Scalar Automation offers a complete range of Siemens SIMATIC S7-1200 Communication Modules, designed to expand PLC connectivity for industrial automation systems.
These modules enable communication with devices such as HMI, SCADA, VFD, sensors, energy meters, and third-party systems using different industrial protocols.
What are S7-1200 Communication Modules?
S7-1200 PLC supports additional communication through plug-in modules that allow serial and industrial networking functions.
These modules are used to connect the PLC with external devices using:
RS232 / RS485 serial communication
PROFIBUS
PROFINET / Industrial Ethernet
Modbus RTU / TCP protocols
Types of Siemens S7-1200 Communication Modules
1. CM (Communication Modules)
Used for serial communication and industrial protocols:
CM 1241 RS232Point-to-point communication
Modbus RTU / ASCII protocols
CM 1241 RS485 / RS422Industrial serial communication
Modbus RTU master/slave
Multi-drop communication support
? Up to multiple CM modules can be added depending on CPU configuration.
2. CB (Communication Board)
CB 1241 RS485Compact board mounted directly on CPU
RS485 serial communication
Used when space is limited
3. CP (Communication Processors)
Used for advanced networking and industrial connectivity:
PROFINET / Ethernet communication modules
Industrial IoT / cloud connectivity modules
Remote access and telemetry communication
Secure data exchange with SCADA systems
Key Features
Easy plug-in installation with S7-1200 CPU
Supports RS232, RS485, and RS422 interfaces
PROFINET / Industrial Ethernet connectivity
Modbus RTU & TCP support
Reliable point-to-point and multi-drop communication
Strong industrial diagnostics and LED status indication
Flexible system expansion up to multiple communication channels
Applications
VFD and drive communication
SCADA systems
Energy monitoring systems
Industrial automation machines
Packaging and conveyor systems
Process control systems
Third-party device integration
Benefits
Easy integration with external devices
Reduces need for additional gateways
Flexible communication architecture
Supports modern industrial networking
Reliable and stable data transfer
Scalable for complex automation systems
Why Choose Scalar Automation?
Scalar Automation is a trusted supplier of Siemens automation products in Ahmedabad, offering genuine S7-1200 communication modules with complete technical support.
Authentic Siemens CM / CP / CB modules
Expert guidance for communication setup
Fast supply across India
Complete automation solutions (PLC + HMI + VFD + networking)
Contact Us
? Ahmedabad, India
? info@scalarautomation.com
? www.scalarautomation.com