Chassis Configuration Settings
GARD 8000 SYS RFL Electronics
April 1, 2012 7-49 973.334.3100
Channel 1 Settings Definitions (continued)
Ch1 Rx Alarm (-60-0 inc 1)
This is the Rx level that will cause an alarm. This is an alarm level that is typically set to a level where
the channel receiver is functioning normally, and is used as an early warning minor alarm to indicate
that a problem may be occurring.
Ch1 GBT Timer (0-1000 inc 0.25)
The channel 1 Guard Before Trip Timer creates a condition that requires the reception of a valid guard
signal for a period of time, before a trip can be recognized as valid. This timer can be set from 0ms to
1000ms in 0.25ms increments. It is typically set to the default value of 100ms.
Ch1 TAG Timer (0-1000 inc 0.25)
The channel 1 Trip After Guard Timer creates a condition that requires a trip to occur within a
specified period of time after the loss of a guard state. This timer can be set from 0ms to 1000ms in
0.25ms increments. It is typically set to the default value of 40ms.
Ch1 PRETRIP1 Attack (0-100 inc 0.25)*
A security timer that requires the trip detector to be active for a period of time before the trip is
accepted as valid. It is used to evaluate the condition of a trip signal, and it functions as a precaution
against noise-induced false trips. PRETRIP1 attack time and PRETRIP2 attack time are added together
to provide the total pre-trip time.
Ch1 PRETRIP1 Decay (0-100 inc 0.25)*
A security timer
Ch1 PRETRIP2 Attack (0-100 inc 0.25)*
A security timer
Ch1 PRETRIP2 Decay (0-200 inc 0.25)*
A security timer
Ch1 BLOCK Attack (0-1000 inc 0.25)*
A long term security timer
Ch1 BLOCK Decay (0-1000 inc 0.25)*
A long term security timer
*See note on next page.
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