Name: Siemens 6GK7242-7KX30-0XE0 | SIMATIC S7-1200 CP 1242-7 GPRS Communication Processor
Brand: SIEMENS
SKU: 2927228
Price: 1 USD
Availability: InStock

Product Summary

Siemens 6GK7242-7KX30-0XE0 is the SIMATIC S7-1200 CP 1242-7 GPRS communication processor. It adds a GSM/GPRS path to a compatible S7-1200 CPU for remote data exchange and telecontrol communication.

The cellular path of Siemens 6GK7242-7KX30-0XE0 uses a SIM card, an SMA antenna connection and configured network parameters. The processor can buffer data, exchange messages with a control center and send SMS functions defined by the project.

For installation, Siemens 6GK7242-7KX30-0XE0 accepts 24 V DC ±20%, draws about 0.1 A typically and 0.22 A maximum, and dissipates about 2.4 W. The 30 × 100 × 75 mm IP20 unit is mounted vertically or horizontally within its stated temperature range.

Black and white 3D line drawing exterior view of Siemens 6GK7242-7KX30-0XE0

Technical Details

Technical itemSpecification

Brand: Siemens
Model: 6GK7242-7KX30-0XE0
Product Name: CP 1242-7 GPRS communication processor
Country: Germany
Cellular Standard: GSM/GPRS
GSM Bands: 850 / 900 / 1800 / 1900 MHz
GPRS Class: Class 10
Data Rate: 43 kbit/s uplink; 86 kbit/s downlink maximum
Supply: 24 V DC ±20%
Current: 0.1 A typical; 0.22 A maximum
Power Dissipation: 2.4 W
Protection: IP20
Dimensions: 30 × 100 × 75 mm
CPU Quantity: Up to 3 CPs per CPU

Communication and Connectivity

Communication path

Siemens 6GK7242-7KX30-0XE0 extends an S7-1200 station from local Ethernet engineering to a cellular control-center path.

Antenna path

The SMA connector links the processor to the installed GSM antenna, while the SIM slot provides the subscriber identity.

GPRS service

The modem uses the configured cellular profile to exchange process data with a remote station or telecontrol center.

Local CPU link

The S7-1200 backplane carries the application data between the CPU and CP 1242-7.

Diagnostics and Protection

Diagnostic approach

Siemens 6GK7242-7KX30-0XE0 exposes the conditions that matter when a cellular station is reachable locally but not remotely.

Network state

The project and diagnostic information distinguish registration, signal and connection conditions from a CPU program fault.

Message buffering

Configured buffering retains communication data during a temporary remote-link interruption.

Enclosure boundary

IP20 and the specified temperature limits are checked against the panel environment before commissioning.

Customer Questions

Why does Siemens 6GK7242-7KX30-0XE0 power up but fail to register?

Check the SIM card, antenna connection, selected GSM band service and network parameters for Siemens 6GK7242-7KX30-0XE0. Local 24 V power does not confirm that the cellular account has registered.

What is the practical data-rate limit of Siemens 6GK7242-7KX30-0XE0?

Siemens 6GK7242-7KX30-0XE0 is a GPRS Class 10 device with maximum figures of 43 kbit/s uplink and 86 kbit/s downlink. Application telegram size and network conditions still determine the usable update time.

How should the antenna be checked on Siemens 6GK7242-7KX30-0XE0?

Verify the SMA connection, cable routing and antenna placement for Siemens 6GK7242-7KX30-0XE0 before changing the CPU program. A loose or poorly placed antenna can look like a protocol problem.

Can Siemens 6GK7242-7KX30-0XE0 buffer data during a remote outage?

Configured buffering in Siemens 6GK7242-7KX30-0XE0 can retain communication data during a temporary link interruption. The project still needs a clear limit and recovery handling for the buffered records.

How many CP 1242-7 modules can be used with one CPU?

The S7-1200 arrangement for Siemens 6GK7242-7KX30-0XE0 allows up to three CP modules per CPU. Confirm the actual CPU and expansion layout before adding another communication processor.

Why is Siemens 6GK7242-7KX30-0XE0 unsuitable for an unprotected outdoor enclosure?

Siemens 6GK7242-7KX30-0XE0 has an IP20 enclosure and a defined operating temperature range. The panel must provide the environmental protection and thermal conditions required by the module.

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Enquiry Details

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Siemens 6GK7242-7KX30-0XE0 | SIMATIC S7-1200 CP 1242-7 GPRS Communication Processor Item NO.: 2927228

Siemens 6GK7242-7KX30-0XE0 | SIMATIC S7-1200 CP 1242-7 GPRS Communication Processor