MeloAuto-Trusted PLC & DCS Parts Supplier
The Siemens 6GK1143-0TB00 connects your S5 PLC to a PROFIBUS DP network. This communication processor acts as a master on the bus. It handles cyclic data exchange with remote slave devices seamlessly.
Technical specifications of Siemens 6GK1143-0TB00
| Parameter | Specification |
|---|---|
| Brand | Siemens |
| Model | Siemens 6GK1143-0TB00 |
| Product Family | SIMATIC S5 |
| Category | Communication Processor (CP 5430) |
| Protocol | PROFIBUS DP (master) |
| Transmission Rate | 9.6 kbit/s to 1.5 Mbit/s |
| Physical Interface | RS-485 (9-pin D-sub) |
| Max Slave Devices | 32 per segment |
| Max Data per Slave | 32 bytes input + 32 bytes output |
| Total Data Volume | 1 KB input + 1 KB output |
| Power Supply | 24V DC external |
| Current Consumption | 200 mA typical |
| Number of Components | 1 PCB, 1 D-sub connector, 5 status LEDs |
| Dimensions (L x W x H) | Approx. 23 cm x 10 cm x 4 cm |
| Weight | Approx. 0.35 kg |
| Energy Storage | None (no battery or capacitor) |
| Operating Temperature | 0°C to 60°C |
Detailed Technical Analysis
The Siemens 6GK1143-0TB00 manages PROFIBUS DP communication independently from your CPU. This offloading reduces the main processor’s workload significantly. The module supports transmission rates from 9.6 kbit/s up to 1.5 Mbit/s. It automatically detects the baud rate during network startup.
Now let us examine its data handling capacity. The Siemens 6GK1143-0TB00 exchanges up to 32 bytes per slave device. It can manage 32 slaves on a single network segment. The total data volume reaches 1 kilobyte for inputs and another kilobyte for outputs. This capacity suits most medium-sized distributed I/O networks.
The module features five front-panel status LEDs. These indicators show power, bus activity, data exchange, and error conditions. The Siemens 6GK1143-0TB00 contains no batteries or capacitors at all. Therefore, you never need to perform any energy storage maintenance on this unit.
Installation and Network Configuration
You mount the Siemens 6GK1143-0TB00 into any standard S5 rack slot. Connect the PROFIBUS cable to the 9-pin D-sub connector. Use shielded twisted-pair cable with proper termination at both ends. The module requires an external 24V DC power supply for operation.
For network configuration, you need a programming tool to set slave parameters. The Siemens 6GK1143-0TB00 stores its configuration in internal RAM. This data remains valid only while the module has power. Consequently, you must reload configuration after a complete power cycle.
Practical Applications
Engineers use this module for connecting distributed I/O stations. For example, you can link ET 200 remote racks to an S5 CPU. The Siemens 6GK1143-0TB00 also connects drives, HMIs, and other PROFIBUS devices. It works perfectly with S5-115U, S5-135U, and S5-155U systems.
Summary
To conclude, the Siemens 6GK1143-0TB00 provides PROFIBUS DP master connectivity. It supports 1.5 Mbit/s transmission and weighs only 0.35 kilograms. Choose this communication processor for reliable fieldbus integration with legacy S5 systems.