Siemens SINUMERIK 840Di sl - Page 224

Ethernet communication
7.7 HT 2
Manual
224 Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
Signals from HT 2
acknowledg
ment
display
switch
E D C B A
1) Refer to Chapter: Rotary coding switch (Override)
- unassigned signals
Note
Unassigned signals are transferred from HT 8 with 0.
Output image
The address specification of the output image EB takes place in the FB 1 function module,
parameters: "HHUOut".
Table 7-9 Assignment of the signals in the output image
Signals to HT 2
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
AB m + 0 1) - - - - - - -
AB m + 1 Requireme
nt. Write
display-line
- - - - - Selection
Display-like
1 - 4
Bit 1
Selection
Display-like
1 - 4
Bit 0
AB m + 2 LED8 LED14 LED7 LED5 LED4 LED3 LED13 LED2
AB m + 3 LED15 LED12 LED20 LED19 LED18 LED17 LED10 LED9
1. Character of the selected line (outermost right character) AB m + 4
2. Character of the selected line AB m + 5
AB m + ... . . . . . . .
15. Character of the selected line AB m + 18
16. Character of the selected line (outermost left character) AB m + 19
1) The output mode of the HT 2 display is adjusted via the output signal. The output signal must always be set to the value
1.
- unassigned signals
Note
The LED belonging to the output signal on HT 2 illuminates when the output signal has the value 1.
Unused output signals are to be set to 0.
NOTICE
Output signal AB m + 0, Bit 7
The output mode of the HT 2 display is adjusted via the output signal. The output signal
must always be set to the value 1.