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Hardware reference
28-Pin I/O connector
The 28 pin connector is a Weidmuller connector designation:
B2L 3.5/28 LH.
/i
Pin
Connection
1
0 V input common
3
Input 0
5
Input 2
7
Input 4
9
Input 6
11
Input 8
13
Input 10
15
Input 12
17
Input 14
19
Output 8
21
Output 10
23
Output 12
25
Output 14
27
0 V output common
LEDs 0 - 7
The I/O LEDs reflect the activity of the input and outputs. You can use the
BASIC DISPLAY=n command to set the LEDs.
The table below lists the configuration for LEDs 0 - 7 and the DISPLAY=n
command where n ranges from 0 to 7.
/i
LED
n=0
n=1
n=2
label
0
IN 0
IN 8
IN 16
1
IN 1
IN 9
IN 17
HARDWARE REFERENCE MANUAL
Pin
Connection
2
0 V input common
4
Input 1
6
Input 3
8
Input 5
10
Input 7
12
Input 9
14
Input 11
16
Input 13
18
Input 15
20
Output 9
22
Output 11
24
Output 13
26
Output 15
28
24V Power supply Input for
the Outputs.
n=3
n=4
n=5
n=6
IN 24
OUT 0
OUT 8
OUT 16
IN 25
OUT 1
OUT 9
OUT 17
n=7
OUT 24
OUT 25
fig. 24
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
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