Ronan X501NET - Manual (Page 35)

Chapter 2 - Interface
X501NET System Configuration Manual © 2008 Ronan Engineering Company 29
If an entry in the table specifies “0” or “Equal to Alarm”, then there is no choice of this filter
parameter. The parameter is automatically set to 0 or the same value as selected for the alarm
time constant, respectively.
2.8.2.10.3.1 Low Time Constants Group
The low time constant group allows a choice of times between 1 ms and 255 ms in 1 ms steps.
When a time constant is specified in the table above as “0 or Low”, the range of choices allowed
is 0 ms to 255 ms in 1 ms steps.
2.8.2.10.3.2 Medium Time Constants Group
The medium time group allows the following choices:
Selected Value Time in Milliseconds Approx. Time in Seconds
256 ms 256 256
512 ms 512 512
1K ms 1024 1.024
2K ms 2048 2.048
4K ms 4096 4.096
8K ms 8192 8.192
16K ms 16384 16.384
32K ms 32768 32.768
2.8.2.10.3.3 High Time Constants Group
The high time group allows the following choices:
Selected Value Time in Milliseconds Approx. Time in Minutes
64K ms (1.09 min) 65,536 1.09
128K ms (2.18 min) 131,072 2.18
256K ms (4.37 min) 262,144 4.37
512K ms (8.74 min) 524,288 8.74
1M ms (17.48 min) 1,048,576 17.48
2M ms (34.95 min) 2,097,152 34.95
4M ms (69.90 min) 4,194,304 69.90
8M ms (139.81 min) 8,388,608 139.81