microSYST migan MPB IZ, Руководство пользователя, Страница: 16 / 21

migan/migra MPB IZ
Large Format LED Display with Pulse Counter
microSYST Systemelectronic GmbH, Am Gewerbepark 11, 92670 Windischeschenbach

+49 9681 91960-0,

+49 9681 91960-10, info@microsyst.de, www.microsyst.de
Page 16
Preselection Inputs (25-Pin Sub-D Plug Connector, optionally mounted)
Depending on device type, the preselection inputs are operated in mode
BCD parallel or BCD multiplex:
BCD parallel BCD multiplex
Pin Assignment Pin Assignment
1 GND 1 GND
2
Output for preselection inputs
(+15 or +24 VDC)
2
Output for preselection inputs
(+15 or +24 VDC)
3 Data 2
0
/10
3
3 LE 10
5
4 Data 2 1 /10 3 4
5 Data 2 2 /10 3 5
6 Data 2
3
/10
3
6 LE 10
4
7 7
8 Data 2
0
/10
2
8
9 Data 2
1
/10
2
9 LE 10
3
10 Data 2 2 /10 2 10
11 Data 2
3
/10
2
11
12 12 LE 10
2
13 Data 2
0
/10
1
13
14 Data 2
1
/10
1
14
15 Data 2 2 /10 1 15 LE 10 1
16 Data 2 3 /10 1 16
17 17
18 Data 2
0
/10
0
18 LE 10
0
19 Data 2
1
/10
0
19
20 Data 2
2
/10
0
20
21 Data 2 3 /10 0 21 Data 2 0
22 LE (latch enable) 22 Data 2
1
23 23 Data 2
2
24 24 Data 2
3
25 25
The LE connections (latch enable) are LOW-active.
The ouput voltage of Pin 2 can be used for wiring the preselection inputs.
If the wiring shall happen with an external voltage, its GND must be connected
to Pin 1.