Siemens SINUMERIK 840 Planning Guide

9 Examples 01.91
9.1.3 Description of the PLC program
Machine data in DB 146:
Address key Comment
DW 136 Loading point "Mag. No."
DW 137 Offset loading point 1
DW 138 Offset loading point 2
DW 139 Unassigned
DW 140 Unassigned
DW 141 Unassigned
DW 142 Unassigned
DW 143 DBVS
DL DR
DBTL (for package 2 only)
DBVS = DB leader data (tool list) DBTL = DB exchange list
Signals and acknowledgements in DB 146:
Address key Comment
DW 144 Dynamic signal
DW 145 Neg. acknowl.
DW 146 Dynamic signal
DW 147 Neg. acknowl.
DW 148 Unassigned
DW 149 Unassigned
DW 150 Unassigned
DW 151 Unassigned
DL DR
FW 234
FW 236
FW 238
FW 240
Static signal
Pos. acknowl.
Static signal
Pos. acknowl.
9–42 © Siemens AG 1991 All Rights Reserved 6FC5 197-0AA40-1BP1
SINUMERIK 840/880 (PJ)

Siemens SINUMERIK 840 Specifications

General

Control Type	CNC
Axes	Up to 31
Display	TFT color display
PLC	Integrated
HMI	SINUMERIK Operate
Communication Interfaces	Ethernet, PROFIBUS, PROFINET
Type	CNC system
Programming Languages	G-code
Max Number of Channels	10
Operating Temperature	0 to 45 °C
Relative Humidity	Up to 95% (non-condensing)
Protection Class	IP54 (front panel)