Key Features

• Board Type: 6U high VME board, 0.787-inch width.
• Processor: TMS320C32, a 32-bit digital signal processor by Texas Instruments.
• Memory:
  • 32 Kbytes of dual-port memory (32-bit transmission).
  • 256k x 32 SRAM.
  • Flash memory: 512k x 8 (VCMIH B); 4096K x 8 (VCMIH C).
• Communication:
  • H1 Version: 10 Mbits/sec, one IONet 10Base2 Ethernet port (BNC connector).
  • H2 Version: Three IONet 10Base2 Ethernet ports (BNC connections), 10 Mbits/sec.
  • Serial Communication: 1 RS-232C serial port (D-style plug connector, 9600 baud rate).
• Frame Rate:
  • TMR: 20 ms, 80 ms application-dependent.
  • Simplex: 10 ms (100 Hz), 40 ms (25 Hz) for TMR.
• Diagnostics: Monitors internal power supply buses (+5 V, 12 V, 15 V, and 28 V) with customizable alarm settings (typically set at 3.5%, except for 28 V at 5.5%).

Technical Specifications

• LED Indicators:
  • Three IONet connectors with LEDs labeled "TX," "RX," and "CD."
  • Four additional LEDs labeled 1, 2, 4, and 8.
  • Run/Fail/Status indicators above a push-button reset switch.
• Connections: Four-port connections on the front faceplate.
• VME Bus Block Transfers: Supports block transfers with the specified communication rates.
• System Configurations:
  • Supports simplex and TMR (Triple Modular Redundancy) setups.
  • Capable of connecting multiple I/O racks to IONet.
• Power Supply Options: Various power supplies (5V, +/­ 12V, 3.3V, 48V) can be used, either locally or remotely.
• Fan-tray Unit: Monitors variables including voltages, currents, fan speed, and temperature.
• Field Bus Control: Some crates can be controlled via a field bus (CAN).