Arbiter Systems 1084A, Инструкции по эксплуатации

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C.6 Option 06: Parallel BCD Output (1 millisecond Resolution) 113
C.6 Option 06: Parallel BCD Output (1 millisecond Resolution)
C.6.1 General Description
Option 06 for the Model 1084A/B/C expands the capabilities of the instrument to include:
•
Either of the following:
– Time-of-year output in Binary-Coded Decimal (BCD) format, with resolution down to
1 millisecond;
– Parallel Data output, with up to 48 bits that can be custom-configured at the factory
for specific applications;
•
A continuous 1 pulse-per-second (1 PPS) output, with the rising edge of a 10 millisecond-wide
pulse synchronous to the rising edge of 1 PPS/GPS;
•
A continuous 1,000 PPS (1 kPPS) square wave output, with rising edges synchronous to the
rising edge of 1 PPS/GPS;
•
Four pins of the output connector that can be configured with combinations* of the following:
– Up to four digital signal outputs, the functions of which can be selected individually
from 18 choices.
– Up to two analog signal outputs, the functions of which can be selected individually
from two choices.
*Note: Since these auxiliary functions must share four connector pins, certain limitations will
apply when selecting combinations:
1. Enabling any one (or more) of the digital signal outputs precludes four bits from the parallel
data output, if used;
2. Each analog signal output used precludes one of the digital signal outputs; if two analog signal
outputs are employed, only two digital signal outputs are possible. Also, each analog signal
output displaces one bit from the parallel data interface, if used;