Configure hotkeys and PLC keys
4.3 PLC interface
Expanding the user interface
4-14
Commissioning Manual, 11/2006, 6FC5397-0DP10-0BA0
Structure of the interface
The interface between HMI Embedded sl and the PLC uses the following data:
HMI 1:
DB19.DBW28:
Screen number
DB19.DBB30:
Control bits PLC → HMI, PLC byte
DB19.DBB31:
Control bits HMI → PLC, HMI byte
HMI 2:
DB19.DBW28:
Screen number
DB19.DBB80:
Control bits PLC → HMI, PLC byte
DB19.DBB81:
Control bits HMI → PLC, HMI byte
PLC-Byte
Bit0
Display selection
Bit1
Display selection
HMI byte
Bit0
Display selection or display deselection accepted
Bit1
Display is being selected or deselected
Bit2
Display is selected
Bit3
Display is deselected
Bit4
Error, display selection not possible
Bit7
Inactive bit
Two bytes are used for the display number to be transferred by the PLC; these are one PLC
byte and one HMI byte for coordinating the display selection.
Operating the interface
The interface is operated by the PLC program supplied by the manufacturer, using the
following functions (DB 19 extract, first HMI interface):
PLC → HMI
Selection
Deselection
HMI → PLC
Selection
Deselection
DBW 28
Screen number
(1)
Bit
DBB 30
DBB 31
0
Display selection
1 (2)
0 (4)
Select/deselect
accepted
1 (3)
0 (6)
1 (2)
0 (3)
1
Display deselection
1 (1)
0 (4)
Display is being
selected
Display is being
deselected
0 (3)
1 (5)
0 (3)
2
Display is selected
0 (3)
1 (7)
0 (3)
3
Display is deselected 0 (3)
0 (2)
1 (3)
4
Error, display
selection not possible
0
0 (2)
Summary of Contents for SINUMERIK
Page 6: ...Preface Base software and HMI Advanced 6 Commissioning Manual 03 2009 6FC5397 0DP10 3BA0 ...
Page 96: ......
Page 562: ...Index Expanding the user interface Index 4 Commissioning Manual 11 2006 6FC5397 0DP10 0BA0 ...
Page 566: ...Table of contents Online Help HE1 4 Commissioning Manual 11 2006 6FC5397 0DP10 0BA0 ...
Page 598: ...Online Help HE1 Commissioning Manual 11 2006 6FC5397 0DP10 0BA0 36 ...