6ES7241-1CH32-0XB0
SIMATIC S7-1200 CM 1241 RS422/485 Module · CM 1241 serial communication module with one RS422/RS485 interface, a 9-pole D-sub socket and Freeport support.
Lifecycle note: Use the unit nameplate and current official documentation as final references before approving a replacement.
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+86 15359408275SIMATIC S7-1200 CM 1241 RS422/485 Module · Siemens SIMATIC S7-1200 CM 1241
Siemens 6ES7241-1CH32-0XB0 is a SIMATIC S7-1200 CM 1241 module that provides one RS422/RS485 serial interface for connected drives, meters, scanners and other serial devices.
The module uses a 9-pole D-sub socket and supports Freeport communication, allowing the controller application to exchange configured serial messages through the S7-1200 communication instructions.
Before installation, verify CPU and TIA Portal hardware-catalog support, RS422 or RS485 wiring mode, pinout, bias and termination, cable shielding, baud rate, character framing, protocol blocks and slave-address plan.
| Manufacturer | Siemens |
|---|---|
| Order number | 6ES7241-1CH32-0XB0 |
| Module designation | CM 1241 |
| Controller family | SIMATIC S7-1200 |
| Serial interface | 1 x RS422/RS485 |
| Connector | 9-pole D-sub socket |
| Communication mode | Freeport |
| Supported system role | Serial point-to-point or multidrop communication |
| Mounting | S7-1200 module rail beside a compatible CPU |
| Net weight | 0.150 kg |
| Product lifecycle | Active product in Siemens catalog |
Siemens 6ES7241-1CH32-0XB0 gives a compatible S7-1200 controller one configurable RS422/RS485 serial channel for industrial device communication.
Siemens 6ES7241-1CH32-0XB0 uses a 9-pole D-sub socket whose pin assignment and wiring mode must match the selected RS422 or RS485 network.
Freeport support allows Siemens 6ES7241-1CH32-0XB0 to exchange application-defined serial frames when the controller program configures the port and manages transmit and receive operations.
Siemens 6ES7241-1CH32-0XB0 can communicate only when electrical wiring, baud rate, parity, character format, message protocol, addresses and timing all match the connected device.
The two CM 1241 revisions are related but not identical, so CPU firmware, hardware-catalog support, port behavior and the approved application must be checked before substitution.
Commission Siemens 6ES7241-1CH32-0XB0 by validating connector pinout, shielding and termination, then test each message path, timeout, error response and device address under normal bus load.
Provide the complete Siemens 6ES7241-1CH32-0XB0 order number, CPU and firmware, TIA Portal version, interface mode, protocol, cable and connector details, quantity and destination.
Send the complete 6ES7241-1CH32-0XB0 catalog number, revision, quantity, destination and nameplate photo. Identification details will be checked before quotation.
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