This plug-in cable provides a secure connection between SIMATIC S5 CPUs and remote peripheral devices. It enables reliable data transfer across the I/O bus for comprehensive system control. We engineered the Siemens 6ES5721-0BC00 for flexible integration within S5 automation architectures. This cable supports various interface modules and expansion configurations. It ensures consistent communication between controllers and field devices. Therefore, your automation network operates without signal degradation or data loss.
Physical Configuration and Material Composition
The Siemens 6ES5721-0BC00 features a robust construction with flexible multi-conductor wiring. The cable measures 2.0 meters in length for convenient equipment placement. It weighs approximately 0.18 kilograms for easy handling during installation. This cable incorporates copper conductors with tin-plated strands for reliable current flow. The outer jacket uses durable PVC to resist abrasion and chemicals. The connector housings feature molded construction for enhanced strain relief.
Connector Specifications and Electrical Characteristics
This plug-in cable offers a 15-pin D-sub connector on the CPU side. It provides a 25-pin D-sub connector on the peripheral device side. The Siemens 6ES5721-0BC00 maintains proper pin mapping for full signal compatibility. It employs gold-plated contacts to minimize contact resistance and oxidation. The cable includes overall foil shielding to reject electromagnetic interference. It maintains consistent impedance characteristics across the transmission path. Consequently, this ensures reliable data integrity in electrically noisy environments.
Detailed Technical Specifications and Interface Details
We outline the cable’s comprehensive technical parameters and physical attributes below.
| Specification | Detail |
|---|---|
| Part Number | Siemens 6ES5721-0BC00 |
| Product Category | SIMATIC S5 Plug-In Cable |
| Cable Length | 2.0 meters (78.74 inches) |
| Cable Weight | Approximately 0.18 kg (0.40 lbs) |
| Connector Type 1 | 15-pin D-sub (male), for CPU side |
| Connector Type 2 | 25-pin D-sub (male), for peripheral side |
| Connector Finish | Gold-plated contacts |
| Connector Housing | Molded plastic with integral strain relief |
| Conductor Count | 15 conductors (fully populated) |
| Wire Gauge | 26 AWG stranded conductors |
| Cable Type | Shielded multi-conductor cable |
| Shielding | Foil shield with tinned copper drain wire |
| Insulation Material | PVC (polyvinyl chloride) |
| Jacket Color | Gray |
| Operating Voltage | 125 VAC maximum |
| Current Rating | 500 mA per conductor maximum |
| Contact Resistance | < 30 mΩ |
| Insulation Resistance | > 100 MΩ at 500 VDC |
| Capacitance | 80 pF/m typical |
| Characteristic Impedance | 100 Ω nominal |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -25°C to 70°C (-13°F to 158°F) |
| Applications | S5-115U, S5-135U, S5-155U peripheral connections |
| Compatibility | SIMATIC S5 interface modules and I/O devices |
| Compliance | CE, RoHS |
Details
| Weight | 1.6 kg |
|---|---|
| Dimensions | 111 × 139 × 55 mm |
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