °C |
| during transport | -40 ... +70 °C |
| Relative humidity / at 25 °C / without condensation / during operation / maximum | 95 % |
| Protection class IP | IP20 |
| Design, dimensions and weight |
| Module format | Compact module S7-1500 single width |
| Width | 35 mm |
| Height | 142 mm |
| Depth | 129 mm |
| Net weight | 0.4 kg |
| Mounting type | |
| S7-1500 rail mounting | Yes |
| Product properties, functions, components / general |
| Number of units | |
| per CPU / maximum | 8 |
| Note | depending on CPU type |
| Performance data / open communication |
| Number of possible connections / for open communication / by means of SEND/RECEIVE blocks / maximum | 30 |
| Amount of data | |
| as user data per connection / for open communication / by means of SEND/RECEIVE blocks / maximum | 240 byte |
| Performance data / PROFIBUS DP |
| Service / as DP master | |
| DPV1 | Yes |
| Number of DP slaves / on DP master / usable | 125 |
| Amount of data | |
| of the address area of the inputs / as DP master / total | 8192 byte |
| of the address area of the outputs / as DP master / total | 8192 byte |
| of the address area of the inputs / per DP slave | 244 byte |
| of the address area of the outputs / per DP slave | 244 byte |
| Service / as DP slave | |
| DPV0 | Yes |
| DPV1 | Yes |
| Amount of data | |
| of the address area of the inputs / as DP slave / total | 240 byte |
| of the address area of the outputs / as DP slave / total | 240 byte |
| Performance data / S7 communication |
| Number of possible connections / for S7 communication | |
| maximum | 48 |
| Note | depending on the system upper limit |
| Performance data / multi-protocol mode |
| Number of active connections / with multi-protocol mode | 48 |
| Performance data / telecontrol |
| Protocol / is supported | |
| TCP/IP | No |
| Product functions / management, configuration |
| Configuration software | |
| required | STEP 7 Professional V12 (TIA Portal) or higher |
| Identification & maintenance function | |
| I&M0 - device-specific information | Yes |
| I&M1 – higher-level designation/location designation | Yes |
| Product functions / Diagnosis |
| Product function / Web-based diagnostics | Yes; yes, via S7-1500 CPU |
| Product functions / Time |
| Product function / pass on time synchronization | Yes |
