Siemens 6ES5721-0BC50 SIMATIC S5 Plug-In Cable

This plug-in cable connects SIMATIC S5 programming devices to CPU modules. It transfers program data and diagnostic information between devices. Therefore, this accessory simplifies field maintenance and program uploads.

Physical Dimensions and Weight Specifications

The Siemens 6ES5721-0BC50 features a flexible PVC outer jacket for daily use. Its total length reaches 3 meters for comfortable operator positioning. The cable diameter measures approximately 6 mm for easy routing. Consequently, technicians can coil this cable without kinking or damaging internal wires.

Interface Types and Connector Details

The Siemens 6ES5721-0BC50 uses a 15-pin D-sub connector at the CPU end. A 9-pin D-sub connector attaches to the programming device side. Both connectors feature screw-lock mechanisms for secure attachment. Hence, vibration will not disconnect the cable during active programming sessions.

Component Count and Wire Configuration

This plug-in cable contains 9 individually insulated copper conductors. Each conductor uses 26 AWG stranded wire for flexibility. You will find an overall foil shield covering all signal wires. A drain wire connects the shield to ground at both connector housings.

Energy Handling and Signal Integrity

The Siemens 6ES5721-0BC50 carries only low-voltage signals, not power. It supports baud rates up to 115.2 kbps without data loss. The foil shield rejects electromagnetic interference from nearby motor cables. Therefore, signal integrity remains strong even in electrically noisy environments.

Operating Conditions and Durability

The cable withstands temperatures from -10°C to 60°C. Its PVC jacket resists oil, grease, and common industrial fluids. Users can connect and disconnect this cable over 1,000 times without failure. This durability suits factory floors with frequent programming device connections.