Expansion Cable Assemblies | GE Series 90-30 IC693CBL327B
Manufacturer: GE Fanuc
-
Part Number: IC693CBL327B
Condition：New with Original Package
Product Type: Cable Assemblies
-
Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE Fanuc IC693CBL327B Series 90-30 Expansion Cable
The GE Fanuc IC693CBL327B, also cataloged as the IC693CBL327 PLC Expansion Cable Assembly, operates as a dedicated hardware component for interconnecting baseplates and enabling remote I/O rack communication within GE Fanuc Series 90-30 platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IC693CBL327B |
| Brand | GE / GE Fanuc |
| Origin | USA |
| Weight | 0.35 kg (0.77 lbs) |
| Dimensions | 0.6 m (2 feet) cable length |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | Passive wiring assembly (0 W internal consumption) |
| Cable Construction | High-density shielded multi-conductor assembly |
| Connector Type | Dual factory-molded 25-pin D-sub connectors with strain relief |
| Shielding | Overall braided foil shielding with internal ground drain wire |
| Signal Compatibility | GE Fanuc Series 90-30 parallel expansion bus signals |
| Physical Keys | Integrated physical keying for orientation validation |
Deterministic Expansion Bus Connectivity & High-Density I/O Scaling
The cable assembly transmits high-speed parallel bus signals between central CPU baseplates and secondary expansion racks, supporting seamless I/O density scaling across multi-rack control topologies. Engineered with high-coverage overall foil/braid shielding, the assembly suppresses electro-magnetic interference (EMI) and radio-frequency noise, maintaining clean signal transitions and maintaining bus frame synchronization across backplane bus communication velocity Licences. Factory-molded 25-pin D-sub connectors enforce precise physical pin alignment, eliminating signal degradation and transient contact bounce. The assembly operates without firmware flash compatibility overhead, serving as a direct physical layer extension that transparently routes data frames between backplane logic ICs.
Frequently Asked Questions
Q: Can engineers daisy-chain multiple IC693CBL327B cables together to reach distant expansion racks?
A: No, daisy-chaining individual cables using gender changers or inline adapters introduces impedance mismatches and propagation delays; specific longer cable part numbers must be selected for extended runs.
Q: Is hot-unplugging this cable permitted while the Series 90-30 PLC CPU is actively scanning I/O?
A: Removing the expansion cable during active rack operation disrupts backplane bus communication, resulting in an immediate CPU parity fault and system shutdown.
Q: How is chassis earth continuity maintained between connected expansion baseplates through this cable?
A: The integrated overall cable braid terminates directly into the metal connector backshells, grounding the shield to the baseplate frame ground when the mounting screws are fully tightened.
Field Installation Guidelines
- Power Isolation Safeguards: Completely de-energize main supply power to both the primary CPU baseplate and all secondary expansion baseplates before connecting or disconnecting cable assemblies.
- Connector Inspection & Alignment: Inspect the 25-pin D-sub male and female interfaces for bent pins or debris, aligning the molded connector shell with the expansion port on the baseplate right-hand end cover.
- Mechanical Securing: Fully seat the connector into the baseplate expansion receptacle and firmly hand-tighten both captive thumbscrews to secure the physical connection and establish shield ground continuity.
- Bend Radius & Strain Relief: Maintain a minimum bend radius of 75 mm along the cable run to prevent conductor stress, ensuring the cable strain-relief molding absorbs any mechanical tension.
- Noise Isolation Routing: Lay the expansion cable in low-voltage signal raceways, keeping a minimum clearance of 30 cm from 230 VAC/480 VAC power lines, variable frequency drive outputs, and heavy motor leads.