The correlation between the LED bytes B1 – B5 and the individual LEDs is shown below:
Byte
LED
Key
B1.0
LED40*
B1.1
LED39
Shift
B1.2
LED38
ACK
B1.3
LED37
Help
B1.4
LED36
F20
B1.5
LED35
F19
B1.6
LED34
F18
B1.7
LED33
F17
B2.0
LED32
F16
B2.1
LED31
F15
B2.2
LED30
F14
B2.3
LED29
F13
B2.4
LED28
F12
B2.5
LED27
F11
B2.6
LED26
F10
B2.7
LED25
F9
B3.0
LED24
F8
B3.1
LED23
F7
B3.2
LED22
F6
B3.3
LED21
F5
*: There is no LED40 on the foil keyboard.
ASCII - Kodierung: 0 ... 9 => 0x30 ... 0x39; A ... F => 0x41 ... 0x46
Samples:
all LED „ON"
0xEA, 0x46, 0x46, 0x46, 0x46, 0x46, 0x46, 0x46, 0x46, 0x46, 0x46
all LED "OFF"
0xEA, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30
Sampel (X= LED "ON"):
0xEA, 0x31, 0x41, 0x34, 0x44, 0x42, 0x45, 0x44, 0x30, 0x46, 0x38
Control panel SCD 1297-K
Example
0
,B1L'
A = 0x41
X 1
0
X 1
X 1
,B1H'
0
1 = 0x31
0
0
X 1
,B2L'
D = 0x44
0
1
1
0
,B2H'
4 = 0x34
0
X 1
0
0
,B3L'
E = 0x45
X 1
X 1
X 1
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Byte LED
Key
B3.4 LED20 F4
B3.5 LED19 F3
B3.6 LED18 F2
B3.7 LED17 F1
B4.0 LED16 S16
B4.1 LED15 S15
B4.2 LED14 S14
B4.3 LED13 S13
B4.4 LED12 S12
B4.5 LED11 S11
B4.6 LED10 S10
B4.7 LED9
S9
B5.0 LED8
S8
B5.1 LED7
S7
B5.2 LED6
S6
B5.3 LED5
S5
B5.4 LED4
S4
B5.5 LED3
S3
B5.6 LED2
S2
B5.7 LED1
S1
Operating instruction
Example
X 1
,B3H'
B = 0x42
X 1
0
X 1
0
,B4L'
0
0 = 0x30
0
0
X 1
,B4H'
D = 0x44
0
X 1
X 1
0
,B5L'
8 = 0x38
0
0
X 1
X 1
,B5H'
F = 0x46
X 1
X 1
X 1
DOC-Nr.: b40008de3.doc