Siemens SINUMERIK 840C - Manual (Page 604)

8 PLC Machine Data (PLC MD) 09.01
8.3 PLC MD for function blocks (FB data)
8.3 PLC MD for function blocks (FB data)
PLC MD values for tool management package
2000 to
2077
Default value Lower input limit Upper input limit Units
0 –
DB 61
DW 0 - 77
For values and their meanings, refer to the Tool Management description.
PLC MD values for computer link package
2078 to
2089
Default value Lower input limit Upper input limit Units
0 –
DB 61
DW 78 - 89
For values and their meanings, see the Computer Link description.
PLC MD values for load package 2090
Default value Lower input limit Upper input limit Units
0 –
DB 61
DW 90
For values and their meanings, see the Package 0 description.
PLC MD values for computer link package
2096 to
2119
Default value Lower input limit Upper input limit Units
0 –
DB 61
DW 96 - 119
PLC MD values for tool management package
2120 to
2139
Default value Lower input limit Upper input limit Units
0 –
DB 61
DW 120-139
8.4 PLC MD for the user
PLC MD values for user
4000 to
4255
Default value Lower input limit Upper input limit Units
0 0 65535 –
DB 62
DW 0 - 255
A special area comprising 50 PLC MD words is available to the user to do with it as he sees
fit. This area can be used, for example, to match the user's machine program to the machine
configuration (also see PLC MD 8000 to 8255).
8–12 © Siemens AG 1992 All Rights Reserved 6FC5197- AA50
SINUMERIK 840C (IA)