Spectrum Controls 140 ACI 052 00sc - Manual (Page 42)

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Installation Instructions
32-Channel Analog Input Module
Quantum Series 140 ACI 052 00sc
The time stamp data is stored in eight registers. Each group of eight registers
contains the information for two channels. The format of the time stamp data
is shown below:
Time Stamp Event Data (Input Mode 10):
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3X+0 Chan N..: Data word
s s s s s s s s m m m m m m m m 3X+1 Chan N..: Time Stamp: Secs/ *SSC BCD.
h h h h h h h h n n n n n n n n 3X+2 Chan N..: Time Stamp: Hour/Min BCD.
M M M M M M M M d d d d d d d d 3X+3 Chan N..: Time Stamp: Month/Day BCD.
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3X+4 Chan N+1: Data word.
s s s s s s s s m m m m m m m m 3X+5 Chan N+1: Time Stamp: Secs/ *SSC BCD.
h h h h h h h h n n n n n n n n 3X+6 Chan N+1: Time Stamp: Hour/Min BCD.
M M M M M M M M d d d d d d d d 3X+7 Chan N+1: Time Stamp: Month/Day BCD.
* The Sub Seconds Count (SSC) field is not an even time period count such as seconds. Instead, it is a
counter which increments whenever an alarm occurs at the same Hour/Min/Sec setting the previous alarm.
This field insures unique time stamps for alarms detected within the same second.