Siemens 6AG1197-1LB00-4XA0 Bus Adapter
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||

Technical Specifications
| Parameter | Description |
|---|---|
| Brand | Siemens |
| Product Model | 6AG1197-1LB00-4XA0 |
| Product Type | SIPLUS S7-400 Y-Link Coupler |
| Product Series | SIPLUS Y-Link for S7-400H |
| Base Model | 6ES7197-1LB00-0XA0 |
| Main Function | Connects redundant PROFIBUS DP master systems to a single-channel PROFIBUS DP slave system |
| Application System | SIMATIC S7-400H High-Availability Control System |
| Communication Protocol | PROFIBUS DP |
| Transmission Rate | 45.45 kbit/s to 12 Mbit/s |
| Maximum Number of DP Slaves | 31; up to 64 when RS 485 repeaters or OLM/OBT devices are used |
| Maximum Number of RS 485 Repeaters | 9 |
| Power Supply | Supplied via the bus module |
| Permitted Supply Voltage | 20.4–28.8 V DC |
| Maximum Current Consumption | 300 mA |
| Typical Power Consumption | 1 W |
| Diagnostic Function | Supported |
| Electrical Isolation | Supports potential isolation from the downstream DP master system |
| Bus Termination | Active terminating resistor |
| Protection Rating | IP20 |
| Operating Temperature | 0 to +60 °C |
| Storage and Transportation Temperature | -40 to +70 °C |
| Maximum Installation Altitude | 5,000 m, subject to applicable environmental restrictions |
| Relative Humidity | Up to 100% under specified test conditions, including condensation and frost; startup under condensation conditions is not permitted |
| Protective Design | PCB conformal coating |
| Installation Method | Installed as part of an S7-400H Y-Link configuration |
| Dimensions | 40 × 125 × 130 mm |
| Weight | 0.249 kg |
FAQ
1. What is the main function of the Siemens 6AG1197-1LB00-4XA0?
The Siemens 6AG1197-1LB00-4XA0 is a SIPLUS S7-400 Y-Link coupler designed for S7-400H redundant control systems. It connects a redundant PROFIBUS DP master system to a single-channel PROFIBUS DP slave system. This allows field devices with only one PROFIBUS DP interface to communicate with a high-availability automation system, improving communication availability within industrial control networks.
2. How does the 6AG1197-1LB00-4XA0 establish PROFIBUS DP network connections?
The module uses a Y-Link architecture to connect different PROFIBUS DP network sections. In an S7-400H system, the redundant DP master side communicates with the single-channel DP slave side through the Y-Link. This enables standard field devices with a single interface to participate in a redundant automation network. A typical Y-Link configuration includes two IM 153-2 HF interface modules, one Y coupler, and the corresponding bus modules. The exact configuration must be checked against the network design and hardware compatibility requirements.
3. What PROFIBUS DP communication speeds does the 6AG1197-1LB00-4XA0 support?
The module supports PROFIBUS DP communication rates from 45.45 kbit/s to 12 Mbit/s. The actual transmission rate depends on the connected master and slave devices, bus cable length, wiring quality, and repeater configuration. During commissioning, ensure that all connected devices use compatible communication parameters. Proper bus termination is also important to prevent signal reflections and communication interruptions.
4. How many DP slave devices can be connected through this Y-Link coupler?
Under the specified configuration, the downstream PROFIBUS DP master system can support up to 31 DP slaves. When RS 485 repeaters or OLM/OBT optical communication devices are used, the maximum number can increase to 64. The network topology, cable length, and signal quality must also be considered when expanding the system. Planning the number of slave devices in advance helps prevent communication capacity and network design problems.
5. What are the power supply requirements of the 6AG1197-1LB00-4XA0?
The module receives power through the bus module. Its permitted DC supply voltage range is 20.4–28.8 V DC, with a maximum current consumption of 300 mA and typical power consumption of 1 W. During installation, verify that the bus module can provide sufficient power and that all electrical connections are secure. If the device fails to start or communication becomes unstable, check the supply voltage, connection contacts, and associated bus module first.
6. What is the purpose of the diagnostic function?
The diagnostic function helps maintenance personnel identify communication and operating problems within the PROFIBUS DP network. When slave devices become unavailable, communication is interrupted, or bus configuration errors occur, diagnostic information from the S7-400H control system can help locate the source of the fault. For effective troubleshooting, check the master status, slave addresses, transmission rate, bus termination, and cable connections together.
7. How can I troubleshoot PROFIBUS DP communication faults involving the 6AG1197-1LB00-4XA0?
First, verify that the module receives the correct supply voltage and that the bus module and connectors are securely installed. Inspect the PROFIBUS DP cable for broken wires, short circuits, poor shielding connections, or loose contacts. Next, check slave addresses, communication rates, and bus termination settings to ensure that the network parameters are consistent. If RS 485 repeaters or OLM/OBT devices are installed, check their operating status as well. Finally, review the PLC diagnostic buffer and Y-Link diagnostic information to determine whether the fault originates from the coupler, interface modules, or downstream DP network.
8. What should be checked when installing or replacing the 6AG1197-1LB00-4XA0?
Before installation or replacement, confirm the complete part number and verify compatibility with the interface modules and bus modules in the existing S7-400H Y-Link configuration. Check the PROFIBUS DP network topology, number of connected slaves, transmission rate, and bus termination settings. The module has an IP20 protection rating and a conformal-coated PCB, so it should still be installed inside a suitable control cabinet. After installation, verify the power supply, network communication, and diagnostic status to ensure that downstream DP slaves can be accessed correctly before returning the system to service.
Siemens 6AG1197-1LB00-4XA0 Bus Adapter is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
We can provide detailed product images upon request, and our team can arrange warehouse photos for confirmation to ensure you have all the information you need before making a purchase.
Shipping times vary depending on your location. With the support of our 16 global warehouses, we strive to deliver orders as quickly as possible. Contact us to get an estimated delivery time for your specific location.
The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
Yes, we offer competitive pricing for bulk purchases. Please reach out to our sales team with the specifics of your order to receive a custom quote.
We accept various payment methods for wholesale orders, including bank transfers (T/T), letters of credit, and other options upon agreement. For large transactions, please contact us directly for payment terms.
Yes, we offer flexible ordering options for both small and large quantities. Whether youre looking for a single unit or a large batch, we can accommodate your needs.
We occasionally offer promotional discounts for new wholesale customers. Contact us to learn more about any current offers available for first-time buyers.
If you are unsure of compatibility with your existing setup please provide your system details and our support team can verify compatibility prior to purchase.
Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.








