Siemens SINUMERIK 840C Installation Instructions Manual page 603

09.95
Machine data words for PLC operating system (DB 60)
DW No.
High byte (DL)
PLC
MD No.
DW 130
Address interrupt byte
Default setting=–1
MD 130
DW 131
Address interrupt byte
MD 131 Default setting=–1
DW 132
Address interrupt byte
MD 132 Default setting=–1
DW 133
Address interrupt byte
MD 133 Default setting=–1
DW 134
Address interrupt byte of interface PLC/PLC 135 WD
MD 134
Default setting=–1
DW 135
Spare
MD 135 Default setting=–1
DW 136
Free configuring data block
Default setting=0 (no DB)
MD 136
DW 137
OEM information bits FW (MMC PLC IF) 1) 2)
MD 137
Note:
For configuration see Interface Description, Part 1, Signals, Section 2.11, Configuration of the
distributed machine peripherals (DMP).
_______
* Not software version 1
1) As from SW 3
2) Description in OEM package
© Siemens AG 1992 All Rights Reserved
SINUMERIK 840C (IA)
8.2 PLC MD for the operating system (system data)
DB 1 - 255
DX 0 - 255
6FC5197- AA50
8 PLC Machine Data (PLC MD)
Low byte (DR)
–1 ... 254
–1 ... 254
–1 ... 254
–1 ... 254
–1 ... 254
–1 ... 254
1 ... 255
1000 ... 1255
8–11