Description
1. Unboxing & Physical Snapshot
- Model & Brand: GE Fanuc (Series 90-70 PLC System) — 7-Slot VME Modular Rack / Chassis, Part Number IC697CHS770E (Revision E variant).
- Physical Dimensions: Standard 19-inch rack-mount industrial chassis profile (approx. 483 mm x 222 mm x 200 mm [19 x 8.75 x 7.87 inches]).
- Estimated Shipping Weight: 4.80 kg (Including robust dual-wall packaging, dense protective foam inserts, and rack mounting hardware kit).
- What’s in the Box: IC697CHS770E 7-slot modular backplane chassis featuring integrated VME bus data paths, power supply mounting slot, ground studs, and factory conformity documentation. (Note: The plug-in power supply module, CPU, and I/O cards are ordered separately).
2. Product Introduction
Engineered specifically for heavy industrial automation environments, this 7-slot chassis forms the physical and electrical backbone for GE Fanuc Series 90-70 programmable logic controller (PLC) systems.
Mounted directly into control room panels or marshalling cabinets, the backplane integrates high-speed VME bus architecture to distribute power and coordinate deterministic data exchange between the CPU and modular I/O cards. (Plant control engineers rely on this robust Series 90-70 rack architecture to sustain legacy continuous process applications requiring high-capacity backplane throughput.)
3. Core Technical Specifications
| Parameter | Value |
| System Family | GE Fanuc Series 90-70 PLC Architecture |
| Chassis Type | 7-Slot Modular VME Backplane Rack |
| Slot Configuration | Dedicated power supply slot plus 7 general-purpose VME card slots |
| Bus Architecture | High-speed VME bus for inter-module communication and power distribution |
| Mounting Style | Standard 19-inch industrial rack-mount or panel-mount configuration |
| Operating Temperature | 0°C to +60°C (+32°F to +140°F) control cabinet environment |
| Relative Humidity | 5% to 95% non-condensing operational limit |
| Enclosure Protection | IP20 base chassis housing rating |
4. Global Compliance & Industry Certifications
Auditors and safety compliance officers overseeing legacy industrial automation networks demand rigorous documentation standards for control chassis hardware.
- Expected Certifications: CE Mark, UL/cUL Listed industrial control equipment compliance, and compliance with major electrical safety standards for heavy industrial environments.
- Safety Relevance: Robust chassis grounding design and backplane isolation prevent electrical common-mode noise and ground loops from disrupting critical PLC CPU execution loops.
- Audit Directive: Verify specific lot certifications with OEM. Manufacturing revision letters and backplane batch codes must align precisely with the plant’s hardware lifecycle management database.
5. Long-Term Storage & Asset Preservation Guide
Legacy PLC backplane racks kept in warehouse spare parts inventory degrade silently if storage protocols are neglected.
- ESD Protection Integrity: Keep the backplane contacts and VME connector pins protected from electrostatic discharge and airborne contamination by storing the chassis in anti-static protective wrapping.
- Climate Management: Maintain warehouse storage relative humidity strictly below 60% non-condensing to prevent micro-oxidation on gold-plated backplane connector pins and grounding studs.
- Connector Pin Care: Avoid stacking heavy objects on top of unboxed chassis frames to prevent physical bending of the delicate internal VME connector pins.
6. Physical Installation Prerequisites
Proper mechanical mounting and strict grounding discipline are mandatory to ensure structural stability and electrical noise immunity.
- Rack Clearance: Mount the 19-inch chassis securely into a heavy-duty industrial cabinet, ensuring at least 100 mm of vertical space above and below the rack for convective cooling airflow.
- Grounding Continuity: Secure the chassis earth-ground stud directly to the main cabinet ground bus using heavy-gauge copper braid to maintain high-frequency noise immunity and safety bonding.
- Slot Population Order: Install the system power supply module into its designated leftmost slot, followed by the CPU and high-density I/O modules, verifying firm backplane engagement across all card guides.
7. Buyer’s FAQ (Logistics & Compliance Focus)
Q: What Harmonized System (HS) Tariff Code applies to global shipments of this PLC chassis? A: Industrial process control system chassis, racks, and backplanes typically clear under HS Code 8538.90 (Parts suitable for use solely or principally with the control apparatus of heading 8537). Confirm exact classifications with your customs broker.
Q: Does importing this legacy automation spare part require a Certificate of Origin (COO)? A: Yes. Securing an authentic Certificate of Origin from your procurement partner verifies manufacturing traceability and satisfies regional import compliance mandates.
Q: Are these replacement chassis supplied with pre-installed power supplies or CPUs? A: Units are supplied as standalone backplane rack assemblies. Maintenance teams must transfer existing power supplies, CPUs, and I/O modules into the new chassis slots during a hardware replacement window.
