Fig. 6-10: Keyboard Telegram - Bosch Rexroth IndraControl VDP 16.1 Series Project Planning Manual

6-8
Display and Operating Components
Requesting M-Keys via PS/2
Request M-Keys via COM3
The following key codes are output:
Key combinations of the keys
VDP 16.1BK and VDP 40.1BI
M-Keys, left
L1
to
L8
M-Keys, right
R1
to
R8
Fig. 6-9: Key combinations of the keys VDP 16.1BK and VDP 40.1BI
M-Keys may not be subject to a repeating operation (Key Controller ->
Conti. Jogging of axes].
The states of the M-Keys can be transferred to a soft control via the serial
interface COM3. The soft control has to send a request telegram and
receives as response a keyboard telegram containing all key states.
The request telegram has to consist of one byte with value 0xB2.
The keyboard telegram is send not later than 10 ms after the reception of
the request telegram. Pressed M-Keys have the value "0"; if the keys
are not pressed, they have the value "1". The keyboard telegram has the
following structure:
Byte 3
CRC
Fig. 6-10: Keyboard telegram
VDP 16.1, VDP 40.1 and VDP 60.1
Corresponding key of a standard
keyboard
CTRL + ALT + SHIFT LINKS + X
ASCII-Block X: 1 ... 8 (nicht NUM-Block)
CTRL + ALT + SHIFT RECHTS + X
ASCII-Block X: 1 ... 8 (nicht NUM-Block)
Byte 2 Byte 1
Status M-Keys right
(Bit 0 = R1 to
Bit 7 = R8)
DOK-SUPPL*-VDP16/40/60-PR02-EN-P
Byte 0
M-Keys left
(Bit 0 = L1 to
Bit 7 = L8)