Plc Machine Data Words (Db 61) - Siemens SINUMERIK 840 Planning Manual

10 Data fields
10.2 NC machine data
MD 540* Output auxiliary functions to PLC
This signal has to be set for all channels, for which auxiliary signals concerning tool
management are output.
MD 544* Bit 4 Output of the T auxiliary function in binary code (0 = binary, 1 = BCD code)
The signal must not be set because the standard tool management processes the T
number as a fixed-point number.
MD 544* Bit 5 Output of the D auxiliary function in binary code
The signal must not be set since the standard tool management processes the D
number as a fixed-point number.
MD 544* Bit 6 Output of the H auxiliary function in binary code
Binary if routed to FB 133 (0 = binary, 1 = BCD code)

10.1.2 PLC machine data words (DB 61)

Global machine data words for tool management
Data
word High-order byte (DL)
No.
DW 0
Bit 15
Initial address (data word) of the tool buffer area
m+0
DW 1
Bit 15
Number of locations of the tool buffer area
m+1
DW 2
Bit 15
Width of the user list (0 to 7 data blocks are permissible)
m+2
DW 3
Bit 15
Width of the reference list (1 to 9 data blocks are permissible)
m+3
PLC 1) Address m
< Software Version 6.1
1
2
_______
1) PLC 2 applies to SINUMERIK 880/880 GA2 only
10–2
Address m
Software Version 6.1
2000 2000
2100 2250
© Siemens AG 1991 All Rights Reserved
Low-order byte (DR)
6FC5 197-0AA40-1BP1
SINUMERIK 840/880 (PJ)
11.92
Bit 0
Bit 0
Bit 0
Bit 0