Rockwell Automation 1747-L5xx SLC 500 Modular Hardware Style User Manual - Manual (Page 275)

Publication 1747-UM011G-EN-P - June 2008
Glossary 275
Terminal, or PBASE). Once you have programmed the modem,
activate the DTR signal to dial the number, or deactivate the DTR
signal to end the call.
EEPROM
Electrically Erasable Programmable Read Only Memory module used
to store, back-up, or transfer SLC 500 programs. The SLC 500
processor can read and write to an EEPROM.
EMI
Electromagnetic interference.
encoder
A device that detects position, and transmits a signal representing that
position.
Ethernet network
A local area network with a baseband communication rate of 10M bits
per second.
executing mode
Any run or test mode.
false
The status of an instruction that does not provide a continuous logical
path on a ladder rung.
FIFO (first-in-first-out)
The order that data is stored and retrieved from a file.
file
A collection of data or logic organized into groups.
flash EPROM
Flash Erasable Programmable Read Only Memory module. It
combines the programming versatility of EEPROMs with the security
precautions of UVPROMs. This means that you have the option of
leaving your EPROM programs write protected or unprotected.