SIEMENS 6GK7542-1AX10-0XE0 SIMATIC S7-1500 CM 1542-1 Communication Module

One PROFINET interface is provided with a two-port switch architecture. The two RJ45 sockets are galvanically isolated. The interface uses 100BASE-TX and operates at 100 Mbps in PROFINET operation.

1 PROFINET interface with a 2-port switch.

2 × galvanically isolated RJ45 sockets.

100BASE-TX, IEEE 802.3-2005, full duplex and auto-crossover.

Power is supplied through the S7-1500 backplane bus.

Integration into a ring topology with Media Redundancy Protocol is supported.

Yes. Siemens specifies the CM 1542-1 for connecting a SIMATIC S7-1500 system to PROFINET as either an IO Controller or an IO Device. The required role should match the configured automation architecture.

It provides one PROFINET interface with a two-port switch and two galvanically isolated RJ45 sockets. The two connectors are therefore part of the same PROFINET interface rather than two separate network interfaces.

Yes. Siemens specifies integration of the two ports into a ring topology with Media Redundancy Protocol (MRP). This makes the module relevant when the S7-1500 network architecture uses MRP-based ring redundancy.

Check the complete article number, the S7-1500 CPU and rack arrangement, the configured PROFINET role, network topology and required communication functions. A visually similar CM should not be treated as an automatic substitute.

Yes. NTP time synchronization is supported. The module also supports time synchronization functions within the S7-1500 communication environment, making the exact network configuration important when planning replacement or expansion.

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