Siemens SIMATIC FM 453 Manual page 196

Man-Machine Interface
Table 8-3 Parameters/Data of DB-SS, continued
1)
Offset Variable Type
130 STRUCT MDI block struc-
ture
150 BYTE
151 BYTE
152 2 x BYTE
154 4 x BYTE
158 BYTE
159 BYTE
160 DINT
164 4 x DINT
180 DINT
184 DINT
188 DINT
192 DINT
196 DINT
200 DINT
202 DINT
208 DINT
212 STRUCT NC block structure
232 STRUCT NC block structure
252 DINT
256 DINT
260 DINT
264 DINT
268 DINT
272 DINT
276 DINT
280 DINT
284 DINT
288 DINT
292 DINT
1) A variable in the S7 protocol is addressed by the DB No. and, depending on data format, by the DBB, DBW and DBD
No. (offset in DB), as well.
8-12
Value Significance of the Variables
MDI block on the fly
Program selection
Program selection
Program selection
Request application data
Teach In
Teach In
Reference coordinate
Free
Actual position
Actual velocity
Residual travel
Target position
Total current coordinate shift
Traversing speed, rotary axis
Free
Free
Active NC block
Next NC block
Code application 1
Code application 2
Code application 3
Code application 4
Actual position on leading edge
Actual position on trailing edge
Length measurement value
Actual value at external block change
DAC output value (for servo drive) or
frequency output value (for step drive)
Encoder actual value (for drive with en-
coder) or pulse output counter (for
drive without encoder)
Missing pulse (for drives with incre-
mental encoders)
Program number
Block number
Direction, free
Application data 1-4
Prog. no.
Block number
Basic operating data
Basic operating data
Basic operating data
Basic operating data
Basic operating data
Basic operating data
Application data
Application data
Application data
Application data
Length measurement/in-
process measurement
Length measurement
Length measurement
Servicing data
Servicing data
Servicing data
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
Comment