Pamux User’s Guide 147
resolution
The smallest increment of a signal that can be detected by a system. For example, 12-bit resolution
describes data accurate to the 12th bit, which implies a possible change of one part in 4,096 (2
12
) or
0.0244 percent.
ribbon cable
A flat cable in which the conductors are arranged side by side. Also called flat-ribbon cable.
RTD
Resistance temperature detector, a metallic probe used to measure temperature based on its
coefficient of resistivity.
TERM1
A terminator board for the Pamux bus. The final Pamux brain board on the bus must be terminated
with a TERM1 or TERM2 terminator board.
TERM2
A terminator board for the Pamux bus, identical to the TERM1 in size and function. The only
difference between the boards is that the TERM2 offers lower line impedance than the TERM1.
This may prove useful when using a cable that differs from recommended specifications.
thermocouple
A temperature sensor that includes a junction of two different metals. Temperature can be derived
from the voltage produced at the contact point of the metals.
UCA4
A general-purpose adapter card used to connect any TTL device to the Pamux bus. Its purpose is to
allow a user to build a custom interface to a Pamux system.
watchdog
A process that monitors a system for activity and registers an error if a set interval has elapsed.
GLOSSARY
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