Description
6ES7158-0AD01-0XA0 SIEMENS DP/DP Coupler
Product Dimensions:
Product Description (Detailed Explanation)
The DP/DP Coupler is a compact, rail-mounted device that functions as a “slave” on two separate PROFIBUS networks simultaneously.
-
Data Exchange Bridge: It bridges the gap between two PROFIBUS DP lines. Each side of the coupler acts as an independent DP slave. Data written by the master of Network 1 is read by the master of Network 2, and vice versa.
-
Electrical Isolation: The two PROFIBUS interfaces are galvanically isolated from each other. This prevents electrical faults or noise in one network from affecting the other.
-
Independent Configuration: The networks can operate at different baud rates and have different bus parameters.
Product Parameters (Technical Specifications)
| Parameter Category | Specification |
| Product Type | SIMATIC DP/DP Coupler |
| Interfaces | 2 x RS 485 (PROFIBUS DP) |
| Transmission Rate | 9.6 kbit/s to 12 Mbit/s (Auto-detection) |
| Address Range | 1 to 125 (set via DIP switches) |
| Max. Input Data | 244 Bytes |
| Max. Output Data | 244 Bytes |
| Supply Voltage | 24 V DC (Dual redundant input supported) |
| Current Consumption | Approx. 150 mA |
| Dimensions (W x H x D) | 40 x 125 x 117 mm |
Product Advantages (Key Benefits)
-
Network Decoupling: Allows for the separation of machine networks. One manufacturer can supply a machine with its own internal PROFIBUS network, and the coupler allows it to talk to the plant-wide PLC without merging the bus traffic.
-
Simplified Integration: No special software or complex programming is required; the device is configured in the hardware rack of the PLC (Step 7 or TIA Portal) as a standard GSD-based slave.
-
Redundant Power Supply: Supports two independent 24V DC feeds, ensuring the communication bridge stays active even if one power source fails.
-
Baud Rate Flexibility: Network A can run at 1.5 Mbps while Network B runs at 12 Mbps without conflict.
Precautions (Important Notes)
-
Consistency: The I/O configuration (the length of input and output bytes) must be “mirrored” on both sides. If Side A is configured for 10 bytes OUT / 5 bytes IN, Side B must be configured for 10 bytes IN / 5 bytes OUT.
-
DIP Switch Setting: The PROFIBUS addresses are set manually via physical DIP switches under the front cover. Ensure these are set before powering on the device.
-
Bus Termination: Like any PROFIBUS node, if the coupler is at the end of a segment, the termination resistor on the PROFIBUS plug must be switched to “ON.”
-
Diagnostic LEDs: Monitor the “SF” (System Fault) and “BF” (Bus Fault) LEDs. A BF LED on one side usually indicates a configuration mismatch or a disconnected cable on that specific network.
Product Applications (Typical Use Cases)
-
OEM Machine Integration: When a factory owner needs to connect a third-party machine (with its own internal PLC) to the main factory SCADA system.
-
Cross-Controller Communication: Connecting two S7-400 or S7-300 PLCs that belong to different departments or sub-processes to exchange interlock signals.
-
Protocol Isolation: Protecting a critical control network from the high traffic or potential electrical issues of a peripheral I/O network.
-
Large-Scale Plants: Facilitating communication between a Siemens-based system and a non-Siemens PROFIBUS master (e.g., ABB or Schneider) without requiring complex Master-to-Master communication setup.
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
Please make an inquiry for more models:
| 6DD1600-0AK0 | SIEMENS | 6ES7412-2XG00-0AB0 | SIEMENS |
| 6DD1682-0CH2 | SIEMENS | 6ES7413-2XG01-0AB0 | SIEMENS |
| 6DR2001-1 | SIEMENS | 6ES7413-2XG02-0AB0 | SIEMENS |
| 6DS1703-8AB | SIEMENS | 6ES7414-2XK05-0AB0 | SIEMENS |
| 6ES5377-0AB41 | SIEMENS | 6ES7431-1KF20-0AB0 | SIEMENS |
| 6ES5955-3LC13 | SIEMENS | 6ES7431-7QH00-0AB0 | SIEMENS |
| 6ES7141-1BF12-0XB0 | SIEMENS | 6ES7453-3AH00-0AE0 | SIEMENS |
| 6ES7194-1AA01-0XA0 | SIEMENS | 6ES7677-1DD10-0BA0 | SIEMENS |
| 6ES7952-0KH00-0AA0 | SIEMENS | 6ES7740-0AA00-0YA0 | SIEMENS |
| 6EW1860-3AA | SIEMENS | 6EW1890-1AB | SIEMENS |
| 6EW1890-2AC | SIEMENS | 6FC5103-0AB03-0AA0 | SIEMENS |
| 6FQ2531-OB | SIEMENS | 6FC5103-0AB03-0AA3 | SIEMENS |
| 6GK1105-2AC10 | SIEMENS | 6FC5110-0DB02-0AA1 | SIEMENS |
| 6NH9860-1AA00 | SIEMENS | 6FC5110-0DB03-0AA4 | SIEMENS |
| 6SE7013-0EP50-Z | SIEMENS | 6FC5203-0AF08-0AA0 | SIEMENS |
| 6SE7038-6EK84-1JC2 | SIEMENS | 6FC5203-0AF08-1AB0 | SIEMENS |
| 7KE4490-2BP | SIEMENS | 6FC5220-0AA00-1AA0 | SIEMENS |
| C79451-Z1038-U13 | SIEMENS | 6FC5220-0AA01-1AA0 | SIEMENS |
| C98043-A7002-L1-12 | SIEMENS | 6FC5303-1AF02-8AE0 | SIEMENS |
| HFD63F250 | SIEMENS | 6FC5370-0AA00-2AA0 | SIEMENS |
| 140X14/28 | SIEMENS | 6FC5370-0AA00-2BA0 | SIEMENS |


