Siemens SINUMERIK 840Di Function Manual page 1135

Checkback signals from user interface for controlling displays
Operating modes and machine functions
Destination:
MCP LED
AUTOMATIC
MDA
JOG
REPOS
REF
TEACH IN
All signals are ORed to obtain the LED checkback signals of the INC selections.
Destination:
MCP LED
INC 1 ... 10 000, INC Var.
INC 1 ... 10 000, INC Var.
INC 1 ... 10 000, INC Var.
Destination:
MCP LED
INC 1 ... 10 000, INC Var.
Channel signals
Destination:
MCP LED
NC Start
NC stop
Single block
Note
Direction key LEDs are controlled by operating the direction keys.
Axis selection and WCS/MCS LEDs are controlled by operating the relevant pushbutton
switch.
Power Line Basic PLC Program (P3)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Source:
Interface DB (parameter ModeGroupNo)
DB11, ... DBX6.0
DB11, ... DBX6.1
DB11, ... DBX6.2
DB11, ... DBX7.1
DB11, ... DBX7.2
DB11, ... DBX7.0
Source:
Interface DB (parameter ChanNo)
DB21, ... DBB41, Bit 0 to 5
DB21, ... DBB47, Bit 0 to 5
DB21, ... DBB53, Bit 0 to 5
Source:
Interface DB (all axis DBs)
DB31, ... DBB65, Bit 0 to 5
Source:
Interface DB (parameter ChanNo)
DB21, ... DBX35.0
DB21, ... DBX35.2 or DB21, ... DBX35.3
DB21, ... DBX0.4
Detailed description
2.12 Block descriptions
2-223