This connecting cable provides a dependable link between SIMATIC S5 central controllers and remote expansion units. It supports system scalability by enabling additional I/O module connections. We manufactured the Siemens 6ES5735-1BD20 specifically for the S5-115U and S5-135U automation platforms. This cable transmits both power and data signals simultaneously. It ensures proper synchronization between the CPU and distributed I/O racks. Therefore, your automation system can expand without compromising communication reliability.
Physical Configuration and Material Specifications
The Siemens 6ES5735-1BD20 features a robust construction suitable for cabinet installations. The cable measures 1.0 meter in length for connecting adjacent rack assemblies. It weighs approximately 0.18 kilograms for straightforward handling during installation. This cable uses 34 AWG stranded conductors within a shielded jacket. The insulation employs durable PVC material for mechanical and chemical protection. The connector housings are molded to provide excellent strain relief and durability.
Connector Interface and Electrical Characteristics
This connecting cable features a 20-pin flat ribbon connector at both ends. It provides a complete parallel bus interface between rack components. The Siemens 6ES5735-1BD20 supports all I/O bus signals and power distribution. It employs gold-plated contacts for reliable low-resistance electrical connections. The cable maintains consistent characteristic impedance for proper signal termination. It incorporates a foil shield with drain wire for effective noise suppression. Consequently, this ensures clean signal transmission across the expansion interface.
Detailed Technical Specifications and Interface Details
We present the cable’s comprehensive technical parameters and physical attributes below.
| Specification | Detail |
|---|---|
| Part Number | Siemens 6ES5735-1BD20 |
| Product Category | SIMATIC S5 Connecting Cable |
| Cable Length | 1.0 meter (39.37 inches) |
| Cable Weight | Approximately 0.18 kg (0.40 lbs) |
| Connector Type | 20-pin flat ribbon connector (IDC) |
| Connector Configuration | Female to female |
| Connector Pitch | 2.54 mm (0.100 inches) |
| Connector Finish | Gold-plated contacts |
| Connector Housing | Molded plastic with strain relief |
| Conductor Count | 20 conductors |
| Wire Gauge | 34 AWG stranded conductors |
| Cable Type | Flat ribbon cable with IDC connectors |
| Shielding | Foil shield with integrated drain wire |
| Insulation Material | PVC (polyvinyl chloride) |
| Operating Voltage | 30 VDC maximum |
| Current Rating | 200 mA per conductor |
| Contact Resistance | < 30 mΩ |
| Insulation Resistance | > 100 MΩ at 500 VDC |
| Capacitance | 65 pF/m typical |
| Characteristic Impedance | 100 Ω nominal |
| Propagation Delay | 5 ns/m typical |
| 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 | S5-115U, S5-135U expansion rack connections |
| Compatibility | SIMATIC S5 I/O bus and expansion interfaces |
| Compliance | CE, RoHS |
Details
| Weight | 1.6 kg |
|---|---|
| Dimensions | 111 × 139 × 55 mm |
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