YASKAWA MA1440 Operating And Maintenance Manual page 48

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Internal cables and compressed air lines
= assigned
 = unassigned
Connector plug for the internal cable
1
feedthrough on the base
Connector plug for the internal cable
2
feedthrough on U-arm
+24 V (1A) for shock sensor
3
Shock sensor signal input
4
The pins used on the connectors (3BC: 14 wires, 8 x 0.20 mm², 2 x 0.75mm², and 4 x 1.25
mm²) are connected to the stand and arm with individual wires.
In the standard specification, pins 7 and 8 are connected as follows:
To the 3BC connection for the collision sensor on the U arm.
To the 3BC connection for the collision sensor on the robot controller.
Pins 7 and 8 of the respective 3BC connections on the connector plate and U arm are
connected to each other.
For the wiring, see the following figure, "Connecting diagram for internal connections."
The internal connections of the robot are shown in the following diagrams "Connection
diagram A" and "Connection diagram B".
-
8
48
1
1
2
3
4
7
5
6
7
1
5
8
2
9
5
4
10
7
2
(0.75mm
)
11
9
2
(0.75mm
)
12
11
2
13
(1.25mm
)
13
14
(1.25mm
2
)
15
(1.25mm
2
)
15
16
2
(1.25mm
)
6
Fig. 8-2: Details of the plug
2
1
2
3
4
5
6
7
5
8
3
9
6
10
8
2
(0.75mm
10
11
2
12
(0.75mm
12
14
13
(1.25mm
2
14
(1.25mm
2
16
15
2
(1.25mm
16
2
(1.25mm
Pins used
5
Internal user I/O wiring harness: 8
6
wires 0.2 mm², 2 wires 0.75 mm², 4
wires 1.25 mm²
7 and 8 are open
7
3
4
1
2
3
5
4
6
7
8
)
10
9
)
12
11
14
)
13
)
15
16
)
)
6

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