Ethernet communication
7.7 HT 2
Manual
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
223
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 Numbering of the softkeys and LEDs
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 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
EB m + 0 Reserved
EB m + 1 Reserved
EB m + 2 SK8 - SK7 SK5 SK4 SK3 - SK2
EB m + 3 - SK12 SK20 SK19 SK18 SK17 SK10 SK9
EB m + 4 SK25 SK14 SK13 - - - - -
EB m + 5 Write Key- Rotary coding switch (override) 1) -
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