Regarding the Siemens 6ES71425AF000BA0 module, it is a PROFIBUS DP interface module (slave station) in the ET 200SP distributed I/O system, mainly used to connect the ET 200SP station to the PROFIBUS DP network and expand the input and output capabilities of the PLC. The following is the collation of its core information:
- Basic Product InformationSiemens 1FL60342AF211LH1 Servo Motor
Model: 6ES71425AF000BA0
Name: ET 200SP PROFIBUS DP Interface Module (Slave Station)
Series: SIMATIC ET 200SP
FunctionsSiemens converter 6SE64402UD420GA1:
As a PROFIBUS DP slave station, it connects the ET 200SP distributed I/O station to the PROFIBUS network.
Supports communication with the master station (such as S7300/400, S71200/1500, etc.) and transmits input and output data.
Can expand the I/O modules of ET 200SP (such as DI/DO, AI/AO, process modules, etc.).
- Technical ParametersSiemens V20 Inverter 15KW of Model 6SL32105BE315UV0
| Parameter | Description |
| Communication Interface | PROFIBUS DP (RS485), supports baud rates from 9.6 kbps to 12 Mbps, conforms to the DPV0 protocol. |
| Power Supply Voltage | DC 24V (powered by the power module PME or BU). |
| Maximum Number of Expandable Modules | Supports up to 32 I/O modules (depending on the power capacity and communication load). |
| Protection Level | IP20 (needs to be installed in the control cabinet). |
| Installation Method | DIN rail installation (35 mm), supports horizontal or vertical installation. |
| Configuration Tool | TIA Portal V13 and above, or STEP 7 V5.5 (requires installation of the GSD file). |
| Slave Station Address Setting | Manually set through the DIP switch on the module (1~126). |
III. Wiring MethodChint converters (NVF2G18.5/TS4 or NVF2G18.5/PS4
- Power Supply Wiring
Power Input: Power the module through the BU basic unit or PME power module. The wiring is as follows:
L+: Positive pole of DC 24V (connect to the positive pole of the power supply).
M: Negative pole of DC 24V (connect to the negative pole of the power supply).
PE: Ground terminal (needs to be reliably connected to the protective ground).
- PROFIBUS Communication WiringAB Inverter 25BD043N114
Interface: 9pin Dtype plug (SubD) on the side of the module. The definition is as follows (facing the plug, pin 1 is at the top):
| Pin | Signal | Description |
| 1 | SHIELD | Shield layer (grounded) |
| 2 | M (GND) | Signal ground |
| 3 | RXD/TXDP | PROFIBUS data positive (Line B) |
| 4 | n.c. | Not used |
| 5 | M (GND) | Signal ground |
| 6 | Vcc (5V) | 5V power supply (for active termination resistor) |
| 7 | P (Vcc) | Not used |
| 8 | RXD/TXDN | PROFIBUS data negative (Line A) |
| 9 | n.c. | Not used |
Wiring Requirements:
Use a PROFIBUS dedicated cable (such as 6XV18300EH10). Connect Line A (green) to pin 8 and Line B (red) to pin 3.
For the terminal stations, a termination resistor needs to be connected (the builtin termination resistor of the module can be enabled through the DIP switch, and the switch is located on the side of the module).
- Connection with I/O Modules
Physically connect the interface module with the I/O modules through the BU basic unit of ET 200SP. No additional wiring is required, and the modules communicate automatically through the backplane bus.
- Configuration Steps (Taking TIA Portal as an Example)
- Install the GSD File: If using it for the first time, install the GSD file (support package) of ET 200SP in TIA Portal.
- Hardware Configuration:
Insert a “PROFIBUS DP” network in the project and set the master station parameters (such as address, baud rate).
Find 6ES71425AF000BA0 in the hardware catalog, drag and drop it onto the PROFIBUS network, and set the slave station address (it needs to be consistent with the DIP setting of the module).
Add the required I/O modules under the interface module and configure the input and output addresses.
- Download the Configuration: Download the hardware configuration to the master station PLC to ensure normal communication.
- Application Scenarios
Distributed Control: Used in scenarios such as production lines, machine tools, and conveyor systems that require remote I/O expansion.
PROFIBUS Network Expansion: As a slave station, connect to the PROFIBUS DP master station to expand the input and output points of the system.
Flexible Configuration: Supports hotswappable I/O modules, which is convenient for onsite maintenance and function expansion.
- Precautions
- Address Consistency: The slave station address set by the DIP switch of the module must be consistent with the address in the configuration software.
- Termination Resistor: For the first and last stations of the network, the termination resistor needs to be enabled (set the switch on the side of the module to “ON”), and for the intermediate stations, set it to “OFF”.
- Power Supply Stability: Ensure the stability of the DC 24V power supply to avoid module failures caused by voltage fluctuations.
- Reference to the Manual: For specific wiring and configuration details, please refer to the official Siemens manual (《ET 200SP Interface Module Manual》).
For further operation guidance, it is recommended to visit the [Siemens Industrial Support Center] to download the product manual or contact technical support.
The technical parameters of this module are as follows:
| Parameter | Description |
| Communication Interface | PROFIBUS DP (RS 485), supporting a baud rate of 9.6 kbps to 12 Mbps, conforming to the DP V0 protocol. |
| Power Supply Voltage | DC 24V (powered by the power module PM E or BU). |
| Maximum Number of Expandable Modules | Supports up to 32 I/O modules (depending on the power capacity and communication load). |
| Protection Level | IP20 (needs to be installed in the control cabinet). |
| Installation Method | DIN rail installation (35 mm), supporting horizontal or vertical installation. |
| Configuration Tool | TIA Portal V13 and above, or STEP 7 V5.5 (requiring the installation of the GSD file). |
| Slave Station Address Setting | Manually set through the DIP switch on the module (1 126). |





















