RFL Electronics GARD 8000 - Table 8-9. Option Settings

System Logic
GARD 8000 SYS RFL Electronics
March 26, 2008 8-16 973.334.3100
8.4.3 OPTION SETTINGS
There are 5 different options for each function on the TPS. The following settings are available to the
user. In the following table, N can equal any function from 1 to 8.
Table 8-9. Option Settings
System Option Setting
Default
Description
Function N Start 1 Polarity
Normal
This sets the polarity of the start 1 input to normal or
inverted
Function N Start 2 Polarity
Normal
This sets the polarity of the start 2 input to normal or
inverted
Function N Stop 1 Polarity
Normal
This sets the polarity of the stop input to normal or inverted
Function N Start And / Or
Or
This sets whether the two start inputs are ANDed or Ored
Function N Mode
Normal
This sets whether DCB mode is enabled or not
Receive N TPS Channel 1 or 2
Channel 1
This sets which channel’s receive output is used
Receive N Output polarity
Normal
This sets the polarity of the receive output to normal or
inverted
8.4.4 TIMERS
The default logic has a series of timers that can be adjusted by the user. All of the timers are set in 1/4
ms increments up to a maximum value of 32.767 seconds. In the following table, N can equal any
function from 1 to 8 and X refers to TPS channel 1 or 2.
Table 8-10. Default Logic Timers
System Timer
Default
Description
Function N Transmit Command
Extend
1 ms
This sets the length of time the function is transmitted after the
input goes away
Function N Transmit Time delay
1 ms
This sets the length of time before an input causes a trip to be
sent
Receive N Pre-Trip Time delay
1 ms
This sets the length of time a trip function must be received
before it is recognized
Receive N Trip Hold Time delay
1 ms
This sets the length of time a trip output is held active after the
received trip goes away
Channel X Guard Before Trip Delay
10 ms
This sets the length of time the channel must be good before
tripping is enabled
Channel X Loss of Guard Delay
20 ms
This sets the length of time the channel can be bad before
tripping is disabled
Channel X Unblock Security Timer
20 ms
This sets the length of time from when the channel goes bad
until the unblock trips become active.
Channel X Unblock Trip Window
170 ms
This sets the length of time the unblock trips are held active
from the start of the unblock security timer. (effectively 150 m
in the default)