Product details
The Siemens SIMATIC S7-300 CP 342-5 (6GK7342-5DA03-0XE0) is the genuine PROFIBUS DP communications processor for S7-300 controllers. It adds a full DP master or slave interface to the rack – the standard way to expand PROFIBUS capacity, segment networks or connect S5-era equipment without touching the CPU.
- PROFIBUS DP master or slave interface for S7-300
- 9.6 kbit/s to 12 Mbit/s transfer rate, RS485 (9-pin Sub-D)
- S5-compatible, PG/OP and S7 communication services
- Standard choice for adding DP capacity to existing racks
- Discontinued by Siemens – sourced to order
Technical specifications
| Order number | 6GK7342-5DA03-0XE0 |
| Product range | SIMATIC S7-300 |
| Type | CP 342-5 communications processor |
| Interface | PROFIBUS DP, RS485 (9-pin Sub-D) |
| Transfer rate | 9.6 kbit/s – 12 Mbit/s |
| Modes | DP master or DP slave |
| Supply voltage | 24 V DC external, 5 V DC backplane |
| Lifecycle status | Discontinued (Siemens phase-out October 2025) |
End-of-life availability
Siemens ended new production of the S7-300 / ET 200M range in October 2025, with official spares support winding down towards 2033. New units are no longer available through authorised channels. We source genuine S7-300 stock through our global parallel-import network specifically for Australian plants that need to keep existing installations running.
Request a quote online or call our team on 0403 082 383 to confirm stock, condition and lead time for the 6GK7342-5DA03-0XE0.
InstroDirect is an independent reseller and is not an authorised Siemens distributor. All products are 100% genuine, sourced through legitimate parallel-import channels.
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