Saia-Burgess
Controls Ltd.
Manual PCD7.D23x│Document 26/795; Edition E7│15.04.2005
Software
Free Terminal Protocol Mode
4-18
4
vanced commands only. For advanced command programming and use other than
with the HMI contact SBC for the programming details.
With the 20 ms default setting the timing is:
Before start of transmission:
●
Minimal turnaround time: 10 ms
●
Maximal turnaround time: 20 ms
After finishing tranmission:
●
Maximal hold time: < 5 µsc (start of last hold Bit triggered)
The number of stored event is limited to 4. In the PCD7.D795 it’s 63, but that would
lead to an unworkable lock up. If the count “00” is returned it means that no key event
has been entered in between. If the count “4” is returned it means that key events
may have been lost.
The modified key code is as follows:
Key code “yy” Rotator / Push key assem-
bly function
D230 direct mode
“09”
push long
0x1b
escape
“04”
rotate left
0x08
left
“02”
rotate right
0x06
right
“0D”
push short
0x0d
enter
A ring buffer is used, at queue overflow the last recent entries are lost.
