Ladder Diagram for Desklib

QUESTION ONE
The ladder diagram is as below
1.
When the button As accept by IPI pressed , the plant and Alaram condition by the OPO As
glow by Alaram As be stop. No connection (NC) has been put for Q1 and Q2 (Collins, 2014).

2.
If plant of drop will be alarm system ( alarm off ) before the pressed accept ( accepted off)
(Scott, 2013).
3.
If accepted by ON and healthy plant by ( alarm off) green lights off (Patel, 2011).
QUESTION TWO
Given the ladder diagram, inverting the signal causes green light to glow showing spaces
available and direct interpretation glows red light showing there is no parking space left
(Anderson, 2015).
OP1 signal produced after ANDing the IPS server signal and the output from large AND gate
(Jack, 2010).
The AND gate collects input from all siox parking spaces sensor and produces when completely
filled else it produces 0 (Rohner, 2016).
The OPO signal produced after ANDing the IPO sensor signal and the output from large AND
gate (Tiegelkamp, 2013).

QUESTION THREE
If we assume that elevator is at level one, then it is possible to have a program written as in the
diagram above (Goudima, 2017).