SIMATIC NET communication processorsIndustrial network device
Communication processors that add Industrial Ethernet, PROFINET or PROFIBUS interfaces, S7/open communication, firewall/VPN (Security CPs) and FTP/e-mail functions to S7-300/400 and S7-1200/1500 controllers.
- Manufacturer
- Siemens
- Product line
- SIMATIC NET / SCALANCE
- Device type
- Industrial network device
- Communication
- Ethernet and IP networkingPROFINETPROFIBUS
- Engineering software
- SIMATIC STEP 7 V5.xTIA Portal (STEP 7 Basic/Professional)
- Models / series
- CP 343-1 Lean, CP 343-1 Advanced, CP 443-1, CP 1243-1, CP 1543-1, CP 1545-1
Documentation · 3
SIMATIC NET S7-1500 - Industrial Ethernet SIMATIC CP 1543-1
Operating instructions
Security communication processor for S7-1500: firewall, VPN, S7/open communication, FTP/e-mail, SNMP and diagnostics.
Open on manufacturer site download page — always the current edition
Link verified 2026-10-02
S7-300 - Industrial Ethernet / PROFINET CP 343-1 Lean - Part B
Equipment manual
Device manual of the CP 343-1 Lean: S7 and open communication (TCP/UDP), PROFINET IO device, web diagnostics, LED displays and technical data.
Open on manufacturer site download page — always the current edition
Link verified 2026-10-02
S7-CPs for Industrial Ethernet Configuring and Commissioning Manual Part A
Configuration manual
General part for S7-300/400 Ethernet CPs: connection types, NetPro configuration, FETCH/WRITE, diagnostics with NCM S7.
Open on manufacturer site download page — always the current edition
Link verified 2026-10-02
Diagnostics · 0
No reviewed diagnostic records for this family yet.