Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Module type | CM 1242-5 |
| Communication role | PROFIBUS DP slave; DPV0 and DPV1 |
| PROFIBUS transfer rate | 9.6 kbit/s to 12 Mbit/s |
| PROFIBUS connection | 1 × 9-pin Sub-D socket (RS485) |
| Supply voltage | 5 V DC from backplane bus |
| Typical consumed current | 0.15 A |
| Mounting | 35 mm DIN rail or wall mounting |
| Protection class | IP20 |
Applications
- S7-1200 to PROFIBUS connection: Connects S7-1200 to PROFIBUS for operation as a DP slave module.
Key Features
- PROFIBUS DP slave communication: Supports service as a DP device with DPV0 and DPV1.
- Transfer rate: PROFIBUS transfer rate: 9.6 kbit/s to 12 Mbit/s.
- Electrical connection: 1 PROFIBUS connection with a 9-pin Sub-D socket (RS485).
- Backplane supply: DC supply voltage: 5 V from the backplane bus; typical consumed current: 0.15 A.
- Mounting: Supports 35 mm DIN-rail mounting and wall mounting; S7-300 rail mounting is not supported.
- Compact design and protection: Compact module S7-1200 single width, 30 mm wide, 100 mm high, 75 mm deep, with IP20 protection.
Frequently Asked Questions
1. What is the function of the Siemens SIPLUS CM 1242-5 module?
It connects S7-1200 to PROFIBUS as a DP slave module.
2. What PROFIBUS transfer rate does it support?
It supports 9.6 kbit/s to 12 Mbit/s.
3. Which PROFIBUS connection does the module have?
It has 1 9-pin Sub-D socket (RS485).
4. How is the module mounted?
It supports 35 mm DIN-rail mounting and wall mounting. S7-300 rail mounting is not supported.
