GE VMIVME-1111 64-bit High Voltage Digital Input Board with Built-in Tests

Functions

- 64-bit differential or high voltage digital inputs

- Each group of 32 inputs can be monitored by jumper selection:

Contact closure, voltage source, current sink, or differential signal.

- Open provides logic zero or (jumper selectable) logic one.

- Input filter options

- On-board built-in test logic

- Front panel with fault LEDs

- Front panel with fault LEDs for fault detection and isolation

- User selectable input voltage thresholds (1.25 to 66V)

RS422/RS485-compatible differential line receiver provides ± 7V noise immunity

- 8-, 16-, or 32-bit data transmission

- Dual Eurocard form factor

- High-reliability DIN-type I/O connectors

- Compatible with GE Fanuc Embedded Systems' family of intelligent I/O controllers (901x and 906x series)

- Boot Replacement Option

- Software compatible with VMIVME-1110

Functional Features

Compatibility: Compatible with VMEbus specification. Double height form factor.

Input Connector Type: Dual 64-pin connector - DIN 41612

Input/Output Organization Eight input ports; eight bits wide. Addressable to any address within the short-circuit monitor and/or short-circuit unprivileged I/O map. Control and Status Register (CSR) addresses are independently selectable.

Addressing Scheme: Each of the eight ports can be addressed on 8-, 16-, or 32-bit boundaries. One CSR can be addressed on 8-bit boundaries. 13 jumpers provide unlimited short data I/O address mapping options.

Differential Signal Input Characteristics: Common Mode Input Voltage Range: -30 to +66 V. Common Mode Input Voltage Range: -7 to +12 V. Input Sensitivity ± 100 mV. High Input Impedance (33 kΩ).

Single-Ended Signal Input Characteristics: High input impedance (33kΩ). Threshold accuracy of 1% (typical) over the entire 66V range.

Signal Conditioning Input Filter Terminator Option: The board can be ordered with an input signal filter circuit.

For differential inputs, the circuit consists of a series resistor and capacitor connected across the signal input. For single-ended inputs, the circuit provides an input dither filter with a user-selectable time constant.

Built-in Test: The board is designed with internal self-test logic to test all active components.

Special output registers are provided to generate 16-bit data words for worst-case bit patterns to be used as health tests during real-time or off-line operation.

A special test mode bit in the CSR enables the output test register to drive a differential receiver.

The front panel fault LED illuminates at power-up and can be programmed to go out after successful completion of user-defined diagnostics.

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