News
IC693PWR321 Super Capacitor Aging & Program Loss Fix
Fix GE Fanuc 90-30 program loss. Learn battery, Flash config, and backplane causes beyond super capacitor aging.
GE Fanuc 90-30 Rack Expansion Error Cable Test
Diagnose Rack Expansion Errors in GE Fanuc 90-30 PLCs. Test IC693CBL302 cable pins and termination resistors. Step-by-step guide with practical insights.
IC693CBL301 Extension Cable: Safe I/O Bus Length Guide
Can you extend the IC693CBL301 safely? Learn the 15-meter limit, termination, and cable rules.
2026 Mid-Autumn Festival Holiday Notice: Closed Sept 25–27
We will be closed Sept 25–27, 2026 for the Mid-Autumn Festival. Emails will be answered during the holiday; all shipments resume Sept 28.
IC693PWR321 Battery Replacement Guide for Series 90-30 PLCs
IC693PWR321 battery replacement guide: location, voltage thresholds, 20-minute swap window, and PLC program retention tips.
GE Fanuc IC693CBL304 Replacement: Power Cycle for I/O Bus Fault
Learn why GE Fanuc IC693CBL304 replacement requires a power cycle to clear I/O bus faults. Step-by-step guide for Series 90-30 PLC recovery.