This programming cable establishes a direct link between SIMATIC S5 central processing units and programming devices. It enables efficient program upload, download, and online monitoring functions. We manufactured the Siemens 6ES5721-0BB50 for reliable field use in automation maintenance. This cable supports the RS-232 serial communication protocol. It provides secure data transfer between controllers and handheld programmers. Therefore, your engineering team can perform configuration tasks without communication interruptions.
Physical Configuration and Material Composition
The Siemens 6ES5721-0BB50 features a flexible and durable construction for frequent handling. The cable measures 5.0 meters in length for convenient workspace flexibility. It weighs approximately 0.25 kilograms for easy transportation and storage. This cable utilizes high-quality copper conductors for reliable signal transmission. The insulation uses PVC material to protect against wear and abrasion. The connector housings are robust and shield against electromagnetic interference.
Connector Specifications and Interface Details
This programming cable provides one 15-pin D-sub connector at the SIMATIC S5 side. It terminates with a 9-pin D-sub connector at the programming device side. The Siemens 6ES5721-0BB50 ensures proper pin-to-pin mapping for seamless communication. It accommodates data rates up to 9600 baud for reliable program transfer. The cable supports both online and offline programming modes effectively. It includes ferrite cores on each end to suppress high-frequency noise. Consequently, this maintains signal integrity during extended programming sessions.
Detailed Technical Specifications and Interface Details
We outline the cable’s comprehensive technical parameters and physical attributes below.
| Specification | Detail |
|---|---|
| Part Number | Siemens 6ES5721-0BB50 |
| Product Category | PLC Programming Cable |
| Cable Length | 5.0 meters (196.85 inches) |
| Cable Weight | Approximately 0.25 kg (0.55 lbs) |
| Connector Type 1 | 15-pin D-sub (male), for SIMATIC S5 CPU |
| Connector Type 2 | 9-pin D-sub (female), for programming device |
| Connector Finish | Gold-plated contacts |
| Connector Housing | Molded plastic with integral strain relief |
| Conductor Count | 9 conductors (fully populated) |
| Wire Gauge | 24 AWG stranded conductors |
| Cable Type | Shielded multi-conductor cable |
| Shielding | Braided copper shield with foil overlay |
| Insulation Material | PVC (polyvinyl chloride) |
| Ferrite Suppressors | Included on both cable ends |
| Operating Voltage | 30 VDC maximum |
| Current Rating | 500 mA per conductor maximum |
| Capacitance | 100 pF/m typical |
| Characteristic Impedance | 120 Ω nominal |
| Supported Protocol | RS-232 serial communication |
| Maximum Baud Rate | 9600 bps |
| Operating Temperature | -10°C to 60°C (14°F to 140°F) |
| Storage Temperature | -25°C to 70°C (-13°F to 158°F) |
| Applications | S5-90U, S5-95U, S5-100U, S5-115U, S5-135U, S5-155U |
| Compatibility | SIMATIC S5 CPUs with 15-pin programming port |
| Compliance | CE, RoHS |
Details
| Weight | 0.15 kg |
|---|---|
| Dimensions | 25 × 290 × 210 mm |
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