Siemens 6GK7443-5DX04-0XE0 CP 443-5 Extended PROFIBUS DP Module
The Siemens 6GK7443-5DX04-0XE0 is a CP 443-5 Extended communication processor for SIMATIC S7-400 PLC systems. It provides PROFIBUS DP master functionality with RS485 communication up to 12 Mbps.
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Description
Siemens 6GK7443-5DX04-0XE0
SIMATIC S7-400 CP 443-5 Extended | PROFIBUS DP Communication Processor | DP Master | RS485 Interface | 12 Mbps
Product Detailed Description
The Siemens 6GK7443-5DX04-0XE0 is a CP 443-5 Extended communication processor designed for SIMATIC S7-400 PLC systems. It provides a PROFIBUS DP interface, allowing the S7-400 controller to communicate with distributed I/O stations, field devices, and other automation equipment.The module supports PROFIBUS transmission rates from 9.6 kbit/s to 12 Mbit/s and can operate as a DP master with support for DPV1 services. It can manage up to 125 PROFIBUS DP slaves, with a total input and output address area of up to 4,096 bytes each.In addition to PROFIBUS DP communication, the CP 443-5 Extended supports S5-compatible PG/OP communication, S7 communication, and open communication using SEND/RECEIVE blocks. It is intended for integration into existing S7-400 automation systems.
Technical Specifications
| Parameter | Specification |
| Brand | Siemens |
| Model | 6GK7443-5DX04-0XE0 |
| Product Type | Communication Processor |
| Product Series | SIMATIC S7-400 / SIMATIC NET |
| Product Designation | CP 443-5 Extended |
| Communication Interface | PROFIBUS DP |
| Electrical Interface | RS485 |
| Connector | 1 × 9-pin Sub-D socket |
| Transmission Rate | 9.6 kbit/s to 12 Mbit/s |
| DP Operating Mode | DP Master |
| DPV1 Support | Yes |
| Maximum Number of DP Slaves | 125 |
| Maximum Input Address Area | 4,096 bytes total |
| Maximum Output Address Area | 4,096 bytes total |
| Maximum Data per DP Slave | 244 bytes input / 244 bytes output |
| Open Communication Connections | Up to 32 |
| Maximum SEND/RECEIVE User Data | 240 bytes per connection |
| S7 Communication Connections | Up to 48 |
| Supply Voltage | 5 V DC via S7-400 backplane bus |
| Typical Current Consumption | 1 A |
| Power Loss | 5 W |
| Protection Rating | IP20 |
| Operating Temperature | 0 to 60 °C |
| Dimensions (W × H × D) | 25 × 290 × 210 mm |
| Net Weight | 0.65 kg |
| Country of Origin | Germany |
| Replacement Model | 6GK7443-5DX05-0XE0 |
Replacement Model Introduction
The official successor to 6GK7443-5DX04-0XE0 is 6GK7443-5DX05-0XE0, another CP 443-5 Extended communication processor for SIMATIC S7-400 systems. The DX05 is the recommended replacement when the original DX04 is no longer available.
This item is listed for catalogue and inquiry purposes. Availability, condition, revision, warranty coverage, and lead time are confirmed with each quotation.
New Surplus: All items are genuine brand-new, distributor ready-stock supplying. Please inform us if you have any inquiry or demand.
Important Application Note
This is a discontinued S7-400 communication module. Its successor is 6GK7443-5DX05-0XE0. Before replacement, check the PROFIBUS configuration, connected DP slaves, CPU compatibility, and STEP 7 project settings.
Applications
| Industrial Automation & Control | Machinery & Equipment |
| • SIMATIC S7-400 PLC communication | • Automated production machinery |
| • PROFIBUS DP master networks | • Packaging equipment |
| • Distributed I/O communication | • Conveyor control systems |
| • S5-compatible PG/OP communication | • Assembly machinery |
| • S7 communication networks | • Industrial machine control |
| Power & Electrical Systems | Industrial Applications |
| • Power plant automation | • Factory automation |
| • Electrical control system networking | • Process automation |
| • Substation monitoring systems | • Manufacturing facilities |
| • Distributed electrical equipment control | • Industrial communication networks |
| • Control cabinet integration | • Legacy automation maintenance |
Additional information
| Warranty : | 12 Month |
|---|---|
| Lead Time | Ready Stock |







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