migan MPB
Large Format Numeric LED Display with InterBus Interface
microSYST Systemelectronic GmbH, Am Gewerbepark 11, 92670 Windischeschenbach
+49 9681 91960-0,
+49 9681 91960-10, [email protected], www.microsyst.de
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3.6.2 Example
Display the numbers “123456”
Transmission of block 1
1
2
3
4
5
6
7
8
toggle
byte
STX
3C
H
ADRH
30
H
ADRL
31
H
point byte1
40
H
point byte2
40
H
point byte3
40
H
display
data
31
H
First change bytes 2 through 8, then change byte 1!
Do not begin with transmission of block 2 until response has been re-
ceived (8 bytes of output data are mirrored to the input data)!
Transmission of block 2
1
2
3
4
5
6
7
8
Toggle
byte
display
data
32
H
display
data
33
H
display
data
34
H
display
data
35
H
display
data
36
H
ETX
3E
H
not used
00
H
First change bytes 2 through 8, then change byte 1!
3.7 Response Frame (IB Input
– 8 Bytes)
Once the display has been updated, these bytes are identical to the IB
output bytes. The IB input
bytes needn’t be evaluated by the Interbus
Master (PLC).
