Siemens 6GK7443-1EX11-0XE0

Brand：Siemens
Model：6GK7443-1EX11-0XE0

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Application scenarios

In industrial operations, the 6GK7443-1EX11-0XE0 integrates PLCs, HMIs, and robots to form unified control networks. It supports protocols such as PROFINET, TCP/IP, and S7 communication, which enable real-time data sharing between equipment. For example, it can send production data from an S7-400 PLC to a central monitoring system, allowing operators to monitor machine condition, alter settings remotely, and save downtime. The module's dual-port Ethernet interface provides redundant connections, reducing network failures in high-speed production lines.

For power distribution and renewable energy systems, this module connects generators, inverters, and smart meters to central control units. It delivers real-time data on energy output, consumption, and grid stability to cloud platforms or SCADA systems, allowing for predictive maintenance and optimal resource allocation. The 6GK7443-1EX11-0XE0's rugged construction (working temperature range: -25°C to 60°C) makes it ideal for outdoor substations or wind farms, where it can tolerate harsh weather and electrical noise.

In complicated process industries, the 6GK7443-1EX11-0XE0 module guarantees consistent communication between sensors, valves, and control systems. It enables high-speed data transfer for important applications such as real-time monitoring of temperature, pressure, and chemical levels. For example, it can connect an S7-400 PLC to analytical instruments in a pharmaceutical lab, sending exact measurement data to quality control software. The module's security features, including password protection and data encryption, protect important process information from cyber attacks.

Warehouses employ the 6GK7443-1EX11-0XE0 to connect automated guided vehicles (AGVs), conveyor belts, and inventory systems into a single network. It allows AGVs to receive real-time route updates from a central PLC, while barcode scanners transmit package data to warehouse management software over Ethernet. The module's support for industrial protocols such as EtherNet/IP guarantees compatibility with a wide range of devices, simplifying system configuration and lowering integration costs. Its tiny dimensions (40 mm × 120 mm × 125 mm) make it ideal for use in automated storage systems with small control panels.

Specifications

S7 Communication	Supports unilateral/bilateral programming (PUT/GET instructions)
TCP/IP Throughput	Measured to reach 90 Mbps
Maximum Number of Connections	48 (TCP/UDP) + 16 S7 connections (which need to be clearly distinguished)
Electrical Standard	Complies with IEEE 802.3af
Dimensions	40 mm × 120 mm × 125 mm (w × d × h)
Installation Methods	DIN rail (TS35), direct rack installation (UR1/UR2 backplane is required)
Operating Temperature	-10℃ to +60℃
Vibration Resistance	5-150Hz/2g

Product features

The 6GK7443-1EX11-0XE0 is an industrial Ethernet communication processor from Siemens' SIMATIC S7-400 series. This Ethernet communication processor, designed exclusively for the S7-400 PLC, includes PROFINET IRT and OPC UA TSN, allowing for 48 concurrent connections and a high throughput of 90 Mbps, meeting the requirement for high-speed data interchange in smart factories.

In automobile welding production lines, the 6GK7443-1EX11-0XE0 provides PROFINET IRT synchronization precision in the millisecond range, enabling zero-delay transfer of collaborative welding and visual inspection data among several robots. The processor offers seamless connectivity with 48 online devices, such as welding gun PLCs, AGV scheduling, and MES systems. The Siemens 6GK7443-1EX11-0XE0 is CE, UL 61800, and CSA certified, and it meets IEC 62443 industrial cybersecurity requirements, meeting market access laws in the EU, North America, and Asia-Pacific regions.

The Siemens 6GK7443-1EX11-0XE0 is a powerful industrial communication processor designed for easy integration into SIMATIC S7-400 automation systems. As a key Ethernet module for PLCs, it connects industrial devices to networks using protocols such as ISO/TCP, IP, and UDP to ensure stable, high-speed data transfer. Its 10/100 Mbps adaptive Ethernet connectivity ensures dependable performance in factories, power plants, and manufacturing applications.

The 6GK7443-1EX11-0XE0 is designed for industrial robustness and comes in a compact DIN rail mountable size (40 mm × 120 mm × 125 mm), making it ideal for space-constrained control panels. The IP20-rated housing protects against dust and light water splashes, and the wide operating temperature range (-25°C to +60°C) assures dependability in severe environments. It processes huge data loads efficiently because of its 128 KB RAM and 64 KB flash memory, allowing for seamless automated activities.

FAQ

Q: What is the Siemens 6GK7443-1EX11-0XE0, and what is its primary function?

A: The Siemens 6GK7443-1EX11-0XE0 is a CP 443-1 communications processor designed to connect SIMATIC S7-400 and S7-400H programmable logic controllers (PLCs) to Industrial Ethernet networks. The module supports ISO/TCP/IP and UDP protocols, enabling seamless data exchange across distributed control architectures. Key functions include S7 communication, fetch/write operations, diagnostics extensions, SEND/RECEIVE with and without RFC1006, multicast, and NTP for time synchronization across networked devices.

Q: What are the key technical specifications of the 6GK7443-1EX11-0XE0?

A: The 6GK7443-1EX11-0XE0 delivers a transmission rate of 10 to 100 Mbit/s on its 1st interface. It features a single industrial Ethernet interface with a 15-pin Sub-D socket (supporting 10 Mbit/s AUI and 10/100 Mbit/s ITP) or RJ45 port/AUI connection option. Power is supplied via the backplane bus at 5V DC, with a typical current consumption of 1.4A and a power loss of 8.6W. The module is a compact S7-400 single-width unit measuring 25mm in width, 290mm in height, and 210mm in depth, with a net weight of 0.7 kg. Up to 14 units of this module can be installed per CPU.

Q: How many connections does the 6GK7443-1EX11-0XE0 support, and what are its data volume limits?

A: The CP 443-1 supports up to 64 possible connections for open communication via SEND/RECEIVE blocks. For S7 communication, the maximum number of possible connections is 48. In multi-protocol mode, the module handles up to 64 active connections. The maximum data volume per user data on ISO, ISO-on-TCP, and TCP connections is 8 KiB (for each connection type via SEND/RECEIVE blocks), while UDP connections support a maximum of 2 KiB per user data.

Q: Does the Siemens 6GK7443-1EX11-0XE0 support PROFINET IO controller functionality?

A: No. The 6GK7443-1EX11-0XE0 does not support operation as a PROFINET IO controller. This is a key distinction from newer CP 443-1 variants such as the 6GK7443-1EX30-0XE0 and higher, which include PROFINET IO controller capabilities. If you require PROFINET IO controller functionality for your S7-400 system, the successor model 6GK7443-1EX30-0XE0 would be required.

Q: Does the 6GK7443-1EX11-0XE0 support Modbus TCP?

A: Yes, the module supports Modbus TCP in client/server mode, enabling communication with third-party Modbus devices. It also supports TCP/IP (including TCP, UDP, and ISO-on-TCP) and SNMP for network device status monitoring.

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