96
Programming—IFC-1010/2020 Programming
L1D1, L1D2, and L1D3 activate Z1. L1D4 activates Z2.
If Z1 activates, then L1M1 activates.
If Z2 activates, then L1M4 activates.
The equation AND(Z1 Z239) requires both Z1 and Z239 to be active for
an output. Because reverse zone 239 has a NOT operand, it is active as
long as L1D4 is inactive.
L1D1
RZON
Z240
L1D3
L1D2
L1M2
M5x0CJ
L1M1
M5x0CJ
Z1
L1M4
M5x0CJ
(Z1)
(Z1)
(Z1)
(Z2)
AND(Z1 Z239)
NOT(Z2)
OR(Z2)
comblog.cdr
(M5x0CJ)
(M5x0CJ)
Figure 82: Combination Logic
L1D1 activates L1M1 through Z1. L1D2 activates L1M2 through Z2.
L1D3 and L1D4 activate L1M4 through Z3. L1M3 activates when reverse
zone 240 is activated. Z240 activates when Z1, Z2, or Z3 is activated.
Notification Appliance L1M3
serves as the General Alarm device. It is
activated whenever an alarm occurs on any initiating device in the system,
due to the fact that all initiating devices activate a software zone, and
activation of any zone activates software Zone Z240.
Example 1:
Combinational
Logic
Example 2:
General Alarm
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