Description
1. Unboxing & Physical Snapshot (Dynamic List)
- Model & Brand: Siemens 6ES5375-1LR41 (SIMATIC S5 EEPROM Memory Submodule)
Standard Exchange Industry+ 1
- Physical Dimensions: Approximately 95mm x 60mm x 15mm (W x H x D)
Used Second Hand
- Estimated Shipping Weight: 0.05 kg (boxed with static-dissipative bubble cushioning)
- What’s in the Box: 1x 6ES5375-1LR41 memory submodule sealed inside a metal-out anti-static ESD shielding bag, write-protection tab insert, and original OEM manufacturer paperwork.
2. Product Introduction (Structure B: Architecture Hook)
Designed to slot directly into the dedicated memory bay of central processing units within the SIMATIC S5 rack architecture, this EEPROM module secures user program logic against unexpected voltage loss. The printed circuit card rests inside a compact molded plastic housing featuring precision guide ribs that prevent incorrect lateral insertion into the backplane connector socket.
(We always check the physical write-protection slider position before installation to prevent accidental data overwrites during runtime commissioning.) Maintaining exact dimensional tolerances ensures that the gold-plated pin header establishes low-resistance contact with the internal bus, preserving reliable data retrieval across demanding industrial cycles.
3. Core Technical Specifications
| Parameter | Value |
|---|---|
| Memory Capacity | 32 KB (32K×8 bit) |
| Memory Technology | EEPROM (Electrically Erasable Programmable Read-Only Memory) |
| Backplane Power Draw | Max 15 mA at 5V DC supply |
| Data Retention Time | Minimum 10 years without external power |
| Endurance / Write Cycles | 100,000 programming cycles minimum |
| Operating Temperature | 0°C to +60°C (natural convection cooling) |
| Storage Temperature | -40°C to +70°C |
| Connector Interface | 48-pin dual-in-line gold-plated pin header |
| Enclosure Material | High-impact molded synthetic polymer casing |
4. Global Compliance & Industry Certifications
Auditors require strict proof of hardware compliance to clear continuous process control systems for operation.
- Expected Certifications: CE Mark, UL/cUL Listed (Industrial Control Equipment), CSA certification, and VDE conformity.
- Compliance Significance: The UL listing guarantees that internal insulating materials and creepage distances meet rigorous North American fire safety mandates. (Class I Div 2 ratings verify that low-power memory cards pose zero risk of spark ignition within classified hazardous plant sectors.) Verify specific lot certifications with OEM documentation before closing out plant 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:
- Keep the module sealed tightly inside its original metal-out anti-static (ESD) shielding bag to block atmospheric moisture and static discharge from damaging sensitive floating-gate transistors.
- Maintain warehouse relative humidity strictly below 60% to prevent micro-corrosion on the 48-pin gold-plated connector array.
- Lay the unit flat on static-dissipative foam pads to absorb structural building vibrations and prevent physical bending of the terminal pins.
6. Physical Installation Prerequisites
Proper mechanical placement guarantees longevity and prevents localized overheating inside the cabinet enclosure.
- Convection Clearance: Ensure unimpeded airflow around the CPU memory bay by maintaining at least 30mm of clearance from neighboring cabling harnesses.
- Handling Protocol: Discharge static buildup via a grounded wrist strap before handling the exposed pin header to prevent electrostatic breakdown of memory cells.
7. Buyer’s FAQ (Logistics & Compliance Focus)
Q: Which Harmonized System (HS) code applies to international customs clearance for the 6ES5375-1LR41? A: This memory submodule typically clears under HS code 8542.32 (Electronic integrated circuits as memories), though customs brokers must verify categorization according to regional tariff schedules.
Q: Does this replacement module ship with pre-loaded plant user logic? A: New surplus inventory arrives blank or with factory test patterns; engineering teams must flash the specific compiled S5 program file using an authorized programming unit prior to deployment.
Q: How does the declared Country of Origin (COO) influence international shipping paperwork? A: The COO—typically Germany for this heritage manufacturing line—determines eligibility for preferential duty rates under international trade agreements, making a verified certificate of origin essential.
