01/2007
B-528
© Siemens AG 2007 All Rights Reserved
SINUMERIK 840Di sl Manual (HBIsl) – 01/2007 Edition
Manual Data Automatic: NC mode for entering and processing individual part
program blocks or block sequences
Message word
Machine–readable product designation: Order No.
Motor module
Man machine communication
Main program file: NC part program (main program)
Multi Point Interface: Multi–point serial interface
Main spindle drive
Numerical control
Numerical Control Kernel: NC kernel with block preparation, traversing range,
etc.
Numerical Control Unit: NC module
Numerical eXtension (axis extension module)
Organization block: Block type of PLC basic or user program
Optical Link Plug: Fibre–optic bus connector
Personal Computer Memory Card International Association
PC unit
Program control word
Programming device
Parameter identification: Part of a PIV
Process image of inputs
Parameter identification: Value: Parameterizing part of a PPO
Programmable Logic Control
Position measuring system 1
Position measuring system 2
PROFIBUS user organization
Power ON
Process image of outputs
Positioning Motor Actuator: positioning motor
Request to send, Positioning Motor Compact AC: Complete drive unit with inte-
grated power and control module as well as positioning unit and program
memory; AC infeed.
MDI
MELDW
MLFB
MM
MMC
MPF
MPI
MSD
NC
NCK
NCU
NX
OB
OLP
PCMCIA
PCU
PCW
PG
PID
PII
PIV
PLC
PMS1
PMS2
PNO
PO
POI
POSMO A
POSMO CA
B Abbreviations