The Pentair/APW Electronic Solutions VMEbus Power Cage II Mainframe is a fully integrated enclosure that combines card cage, VMEXCEL backplane, power supply, cooling, and pre-installed wiring into a single rack-mountable package. Designed for VMEbus system deployment in industrial and embedded applications, it eliminates integration complexity by delivering a field-ready mainframe that supports immediate board installation. The system scales from 5 to 21 VME slots and accommodates 6U or 9U card heights with depths of 160 mm or 400 mm.
Technical Specifications
• Backplane: APW Electronic Solutions VMEXCEL with automatic daisy chaining; compliant with ANSI/VITA 1-1994 and VME64 Extended ANSI/VITA 1.1-1997
• Slot Configuration: 5, 12, or 21 VME slots (J1 and J2 planes); J2 supports VMEbus extension
• Card Cage: Triple fan cooling; supports 6U or 9U heights; card depths of 160 mm or 400 mm
• Power Supply: Available in 500 W, 750 W, or 1000 W ratings; 500 W option delivers 75 A at +5V
• Power Connections: M4 screw terminals (1.3 Nm fastening torque) rated to 30 A per power bug; +5V Standby via Faston terminal
• Termination: Configurable jumper-selectable passive or active termination; active mode reduces backplane power consumption
• Form Factor: Adds approximately 3.5 inches (2U) above card cage height; 21-slot 6U configuration occupies 14 inches of rack space; 9U configuration occupies 21 inches
– Key Features
• Electronic automatic daisy chaining for bus grant and IACK signal distribution
• Integrated triple fan cooling with air baffle standard on 21-slot models
• Pre-wired J1 and J2 connector architecture ready for board installation
• Optional peripheral mounting assembly for 12-slot backplanes; supports up to four 5.25″ half-height or full-height disk drives
– Compatibility & Integration
Fully compliant with VMEbus standards and integrates APW VMEXCEL backplane technology. Supports both J1 and J2 connectivity planes for extended bus applications.
