Input/Output Image - Siemens SINUMERIK 840Di sl Commissioning Manual

8.7.6

Input/Output image

Arrangement: Keys and LEDs
A key and the LED positioned above it form a logical unit. The key and the LED have the
same number.
● Key number xy corresponds to Sxy
● LED number xy corresponds to LEDxy
The following figure shows the arrangement of keys and LEDs on the machine control panel.
For the sake of clarity, the LED designations are not shown in full.
Figure 8-20 MCP 483 keyboard layout (front view)
Input image
Arrangement of the key signals in the input image of the MCP 483 DP slave:
Table 8-5 Input image
Signals from machine control panel (keys)
Byte Bit7
Spindle override
EB n+0
*Override
Spindle 8
X31.7
EB n+1 Machine functions
REPOS
S01
Manual
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
Bit6 Bit5
*Override *Override
Spindle 4 Spindle 2
X31.8 X31.9
REF var. INC
S02 S03
Bit4 Bit3
Mode
*Override
JOG
Spindle 4
X31.10
S09
10000 INC 1000 INC
S08 S07
PROFIBUS DP Communication
8.7 DP slave MCP 483
Bit2 Bit1
TEACH MDA
S10 S11
100 INC 10 INC
S06 S05
Bit0
AUTO
S12
1 INC
S04
283