Description
1. Unboxing & Physical Snapshot (Dynamic List)
- Model & Brand: Siemens 6ES5535-3LB12 (SIMATIC S5 CP 535 Communications Processor)
- Physical Dimensions: Approximately 254mm x 203mm x 25mm (W x H x D)
- Estimated Shipping Weight: 0.4 kg (boxed with molded static-dissipative foam cushioning)
- What’s in the Box: 1x 6ES5535-3LB12 communication module sealed inside an original metal-out anti-static ESD shielding bag, bus connector pins, and original OEM compliance documentation.
2. Product Introduction (Structure B: Architecture Hook)
Mounting directly into the central or expansion rack backplane of SIMATIC S5 automation systems, this industrial communications processor bridges plant-level control logic with high-speed local area networks. The printed circuit card slides securely along precision guide rails before the multi-pin edge connectors lock firmly into the backplane bus sockets.
(Chúng tôi always inspect the communication transceiver chips and bus connector pins for oxidation prior to rack insertion.) Maintaining strict transmission impedance parameters ensures that high-frequency Ethernet data streams travel across the SINEC H1 network without signal reflection or packet loss.
3. Core Technical Specifications
| Parameter | Value |
| Module Type | CP 535 Communications Processor (SINEC H1 Industrial Ethernet) |
| Backplane Power Draw | Max 1.8 A at 5V DC supply |
| Power Dissipation | 8.5 W under operating load |
| Communication Interface | Industrial Ethernet / SINEC H1 transceiver port |
| Isolation Voltage | 500V AC bus-to-backplane galvanic isolation |
| Operating Temperature | 0°C to +55°C (natural convection cooling) |
| Storage Temperature | -40°C to +70°C |
| Diagnostic Indicators | Front-panel LED communication status and error array |
| Mounting Standard | SIMATIC S5 subrack backplane slot with locking levers |
4. Global Compliance & Industry Certifications
Auditors demand verifiable documentation confirming that legacy system components comply with rigorous electrical safety mandates before plants resume operation.
- Expected Certifications: CE Mark, UL/cUL Listed (Industrial Control Equipment), CSA certification, and VDE conformity.
- Compliance Significance: UL listings verify that internal electrical spacing and insulating materials prevent dielectric breakdown under transient surge conditions. (Class I Div 2 ratings ensure zero risk of spark ignition within classified hazardous plant environments.) Verify specific lot certifications with OEM documentation before closing out compliance audits.
5. Long-Term Storage & Asset Preservation Guide
Warehouse storage destroys unprotected electronics if humidity and electrostatic hazards go unmanaged. Keep this asset safe:
- Store the processor module sealed tightly inside its original metal-out anti-static (ESD) shielding bag to block atmospheric moisture and static discharge.
- Maintain warehouse relative humidity strictly below 60% to prevent micro-corrosion on the high-frequency connector pins and printed circuit traces.
- Lay the unit flat on static-dissipative foam pads to absorb structural building vibrations and prevent micro-fractures in the motherboard substrate.
6. Physical Installation Prerequisites
Proper mechanical placement guarantees longevity and prevents localized overheating inside the cabinet enclosure.
- Convection Clearance: Leave at least 50mm of open space above and below the card chassis to permit proper vertical airflow across the heat-dissipating components.
- Grounding Protocol: Bond the integrated module shielding frame directly to the cabinet backplane grounding rail using star lock washers to suppress electromagnetic interference (EMI).
7. Buyer’s FAQ (Logistics & Compliance Focus)
Q: Which Harmonized System (HS) code applies to international customs clearance for the 6ES5535-3LB12?
A: This communication processor typically clears under HS code 8537.10 or 8538.90, but importers should confirm final classification with their broker according to local destination rules.
Q: Does this surplus unit come with pre-loaded firmware configuration?
A: New surplus hardware ships with standard factory firmware burned onto onboard EPROM/EEPROM chips; check your system engineering software version to verify network compatibility.
Q: How does the declared Country of Origin (COO) influence international shipping paperwork?
A: The COO—typically Germany for this heritage manufacturing line—governs preferential duty rates under international trade agreements, making a verified certificate of origin essential for seamless customs processing.




