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SINUMERIK 840D/840Di/810D Diagnostics Guide (DA), 10.04 Edition
10.04 2 Appendix
PLC Programmable Logic Control: Programmable logic control
PRT Program test
RAM Program memory that can be read and written to
RISC Reduced Instruction Set Computer: Type of processor with small instruction set and abil-
ity to process instructions at high speed
ROV Rapid override
RPA R-Parameter Active: Memory area on the NCK for R parameter numbers
RTS Request To Send: Activate transmitter, control signal from serial data interfaces
SBL Single Block
SD Setting Data
SEA Setting Data Active: Memory area for setting data on the NCK
SKP SKiP: Skip block
SM Signal Module
SPF Sub Program File: Subroutine
SSI Serial Synchronous Interface: Synchronous serial interface
SW Software
T Tool
TEA Testing Data Active: Refers to machine data
TNRC Tool Nose Radius Compensation
TO Tool Offset