Rockwell Automation 1746-HSCE2 Multi-Channel High Speed Counter Module - Manual (Page 134)

Publication 1746-UM002B-EN-P - August 2004
Glossary 2
rate value
The counts per second (Hz) value that the module reports to the
processor.
real outputs
The actual physical outputs on the module.
static parameter
A parameter that must not be altered while the counter is running.
underflow (counter)
The module’s status when the count value would be less than the
minimum value.
underflow (rate)
The module’s status when the rate value is less than the minimum
value.
virtual output
The status bits within the module that are set by module’s program
and can be examined by the user program.