Technical Overview of the Bus Terminal
The Siemens 8SX8503-0AB01 functions as a bus terminal for the SINUMERIK CNC control family. This component provides a physical connection point for the system’s data bus. It enables reliable signal distribution to connected modules and devices. The design ensures secure electrical contacts in industrial environments.
Key Technical Specifications
This section lists the precise parameters for the Siemens 8SX8503-0AB01 bus terminal. Use these figures when planning your SINUMERIK system layout.
| Parameter | Specification |
|---|---|
| Part Number | 8SX8503-0AB01 |
| Type | Bus Terminal |
| Product Family | SINUMERIK |
| Connection Type | Screw-type terminals |
| Number of Positions | 16 terminals |
| Voltage Rating | 250V AC / DC |
| Current Rating | 10 A per terminal |
| Wire Gauge | 0.5 – 2.5 mm² |
| Dimensions (W x H x D) | Approx. 180 x 40 x 25 mm |
| Weight | Approx. 0.15 kg |
| Compatibility | SINUMERIK 810, 820, and 850 systems |
Application and System Integration
This bus terminal connects directly to the SINUMERIK backplane bus. It distributes power and data signals to multiple I/O modules in the rack. The Siemens 8SX8503-0AB01 provides secure screw connections for field wiring. Each terminal position accommodates standard industrial cable gauges. Consequently, installation becomes straightforward for system integrators.
Reliability and Performance Characteristics
The screw-type terminals deliver a reliable connection that resists vibration. This design prevents signal loss in machine shop conditions. The compact size allows high-density mounting in control cabinets. Engineers trust the Siemens 8SX8503-0AB01 for consistent signal distribution in CNC applications.
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