Linking To The Basic Plc And User Program; Interface Signals - Siemens SINUMERIK 840Di sl Commissioning Manual

7.7.2

Linking to the basic PLC and user program

7.7.2.1

Interface signals

Number system
The following figure shows the number system of the softkeys and LED of the HT 2 operator
field.
Figure 7-12
Note
In order to transfer the user softkeys (SK1, SK6, SK11 and SK16) in the input interface, at
least version 8.2 of the software "PCU-Base" must be installed.
NO LEDs are available at the HT 2 for the user softkeys (SK1, SK6, SK11 and SK16).
Input image
The address specification of the input image EB takes place in the FB 1 function module,
parameters: "HHUIn".
Table 7-8 Assignment of the signals in the input image
Signals from HT 2
Byte Bit 7
EB m + 0
EB m + 1
EB m + 2 SK8
EB m + 3 -
EB m + 4 SK25
EB m + 5 Write
Manual
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
Numbering of the softkeys and LEDs
Bit 6 Bit 5
- SK7
SK12 SK20
SK14 SK13
Key-
Bit 4 Bit 3
Reserved
Reserved
SK5 SK4
SK19 SK18
- -
Rotary coding switch (override) 1)
Ethernet communication
Bit 2 Bit 1
SK3 -
SK17 SK10
- -
7.7 HT 2
Bit 0
SK2
SK9
-
-
223