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13.6.5 Shunt Inputs
A shunt group may consist of any number of inputs programmed as Immediate, Tamper, 24hr and Access
types. These must all be allocated in the same partition. NOTE: These will need to be programmed first.
A maximum of 13 shunt inputs can be programmed on the PCX 26/SMS and a maximum of 128 on the PCX
256 (i.e. half the number of inputs on the system).
The inputs in the shunt group/list will only activate after 10 seconds of the nominated shunt input. For
example, if input 1 is programmed as 'Shunt Input', and inputs 2 and 3 are programmed as "24hr", then once
input 1 has been opened, after 10 seconds inputs 2 and 3 become active.
Action
Shunt Input closed (shunted)
Shunted Input triggered
Shunt Input opened
(unshunted)
After 10 seconds
Shunt Input opened with an
active detector (attempting to
unshunt)
Active input clears
After 10 seconds
Shunted input triggered
(whilst not triggered)
V i s u a l K e y p a d P r o g r a m m i n g P r o c e d u r e
Change Inputs
Using the
and
INPUTS?'
Press the
key
Input
Select the input number you wish to program as the
shunt input. Press the
RINS871-3
Status
Inputs within the shunt list are
inactive
No response
-
Inputs in the shunt list are
active
-
-
Inputs in the shunt list are
active
Normal input response
C H A N G E I N P U T S
S h u n t I n p u t s
keys, scroll to 'CHANGE
key.
P C X S M S A N D P C X 2 5 6 S Y S T E M M A N U A L
Outputs
The 'Follow Input' PGM output
live
The 'Follow Input' PGM output
clears. The 'Shunt Fault' PGM
output is live for 10 seconds.
Indications off.
The 'Follow Input' PGM output
clears. The 'Shunt Fault' PGM
output pulses until the shunt is
reset or the input fault clears.
The 'Shunt Fault' PGM output
is live for 10 seconds.
Indications off.
(Note: depends upon the
status of the partition in which
the shunt is located).
Page: 55
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