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A973 4-push button board
2 1
2 1
4
4
3
3
2
2
1
1
S4
S4
4
4
1
1
2
2
1
1
1
2
Fig. 7: A973 4-push button board
The 4-push button board A973 has two external connection strips CON600 and CON601 (Fig. 7, No. 1).
They are used to supply power to the board. Use the connection strip CON602 (No. 4) to wire the LEDs 1-4
and the push buttons S1 and S2. Use the connection strip CON603 (No. 3) to wire push button S3 and the
connection strip CON604 (No. 2) to wire push button S4.
Table 9: Assignment of connection strip - A973 4-push button board
Connection strip
Terminal point
1
1
2
2
1
2
3
4
3
1
2
3
4
4
1
2
3
4
5
6
7
8
9
10
11
12
C9900-G00x and C9900-G02x
4
4
3
3
2
2
1
1
12
12
11
11
10
10
9
9
S3
S3
S2
S2
4
4
1
1
12
12
3
Description
24 V DC
0 V
Input normally open contact 4.1
Output normally open contact 4.1
Output normally open contact 4.2
Input normally open contact 4.2
Input normally open contact 3.1
Output normally open contact 3.1
Output normally open contact 3.2
Input normally open contact 3.2
LED S1
LED S2
LED S3
LED S4
Input normally open contact 1.1
Output normally open contact 1.1
Output normally open contact 1.2
Input normally open contact 1.2
Input normally closed contact 2.1
Output normally closed contact 2.1
Output normally closed contact 2.2
Input normally closed contact 2.2
Version: 2.0
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
2 1
2 1
S1
S1
1
1
2
2
4
Product overview
1
1
1
19
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