CEMP-E
TI 810-11
30 November 1998
IV:
Inlet Vane
Kv:
The liquid flow coefficient of a valve that has
the units of m3/hr per 100 kPa pressure drop
and is used to select the valve for a required
flow in the open position at a calculated
pressure drop.
kPa:
Kilo-Pascal
L1, L2, N:
Control-Power Lines and Neutral
L:
Low
Ladder Diagram:
A diagram that shows the electrical
control-logic portion of a control system.
LD:
Loop Driver
LDR:
Ladder
Linearity:
A relation such that any change of input
signal is accompanied by a similar output
change that is directly proportional to the
input.
Local-Loop Control:
The local pneumatic or electric/electronic
controls for any system or subsystem.
LOC:
Location
Loop Driver:
A device used in control loops to assure that
the single-loop digital controller will not be
required to drive a loop with a greater
impedance than 600 ohms.
LPS:
Low-Pressure Steam
L/s:
Liters per second
LTHW:
Low-Temperature Hot Water
M:
Main Air, Motor, Monday
MA:
Milliamp
MAN.:
Manual
Glossary-7
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