Alarms, error messages, and system alarms
20.4 PLC and NC variables
Milling
Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
583
PLC variables
Inputs
Input bit (Ex), input byte (EBx), input word (EWx), input double word (EDx)
Outputs
Output bit (Ax), output byte (ABx), output word (AWx), output double word
(ADx)
Bit memory
Memory bit (Mx), memory byte (MBx), memory word (MWx), memory
double word (MDx)
Times
Time (Tx)
Meters
Counter (Cx)
Data
Data block (DBx), data bit (DBXx), data byte (DBBx), data word (DBWx),
data double word (DBDx)
Formats
B
Binary
H
Hexadecimal
D
Decimal without sign
+/-D
Decimal with sign
F
Floating point (for double words)
A
ASCII characters
Notation for variables
●
PLC variables
EB2
A1.2
DB2.DBW2
●
NC variables
–
NC system variables - notation
$AA_IM[1]
–
User variables/GUDs - notation
GUD/MyVariable[1,3]
–
OPI - notation
/CHANNEL/PARAMETER/R[u1,2]
Summary of Contents for SINUMERIK 840D
Page 6: ...Preface Milling 6 Operating Manual 03 2010 6FC5398 7CP20 1BA0 ...
Page 50: ...Introduction 1 4 User interface Milling 50 Operating Manual 03 2010 6FC5398 7CP20 1BA0 ...
Page 600: ...Appendix A 2 Overview Milling 600 Operating Manual 03 2010 6FC5398 7CP20 1BA0 ...
Page 610: ...Index Milling 610 Operating Manual 03 2010 6FC5398 7CP20 1BA0 ...