Siemens SIMATIC Panel PC 870 Equipment Manual page 142

R
RTC
Real time clock
S
SCSI interface
Small Computer System Interface. Interface for connecting SCSI devices (for
example, hard disks, CD-ROM drives)
SETUP (BIOS Setup)
A program which defines information about the device configuration. The device
configuration of the SIMATIC PC is preset. Changes have to be made when a
memory expansion module, new modules or drives have to be activated.
SINEC L2
Bus system on the basis of the Profibus standard. SINEC L2 supports direct
interconnection of components in the SIMATIC S5/S7 series (for example,
programming units, PLCs, automation systems, etc.).
SINEC H1 (Ethernet)
Bus system on the basis of the Ethernet standard. SINEC H1 interface modules
support direct interconnection of components in the SIMATIC S5/S7 series (for
example, programming units, PLCs, automation systems).
T
TFT display
Thin-film transistor color display
U
USB port
(Universal Serial Bus) for connecting devices to the USB port.
Panel PC 870 Computing Unit Equipment Manual
Edition 12/01
Glossary
Glossary-5