Time and status information is available to the VME computer bus in five packed, 16-bit, BCD words. On-board DIP switches select the memory address space where the board resides.

Multiple Timing Options
Two independent time-freeze registers provide time on request from the VME bus, or in response to an externally generated pulse. The rate generator can be configured to output a pulse and produce interrupts at selected intervals. Four independently programmable interrupts are available and each has software-selectable priority. The dual time compare feature can generate output pulses and interrupts with microsecond resolution. In the stand-alone mode, generator time is preset and started and stopped under software control.

Access to Remote Equipment
The IRIG-B code generator provides the capability to generate and output both 1 kHz amplitude modulated IRIG-B and IRIG-B using RS-422 levels. This feature enables the VME-SG 2 to supply timing to remote displays, tape recorders, and other code equipment in locations where IRIG-B is not otherwise available.

Front Panel Display Option
The front panel display option provides time, date, position, and operational status. The display consists of four lines of high-intensity LED alphanumeric characters and a pushbutton select switch. This option requires a 2-wide card.

Excellent Time Transfer Accuracy
If a long cable run is required between a VME master and slave, the RS-422 IRIG-B synchronized generator mode provides excellent time transfer accuracy.

• Synchronize to external IRIG or use as standalone generator
• BCD time, microseconds through years
• IRIG-B and 1 PPS outputs
• Time compare output
• External event input

Data Sheets
VME-SG 2 (PDF)

Product Manuals
VME-SG 2 Product Manual (PDF)

Additional Information
VME Customer List

VME Card Feature Comparison (PDF)