Brand:Siemens Item No.:6AG1137-6AA00-2BA0 Product Origin:Germany Product Dimensions:15 × 73 × 58 mm Product Weight:0.03 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Siemens 6AG1137-6AA00-2BA0 Communication Module is a compact SIPLUS ET 200SP communication solution for serial point-to-point applications.
Modern industrial systems often contain a mixture of new and legacy equipment. While Ethernet-based communication has become increasingly common, many machines still depend on serial interfaces for drives, instruments, weighing systems, barcode readers, controllers, and specialized field devices. A flexible serial communication module can therefore be extremely valuable when integrating these devices into an existing automation architecture.
The 6AG1137-6AA00-2BA0 supports RS-232, RS-422, and RS-485, giving system designers several options for connecting external equipment. It also supports Freeport, 3964(R), USS, and MODBUS RTU Master/Slave, allowing the module to accommodate a broad range of industrial communication requirements.
For MODBUS RTU installations, careful attention should be paid to communication parameters such as slave address, baud rate, parity, stop bits, and register mapping. A physical connection alone does not guarantee successful data exchange; both devices must use compatible communication settings.
RS-485 and RS-422 installations require particular attention to differential signal wiring, termination, cable routing, and network topology. Poor wiring practices can create intermittent communication problems that may initially appear to be module failures.
The SIPLUS design adds conformal coating and an extended environmental operating range, making the module a practical choice for demanding industrial installations. The compact 15 × 73 × 58 mm form factor also helps conserve cabinet space.
For maintenance teams, troubleshooting should begin with the communication layer rather than immediately replacing hardware. Check the physical connection, communication parameters, protocol configuration, device addressing, and diagnostic information in a logical sequence. This approach can often identify configuration errors much faster than component replacement.
The complete Siemens order number 6AG1137-6AA00-2BA0 should be confirmed before procurement or replacement to ensure that the correct communication function and environmental specification are being selected.
Dimensions: 15 × 73 × 58 mm Weight: 0.03 kg (0.07 lb)
For commissioning, verify the selected serial interface, communication parameters, protocol settings, cable arrangement, device addressing, and compatible BaseUnit before connecting the module to the automation system.
Recommended Related Models
Model
Product Type
Application Relationship
6AG1137-6AA00-2BA0
Communication Module
Primary model
6AG1137-6AA01-7BA0
Communication Module
Related SIPLUS ET 200SP CM PtP model
6AG1136-6PA00-2BC0
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The related communication model may have different communication performance or environmental specifications. I/O and power modules perform different functions and should not be treated as direct substitutes. Always verify the complete order number and system requirements before replacement.
Popular Related Models
Siemens 6AG1137-6AA01-7BA0 — Communication Module
Siemens 6AG1136-6PA00-2BC0 — Power Module
Siemens 6AG1136-6DC00-2CA0 — Digital Output Module
Siemens 6AG1136-6RA00-2BF0 — Relay Output Module
Siemens 6AG1135-4FB01-2AB0 — Analog Output Module
For retrofit and replacement projects, verify the exact Siemens order number, serial interface, communication protocol, baud rate, device addressing, BaseUnit type, field wiring, and environmental requirements before installation and commissioning.
Industrial Communication Applications
The Siemens 6AG1137-6AA00-2BA0 Communication Module is a SIPLUS ET 200SP CM PtP communication module designed to provide serial point-to-point communication within industrial automation systems.
It supports RS-232, RS-422, and RS-485 interfaces and can be used with communication methods such as Freeport, 3964(R), USS, and MODBUS RTU Master/Slave. The maximum transmission rate is 115.2 kbit/s, making the module suitable for integrating serial field devices into compatible Siemens automation architectures.
Typical applications include:
PLC-to-device serial communication
Industrial instrument integration
Modbus RTU communication
Drive communication
Barcode and identification systems
Weighing equipment
Serial sensor interfaces
Machine-to-machine communication
Legacy equipment integration
Distributed automation systems
The combination of multiple serial interfaces and protocol flexibility makes this module particularly useful when modern automation equipment needs to communicate with established serial devices.
Communication Flexibility and Engineering Advantages
Three widely used serial interfaces
The 6AG1137-6AA00-2BA0 supports RS-232, RS-422, and RS-485, allowing engineers to select an appropriate physical interface according to the connected equipment and communication topology.
MODBUS RTU capability
Support for MODBUS RTU Master and Slave operation makes the module useful for connecting compatible meters, drives, controllers, instruments, and other serial devices.
Multiple communication methods
Freeport, 3964(R), and USS support provide additional flexibility when integrating different types of industrial equipment.
Extended environmental capability
As a SIPLUS version with conformal coating, the module is designed for more demanding industrial environments than a standard module.
Compact installation
With supplied dimensions of 15 × 73 × 58 mm, it provides a space-efficient solution for modular control cabinets and distributed I/O installations.
Firmware update capability
The communication module supports firmware updates, which can simplify maintenance and lifecycle management when supported by the installed system.
Flexible system integration
The module is designed for use with compatible ET 200SP BaseUnits type A0, allowing it to be integrated into a structured modular I/O architecture.
Strong retrofit value
Serial communication remains important in many installed machines. This module provides a practical way to integrate existing RS-232, RS-422, or RS-485 equipment into a modern automation environment.
Technical FAQs
1. What is the Siemens 6AG1137-6AA00-2BA0 used for?
It is a SIPLUS ET 200SP CM PtP communication module used for serial point-to-point communication between a compatible Siemens automation system and external serial devices.
2. Which serial interfaces are supported?
The module supports RS-232, RS-422, and RS-485 communication.
3. Can the module communicate using MODBUS RTU?
Yes. The module supports MODBUS RTU Master and Slave operation.
4. What is the maximum transmission rate?
The specified maximum transmission rate is 115.2 kbit/s.
5. What can cause a serial communication timeout?
Common causes include incorrect baud rate, parity or stop-bit configuration, incorrect device address, wiring problems, incompatible communication parameters, protocol configuration errors, or an incorrectly terminated RS-485/RS-422 network.
6. Why is RS-485 useful in industrial automation?
RS-485 supports differential signaling and is well suited to industrial serial networks where longer cable runs and multiple connected devices may be required.
7. What should be checked when RS-232 communication fails?
Verify the transmit and receive wiring, communication parameters, cable type, device configuration, handshake requirements, and whether both devices use compatible RS-232 signal definitions.
8. How should an RS-485 communication fault be investigated?
Check A/B signal wiring, device addresses, baud rate, termination, cable routing, grounding considerations, and whether multiple devices are attempting to use the bus incorrectly.
9. What should be verified before replacing the communication module?
Check the communication parameters, protocol configuration, physical wiring, BaseUnit, external device, diagnostic information, and controller program before replacing the hardware.
10. What should be tested after installing a replacement module?
Verify module recognition, serial parameters, protocol configuration, physical connections, communication status, and successful data exchange with the connected device before returning the system to normal operation.
