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Siemens 6GK7543-1AX00-0XE0 SIMATIC NET CP 1543-1

Siemens 6GK7543-1AX00-0XE0 SIMATIC NET CP 1543-1

Product Name: SIMATIC NET CP 1543-1 Industrial Ethernet Processor

Brand Name: Siemens

Model Number: 6GK7543-1AX00-0XE0

Place of Origin: Germany

Warranty: 12 Months

Whatsapp: +86 18020776782

Email: [email protected]

Appurtenance:

siemens 6gk7543 1ax00 0xe0 simatic net cp 1543 1 industrial ethernet processor-1

Overview
Network Security
Description
Lifecycle Migration
Specifications
Commercial Term
Contact info
FAQ
Other Products
Recommended Products

Secure S7-1500 Industrial Ethernet processor with Gigabit access, VPN, firewall and IPv4 or IPv6 services

The CP 1543-1 adds a dedicated 10/100/1000 Mbit/s RJ45 interface to an S7-1500 station. It supports TCP/IP, ISO, UDP, S7 communication, multicast, FTP, email, SNMP, DHCP, NTP and security functions including VPN and a stateful firewall.

Security migration check: Archive the TIA Portal hardware configuration, IP and routing data, firewall rules, VPN certificates or pre-shared keys, users, time source and communication partners. Confirm CPU and firmware compatibility before fitting the exact spare or its approved successor.

Network Security

The network map and security configuration must be restored together; a physical link is only the first commissioning checkpoint.

Access policy

Back up firewall rules, permitted services, user roles, web settings and any 802.1X or RADIUS parameters.

VPN identity

Preserve certificates, keys, peer addresses, authentication method and the time source used for certificate validation.

Protocol baseline

List S7, TCP, UDP, ISO, FTP, email, SNMP and multicast partners with ports and expected connection states.

Description

6GK7543-1AX00-0XE0 is a single-width CP 1543-1 for S7-1500 systems. The module uses the backplane supply, occupies one 35 mm slot and provides one copper Gigabit Ethernet interface for protected plant communication.

A successful replacement depends on restoring both communication and security state. Link activity alone does not prove that firewall rules, VPN identity, certificate time validity or configured application connections are correct.

Lifecycle Migration

The exact spare is discontinued, so any successor decision must include engineering and security compatibility rather than only slot fit.

CPU and project

Confirm the S7-1500 CPU, TIA Portal version, hardware catalog entry and available station resources.

Firmware path

Record the installed CP firmware and review approved update or successor requirements before changing the device.

Acceptance test

Test routing, application connections, VPN, firewall enforcement, diagnostics and time synchronization independently.

Specifications

Product type designation

SIMATIC NET CP 1543-1

Order number

6GK7543-1AX00-0XE0

Ethernet interface

One RJ45, 10/100/1000 Mbit/s

Backplane supply

15 V DC; typical current 0.35 A

Power loss

5.3 W

Open communication

Up to 118 connections, system-dependent

S7 communication

Up to 118 connections, system-dependent

VPN capacity

Up to 16 connections

Security

Stateful firewall, IPsec VPN, certificates and 802.1X

Operating temperature

0 to 60 degrees C horizontal; 0 to 40 degrees C vertical

Dimensions / protection

35 x 142 x 129 mm; IP20

Weight

Approx. 0.35 kg

Commercial Term

Quotation

Current price and availability

Payment

T/T or agreed terms

Lead time

Confirmed with quotation

Shipping

DHL, FedEx, UPS or agreed freight

Warranty

12 months

Contact info

CONTACT

Jim Pei

[email protected]

+86 180 2077 6782

FAQ

How can I verify that 6GK7543-1AX00-0XE0 is compatible with my S7-1500 station?

Check the exact CPU order number and firmware, TIA Portal hardware catalog, free slot and station resources. Confirm the required Ethernet services and note that the maximum number of CPs per CPU depends on the CPU type.

What security data should I preserve before replacing 6GK7543-1AX00-0XE0?

Archive the complete project plus firewall rules, VPN peers, certificates or pre-shared keys, user roles, web settings, IP routes, NTP source and 802.1X parameters. Record certificate validity and the current module time.

Why can 6GK7543-1AX00-0XE0 show an Ethernet link while the PLC partner is unreachable?

Verify the IP address, subnet, gateway and selected interface, then check the stateful firewall, permitted ports, routing and partner configuration. Review diagnostics before changing cables or reloading the project.

Why can VPN communication fail after 6GK7543-1AX00-0XE0 is exchanged?

Confirm that the correct certificates or pre-shared keys were restored and that the module time, NTP source, peer address, algorithms and firewall rules match the approved configuration. A time error can invalidate an otherwise correct certificate.

How should I diagnose intermittent traffic or connection limits on 6GK7543-1AX00-0XE0?

Capture interface counters, active S7 and open connections, multicast use and CPU resource status. Compare the result with the system-dependent connection limits and isolate excessive retries or a single high-load service before changing hardware.

Can 6GK7543-1AX00-0XE0 be replaced directly by the newer CP 1543-1 order number?

Do not treat the successor as an automatic drop-in replacement. Confirm CPU and TIA Portal support, firmware, security functions, certificate handling, project conversion and acceptance tests with the installed system before procurement.

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