Siemens 6GK7443-1EX11-0XE0 CP 443-1 Communication Processor for SIMATIC S7-400
CP 443-1 Communication Processor
SIMATIC S7-400
RJ45 / AUI Interface
Place of Origin:
Germany
Brand Name:
Siemens
CP 443-1 Communication Processor
,SIMATIC S7-400
,RJ45 / AUI Interface
6GK7443-1EX11-0XE0
Industrial Ethernet communication processor for SIMATIC S7-400 systems, supporting the documented ISO, TCP/IP, UDP, S7 communication, Fetch/Write, SEND/RECEIVE, multicast and NTP functions.
Technical Specifications
Core product dataElectrical, interface and mechanical data
| Item | Specification |
|---|---|
| Product type | CP 443-1 |
| System connection | SIMATIC S7-400 |
| Industrial Ethernet transfer rate | 10 ... 100 Mbit/s |
| Number of Industrial Ethernet interfaces | 1 |
| Electrical connection | 1 |
| Interface connection | RJ45 port / AUI |
| Industrial Ethernet interface design | 15-pin Sub-D socket; 10 Mbit/s AUI, 10/100 Mbit/s ITP |
| C-PLUG | No |
| Supply voltage | 5 V DC from the S7-400 backplane bus |
| Voltage tolerance | 5 % at 5 V |
| Typical current consumption | 1.4 A |
| Power loss | 8.6 W |
| Module format | Compact module, S7-400 single width |
| Dimensions (W × H × D) | 25 × 290 × 210 mm |
| Net weight | 0.7 kg |
| Protection class | IP20 |
Communication performance and configuration
| Item | Specification |
|---|---|
| Maximum units per CPU | 14 |
| Open communication connections | Maximum 64 using SEND/RECEIVE blocks |
| User data per ISO connection | Maximum 8 KiB |
| User data per ISO-on-TCP connection | Maximum 8 KiB |
| User data per TCP connection | Maximum 8 KiB |
| User data per UDP connection | Maximum 2 KiB |
| S7 communication connections | Maximum 48 |
| Active connections in multi-protocol mode | 64 |
| Configuration software | STEP 7 V5.1 SP2 or higher |
| NTP | Yes |
| SICLOCK support | Yes |
| SNMP v1 | No |
| LLDP | No |
| Web-based diagnostics | No |
| Integrated switch function | No |
| Ring redundancy | No |
Environmental data
| Item | Specification |
|---|---|
| Operating temperature | 0 ... 60 °C |
| Storage temperature | -40 ... +70 °C |
| Transport temperature | -40 ... +70 °C |
| Maximum relative humidity | 95 % at 25 °C, without condensation, during operation |
Application & Fault Scenarios
Applied within S7-400 automation installations where Industrial Ethernet communication is required between the controller and connected network equipment.
A failed or unavailable communication processor can lead maintenance teams to search by the exact installed order number when Ethernet communication is interrupted.
Loss of the communication path can interrupt controller-to-network data exchange and affect automation functions that depend on that connection.
For the 6GK7443-1EX11-0XE0 pdf/manual/datasheet reference, confirm the complete order number and the receiving system configuration before ordering.
Industrial Automation Supply
Exact part-number identification, sourcing coordination and practical support for industrial automation components.
Provide the exact part number when requesting availability, pricing or replacement support.
Delivery & Warranty
Units are checked before shipment and packaged for industrial-part handling. Returns and DOA cases are handled after inspection and order verification. Warranty applies to confirmed defects in the supplied unit within the agreed warranty period; misuse, incorrect installation and external system faults are excluded.
RFQ
Please include:
Required Date · Machine/System Model
FAQ
What Ethernet speed does this CP support?
The Industrial Ethernet interface is specified for 10 ... 100 Mbit/s.
Which connection types are specified for the interface?
The documented interface connection is RJ45 / AUI, with a 15-pin Sub-D socket specified for the Industrial Ethernet interface.
Which configuration software is required?
Siemens specifies STEP 7 V5.1 SP2 or higher for configuration.
What should be checked before ordering a replacement?
Confirm the complete order number and compare the replacement with the installed system configuration before ordering.
Is this CP intended for SIMATIC S7-400 systems?
Yes. The specified system connection for this CP 443-1 is SIMATIC S7-400.
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