User manual
Publication CIG-WD001B-EN-P - May 2005
1790 CompactBlock LDX I/O Modules 13-3
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
+24V
+24V
CH0
CH1
GND
GND
GND
COM
COM
+24V
Wire pins 17, 18 and 19 to Field Power (+) 24Vdc
Wire pins 35, 36 and 37 to Field Power (-) GND
1790D-NOC2
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
+24V
+24V
CH0
CH1
GND
GND
GND
COM
COM
+24V
Wire pins 17, 18 and 19 to Field Power (+) 24Vdc
Wire pins 35, 36 and 37 to Field Power (-) GND
1790D-NOV2
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
+24V
+24V
CH0
CH1
CH2
CH3
GND
GND
GND
COM
COM
COM
COM
+24V
Wire pins 17, 18 and 19 to Field Power (+) 24Vdc
Wire pins 35, 36 and 37 to Field Power (-) GND
1790D-N4CO
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
+24V
+24V
CH0
CH1
CH2
CH3
GND
GND
GND
COM
COM
COM
COM
+24V
Wire pins 17, 18 and 19 to Field Power (+) 24Vdc
Wire pins 35, 36 and 37 to Field Power (-) GND
1790D-N4VO
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
COM0
O0
O1
O2
O3
O4
O5
O6
O7
COM2
O8
O9
O10
O11
O12
O13
O14
O15
COM1
COM1
COM1
COM1
COM1
COM3
COM3
COM3
COM3
COM1
COM1
COM1
COM1
COM3
COM3
COM3 COM3 COM3
Sourcing outputs - wire Com 0 and Com 2 to Field Power (+) 24V dc, wire Com 1 and Com 3
to Field Power (-) GND
Note: all Com 1 and Com 3 are internally connected.
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
COM0
O0
O1
O2
O3
O4
O5
O6
O7
COM2
O8
O9
O10
O11
O12
O13
O14
O15
COM1
COM0
COM0
COM0
COM0
COM2
COM2
COM2
COM2
COM0
COM0
COM0
COM0
COM3
COM2
COM2 COM2 COM2
Sinking outputs - wire Com 0 and Com 2 to Field Power (+) 24V dc, wire Com 1 and Com 3
to Field Power (-) GND
Note: all Com 0 and Com 2 are internally connected.
1790D-OB16 1790D-OV16
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
+24V
CH0
COM0
CH1
COM1
CH2
COM2
CH3
COM3
CH4
COM4
CH5
COM5
CH6
COM6
CH7
COM7
GND
GND
+24V
Wire pins 18 and 19 to Field Power (+) 24Vdc
Wire pins 36 and 37 to Field Power (-) GND
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
+24V
CH0
COM0
CH1
COM1
CH2
COM2
CH3
COM3
CH4
COM4
CH5
COM5
NC
NC
NC
NC
GND
GND
+24V
Wire pins 18 and 19 to Field Power (+) 24Vdc
Wire pins 36 and 37 to Field Power (-) GND
1790D-OW6 1790D-OW8X