Signals From Channel (Db21 - Siemens SINUMERIK 840D sl Function Manual

Z2: NC/PLC interface signals
19.4 Manual and handwheel travel
19.4.3

Signals from channel (DB21, ...)

Overview of signals from channel to PLC
DB21, ...
DBB Bit 7
24
(HMI →
PLC)
33
(HMI →
PLC)
37 Stop at the
end of
block with
SBL
suppressed
Geometry axis 1
40 Travel command
plus
41
Geometry axis 2
46 Travel command
plus
47
Geometry axis 3
52 Travel command
plus
53
1044
Bit 6 Bit 5
Test run M01
feedrate selected
selected
Read-in CLC
enable is stopped
ignored upper
limit
/TE1/
Travel request
minus plus
Geometry axis 1
Active machine function
continuous- Variable
ly
INC
Travel request
minus plus
Geometry axis 2
Active machine function
continuous- Variable
ly
INC
Travel request
minus plus
Geometry axis 3
Active machine function
continuous- Variable
ly
INC
Signals from channel
Bit 4 Bit 3
Single DRF
block selected
selected
Handwheel
override
active
CLC CLC
stopped active
lower /TE1/
limit
/TE1/
minus
10000 1000
INC INC
minus
10000 1000
INC INC
minus
10000 1000
INC INC
Function Manual, 09/2009, 6FC5397-1BP20-0BA0
Bit 2 Bit 1
Activate handwheel
Contour handwheel active
Handwheel Handwheel
1 2
Handwheel active
3 2
100 10
INC INC
Handwheel active
3 2
100 10
INC INC
Handwheel active
3 2
100 10
INC INC
Extended Functions
Bit 0
Handwheel
3
1
1
INC
1
1
INC
1
1
INC