GE IS215VCMIH2CB VME Bus Master Controller Board

Overview

The GE IS215VCMIH2CB is a VME Communications Interface Card designed for the Mark VI turbine control system. It serves as the bus master controller, enabling communication between the controller, I/O boards, and the IONet system control network. The card also provides voltage monitoring, ground fault detection, and diagnostic functions to ensure reliable turbine operation.

Technical Specifications

• Product Type: VME Bus Master Controller Board
• Board Type: 6U High VME, 0.787 inches wide
• Processor Type: Texas Instruments TMS320C32, 32-bit DSP
• Memory: Dual-port memory
• Frame Rate: 20 ms at 50 Hz
• IONet Ports: Three 10Base2 with TX/RX/CD indicators
• Serial Port: RS-232C for diagnostics and configuration
• LED Indicators: Status, Fail, Run, and binary-coded (1, 2, 4, 8)
• Reset Control: Push-button manual reset switch
• Analog Output Current: 0–20 mA
• Voltage Monitoring: +5V, +12V, +15V, and +28V
• Alarm Thresholds: ±3.5% for +5V, +12V, +15V; ±5.5% for +28V
• Ground Fault Detection: Active monitoring of insulation failures and current paths
• Power Requirements: +5 V DC
• Operating Temperature: -30 °C to +65 °C
• System Compatibility: Simplex and TMR configurations