User manual

Appendix D Functions and data transfer
akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: [phone] · www.akytec.de
19
Comments
*) Available only in master mode
**) The display supports the following characters:
̶ Figures 0 … 9;
̶ Upper and lower case letters of the Latin alphabet;
̶ Symbols " ", "_", "–", "."
Examples: 1) char[8] = "A.B.C.D"; 2) char[8] = "ABCD"; 3) char[8] = "ABCD."
***) 4 bytes data shows the status of each display segment. The first byte is reserved for the first digit
from the right. The allocation of bits for the individual segments is described in Table D6.
D.2 Error codes
Table D5
0
Error-free frame transmission
1
Illegal function
2
Set decimal point position larger than 4
3
Write access to read-only memory
33
Framing error
39
Incorrect checksum
40
Descriptor not found
49
Actual memory area smaller than indicated
D.3 Segment addressing
Table D6
Segment
Bit
A
7
B
6
C 5
D
4
E
3
F
2
G
1
DP
0