VXI VT1433B, User Manual, Page: 196 / 203

Soft Front Panel (SFP)
A VXI plug&play program which provides and easy-to-use interface for the
VT1432A. It can be used in Microsoft Windows 95 or later or Windows NT.
SRAM
Static Random Access Memory.
summer
A circuit that outputs the sum of two input signals.
sync/trigger line
A TTL line on the VXI back plane, used for synchronization or triggering signals.
SYSRESET*
SYStem RESET line, part of the VXI Bus.
system module
The module with the lowest VXI logical address. It needs to be set to output the
synchronization pulse for a multiple module group. All system sync pulses come
from the system module.
tachometer
The tachometer produces a signal which is proportional to the rotation of a
device. It can be programmed to produce one or more signals per revolution.
target
The ‘target’ of a library function is either a channel, a group or (rarely) a
module, depending on the nature of the call. When the same library function
may be called with either a channel or a group identifier, its ‘target’ is shown by
a parameter named ID.
TTL
Transistor-Transistor Logic, a standard for electrical signals.
TTLTRG
TTL TRiGger lines, part of the VXI Bus.
VEE
Virtual Engineering Environment, a program which facilitates the setup and
programming of instruments by employing a graphic user interface.
VT1433B User's Guide
Glossary
G-6