MTS 793 Controller Hardware FlexTest GT Controller Connections
127
Digital inputs The J3 In connector accommodates up to sixteen digital signals from
external devices. You can use digital input signals to trigger test events
with your controller applications.
• All of the inputs are optically isolated and support relay contacts
or logic inputs (see the following figure).
• Channel inputs can be 3 volts (minimum) and 26 volts (maximum)
from an external voltage source.
+12 V DC
+12 V DC
To
493.72 Digital Input
J3
1
20
2
21
3
22
4
23
5
24
6
25
7
26
8
27
9
28
10
29
11
30
12
31
13
32
14
33
15
34
16
35
18
19
36
37
Channel 1 Input
Channel 2 Input
Channel 3 Input
Channel 4 Input
Channel 5 Input
Channel 6 Input
Channel 7 Input
Channel 8 Input
Channel 9 Input
Channel 10 Input
Channel 11 Input
Channel 12 Input
Channel 13 Input
Channel 14 Input
Channel 15 Input
Channel 16 Input
From
External Device
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
To
External Device
J4
1
20
2
21
3
22
4
23
5
24
6
25
7
26
8
27
9
28
10
29
11
30
12
31
13
32
14
33
15
34
16
35
18
19
36
37
Channel 1 Output
Channel 2 Output
Channel 3 Output
Channel 4 Output
Channel 5 Output
Channel 6 Output
Channel 7 Output
Channel 8 Output
Channel 9 Output
Channel 10 Output
Channel 11 Output
Channel 12 Output
Channel 13 Output
Channel 14 Output
Channel 15 Output
Channel 16 Output
From
493.72 Digital Output
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
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