Test 2 Flashcards
Timer On
TON
Timer Off
TOF
Retentive Timer
RTO
Counter Up
CTU
Counter Down
CTD
Move
MOV
Masked Move
MVM
Equal To
EQL
Greater Than or Equal to
GEQ
Greater Than
GRT
Less Than or Equal To
LEQ
Less Than
LES
Not Equal
NEQ
Compare
CMP
Limit Test
LIM
Multiply
MUL
Divide
DIV
Compute
CPT
Clear
CLR
Square Root
SQR
X to the power of Y
XPY
Network
Group of connected logical elements used to perform a specific function
One rung
Power Flow
Up or down, left to right
STOP must be wired…
NC, Examine ON
Other way can jam and keep current flowing in emergency
Preset
Amount of time for which a timer is programmed
Goal
As scan time increases, accuracy increases?
False
When a timing device is not reset due to loss of power it is:
Retentive
One or more timers programmed to work together:
Cascading
Timer instantaneous contact:
EN bit
When ACC = Preset for TON what is true:
DN, EN
In CTD, DN is true if:
ACC >= Preset
How does CTU reset
when high to low achieved
Double Precision Math
Treats 2 registers as 1 Data