Fig. 8 A973 4-Button Board; Table 11 Assignment Of Connection Strip - A972 Three-Button Board; Table 12 Assignment Of Connection Strip - A974 Four-Button Board - Beckhoff C9900-G05 Series Manual

Product overview
Table 11: Assignment of connection strip - A972 three-button board
Connection strip
1
2
3
4-button board for C9900-G055 and C9900-G057
1 2
Fig. 8: A973 4-button board
The 4-button board has two external connection strips 1, CON600 & CON601, which are used for the power
supply to the board. LEDs 1-4 and the push-buttons S1 and S2 are wired via connection strip 4, CON602.
Connection strip 2, CON603, is used for the wiring of the push-button S3. Connection strip 2, CON604, is
used for the wiring of the push-button S4.
Table 12: Assignment of connection strip - A974 four-button board
Connection strip
1
2
18
Terminal point
1
2
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
3
Terminal point
1
2
1
2
3
4
Version: 1.0
Description
24 V DC
0 V
Input break contact 2.1
Output break contact 2.1
Output break contact 2.2
Input break contact 2.2
Input make contact 3.1
Output make contact 3.1
Output make contact 3.2
Input make contact 3.2
LED 1
LED 2
LED 3
Not used
Input make contact 1.1
Output make contact 1.1
Output make contact 1.2
Input make contact 1.2
4
Description
24 V DC
0 V
Input make contact 4.1
Output make contact 4.1
Output make contact 4.2
Input make contact 4.2
C9900-G05x
1