Product Overview
The Siemens 6GK7443-1EX30-0XE0 is a high-performance communications processor designed for the S7-400 automation platform. As a CP 443-1 module, it integrates seamlessly into industrial networks, offering dual 10/100 Mbit/s Industrial Ethernet interfaces with RJ45 connectors. This unit supports ISO, TCP, UDP, and PROFINET IO controller functionality, making it a critical component for advanced control and data exchange. Whether upgrading an existing S7-400 rack or replacing an outdated communication module, the 6GK7443-1EX30-0XE0 delivers reliable and scalable connectivity.
Technical Specifications
| Parameter |
Value |
| Transfer rate (1st interface) |
10 to 100 Mbit/s |
| Number of Industrial Ethernet interfaces |
2 |
| Electrical connections (1st interface) |
2 x RJ45 ports |
| Supply voltage (from backplane bus) |
5 V DC |
| Current consumption (typical) |
1.4 A |
| Power loss |
7.25 W |
| Operating temperature range |
0 to 60 °C |
| Storage temperature range |
-40 to +70 °C |
| Relative humidity (max, non-condensing) |
95% |
| Protection class |
IP20 |
| Module format |
Compact S7-400 single width |
| Dimensions (W x H x D) |
25 mm x 290 mm x 210 mm |
| Net weight |
0.7 kg |
Key communication features include support for SEND/RECEIVE blocks, S7 routing, IP configuration via DHCP or block, IP Access Control List, time synchronization, extended web diagnostics, Fast Startup, and PROFIenergy. The module can act as a PROFINET IO controller managing up to 128 IO devices, with IRT support for 64 devices.
Industry Applications
This 6GK7443-1EX30-0XE0 is ideal for upgrading older S7-400 communication processors, such as the CP 443-1 Advanced or standard CP 443-1s that lack PROFINET IO controller capability. In manufacturing plants, it enables high-speed data exchange between PLCs, drives, and HMI systems over a deterministic Industrial Ethernet network. It also excels in process industries where reliable S7 communication and time synchronization (NTP, SICLOCK) are critical for coordinated control.
Compatible Systems
The module is designed specifically for Siemens S7-400 racks. It requires a compatible backplane bus and can be used with CPUs such as the 416, 417, or 414 series. Configuration is performed with STEP 7 V5.5 SP3 or higher, or STEP 7 Professional V12 (TIA Portal) or higher. It supports multiple protocols including SNMP v1, DCP, LLDP, and Media Redundancy Protocol (MRP) for ring redundancy.
Selection Guide
Before purchasing, verify your S7-400 CPU supports the 6GK7443-1EX30-0XE0 and that you have the correct STEP 7 version for configuration. For a quick and reliable source, visit ubest101 to order this genuine Siemens module with fast shipping.