SIMATIC S7-400 CP 443-5 Basic communication processor / 6GK7443-5FX02-0XE0

6GK7443-5FX02-0XE0: CP 443-5 Basic PROFIBUS communication processor. Network role and communication capacities follow the exact manufacturer entry. Verify CPU compatibility, engineering configuration and current supply before ordering.

Manufacturer part number: 6GK7443-5FX02-0XE0
Brand: Siemens
Category: PLC and HMI
Catalog status: Request a quotation

Technical specifications

Controller family: SIMATIC S7-400
Module designation: CP 443-5 Basic
Interface: 1 x 9-pin Sub-D RS-485 socket
Communication speeds: 9.6 kbps to 12 Mbps
Ethernet interfaces: 0
Backplane supply voltage: 5 VDC
Typical 5 V backplane current: 1 A typical
Open SEND/RECEIVE connections: 32 maximum
SEND/RECEIVE user data: 240 bytes maximum per connection
S7 communication connections: 48 maximum
Dimensions (W x H x D): 25 x 290 x 210 mm
Weight: 0.65 kg
Document pages: PDF 100, 101
Current lifecycle status: Not established by historical catalogue; confirm separately
Communication services: PROFIBUS FMS; S7; PG/OP; open SEND/RECEIVE
FMS connections: 48 maximum
Reviewed engineering requirement: STEP 7 V5.2 SP1 or higher and NCM S7 for PROFIBUS; confirm current supported environment

Manufacturer technical catalog · SIMATIC ST 400 / May 2017 · en · PDF · ST 400 / May 2017 / E86060-K4678-A151-A1-7600Manufacturer source: Siemens · Model explicitly covered in family document · Covered models: 6GK7443-5FX02-0XE0 · Checked: 2026-10-22Official manufacturer source

This sheet provides a quick technical summary. For design, installation and final selection, review the latest official manufacturer documentation and verify the complete part number.