Siemens SINUMERIK 840D Commissioning Manual

Starting Up HMI Embedded (IM2) 08/2005
4 Functions/Parameterization
© Siemens AG, 2005. All rights reserved
IM2/4-36 SINUMERIK 840D sl/840D/840Di/810D HMI Installation and Start-Up Guide (IAM) – 08/2005 Edition
Example:
The MD 10000 general machine data has protection level 2 / 7, i.e. protection
level 2 (corresponds to password) and protection level 7 are required to write or
read, respectively. In order to access the machine data area, key switch position 3
or more is required.
Undoing protection level changes
In order to undo protection level changes, the original values have to be restored.
Example:
%_N_SGUD_DEF ; File for global variables
; $PATH=/_N_DEF_DIR
REDEF $MA_CTRLOUT_SEGMENT_NR APR 7 APW 2
; (APR … read access)
REDEF $MA_ENC_SEGMENT_NR APR 0 APW 0
; (APW … write access)
REDEF $SN_JOG_CONT_MODE_LEVELTRIGGRD APR 7 APW 7
M30

Siemens SINUMERIK 840D Specifications

General

Series	SINUMERIK 840D
Axes	Up to 31
Channels	Up to 10
Operating System	Windows-based
Power Supply	24 V DC
Control Unit Type	CNC
Interface	Ethernet, PROFIBUS
Display	TFT color display
Interpolation	Spline
PLC	Integrated PLC
Data Storage	CompactFlash, USB