Siemens SINUMERIK 840C - Page 101

2 PLC Machine Data 01.99
2.1 PLC machine data for operating system (DB 60)
MD
No.
D e s i g n a t i o n
Standard-
mach. data
Maximum
input value
Input
resolution
DB60
DW
28 28 Function number for core
sequence triggering
0 255
29 29 Function number for core
sequence triggering
0 255
30 30 Number of interrupt bytes to IF
PLC/PLC 135WD
–1 127
31 31 Reserved
33 33 Number of user interfaces
command channel
08
34
.
.
.
123
34
.
.
.
123
Start address of DMP submo-
dules
. (see table for
. MD 34 to 123)
.
see
Table
254
.
.
.
254
--
.
.
.
--
124 124 Byte number 1st alarm byte -1 127 --
125 125 Byte number 2nd alarm byte -1 127 --
126 126 Byte number 3rd alarm byte -1 127 --
127 127 Byte number 4th alarm byte -1 127 --
128 128 Address for 1st machine control
panel
64 120
127
2)
--
129 129 Address for 2nd machine control
panel
72 120
127
2)
--
130 130 Address interrupt byte –1 254 --
131 131 Address interrupt byte –1 254 --
132 132 Address interrupt byte * –1 254 --
133 133 Address interrupt byte * –1 254 --
134 134 Address interrupt byte of IF
PLC/PLC 135WD
–1 254 --
135 135 Reserved
136 136 Free configuring
1)
DB 1-255
DX 0-255
0
1
1000
255
1255
--
137 137 OEM information bits FW
(MMC PLC SS)
2)
*
254 -- --
_______
CL=Computer link
* not SW 1+2, description in OEM package
1) MD 136 = 0 Machine data configuring (standard)
1 - 255 DB configuring
1000 - 1255 DX configuring
2) SW 4 and higher
2–2 © Siemens AG 1992 All Rights Reserved 6FC5197- AA60
SINUMERIK 840C (IA)