User Manual

3
Publication 1794-IN124A-EN-P - January 2009
1794-TB2, -TB3 and -TB3S Terminal Base Wiring for 1794-OB8EPXT and
1794-OB16PXT
1794-TBN Terminal Base Wiring for the 1794-OB8EPXT
1794-TB3 and -TB3S Terminal Base Wiring for 1794-IB16XT
Wiring Connections for the 1794-OB16PXT (use with 1794-TB2, -TB3, or
-TB3S Terminal Base Units)
Output Output Terminal Common Terminal
Output 0 A-0 B-17
Output 1 A-1 B-18
Output 2 A-2 B-19
Output 3 A-3 B-20
Output 4 A-4 B-21
Output 5 A-5 B-22
Output 6 A-6 B-23
Output 7 A-7 B-24
Output 8 A-8 B-25
Output 9 A-9 B-26
Output 10 A-10 B-27
Output 11 A-11 B-28
Output 12 A-12 B-29
Output 13 A-13 B-30
Output 14 A-14 B-31
Output 15 A-15 B-32
+V dc C-34 thru C-51 (C-34 and C-51 for 1794-TB2)
Common B-16 thru B-33
Wiring Connections for the 1794-OB8EPXT
Output 1794-TB2, -TB3, TB3S 1794-TBN
Output
Terminal
Common
Terminal
(1)
(1)
1794-TB2, -TB3, -TB3S - A-1, A-3, A-5, A-7, A-9, A-11, A-13 and A-15 are connected together
inside the module to 24V DC common.
Output
Terminal
Common
Terminal
(2)
(2)
1794-TBN - C-1, C-3, C-5, C-7, C-9, C-11, C-13 and C-15 are connected together inside the module
to 24V DC common.
Output 0 A-0 A-1/B-17 B-0 C-1
Output 1 A-2 A-3/B-18 B-2 C-3
Output 2 A-4 A-5/B-19 B-4 C-5
Output 3 A-6 A-7/B-20 B-6 C-7
Output 4 A-8 A-9/B-21 B-8 C-9
Output 5 A-10 A-11/B-22 B-10 C-11
Output 6 A-12 A-13/B-23 B-12 C-13
Output 7 A-14 A-15/B-24 B-14 C-15
+V dc C-34 thru C-51 (C-34 and C-51 for 1794-TB2, -TBN)
Common B-16 thru B-33 (B-16 and B-33 for 1794-TBN)
Wiring Connections for 1794-IB16XT (use with 1794-TB3 or -TB3S Terminal
Base Units)
Input Input Terminal Voltage Terminal
Common Terminal
(1)
(1)
3-wire devices use input, supply and common; 2-wire devices use input and supply
Input 0 A-0 C-35 B-17
Input 1 A-1 C-36 B-18
Input 2 A-2 C-37 B-19
Input 3 A-3 C-38 B-20
Input 4 A-4 C-39 B-21
Input 5 A-5 C-40 B-22
Input 6 A-6 C-41 B-23
Input 7 A-7 C-42 B-24
Input 8 A-8 C-43 B-25
Input 9 A-9 C-44 B-26
Input 10 A-10 C-45 B-27
Input 11 A-11 C-46 B-28
Input 12 A-12 C-47 B-29
Input 13 A-13 C-48 B-30
Input 14 A-14 C-49 B-31
Input 15 A-15 C-50 B-32
+V dc C-34 thru C-51
Common B-16 thru B-33
Wiring Connections for the 1794-IB10XOB6XT
Input
(1)
(1)
Two wire input devices use signal and supply terminals. Three wire devices use signal,
return and supply terminals.
Signal Return Supply
Sink Input
Input 0 A-0 B-17 C-35
Input 1 A-1 B-18 C-36
Input 2 A-2 B-19 C-37
Input 3 A-3 B-20 C-38
Input 4 A-4 B-21 C-39
Input 5 A-5 B-22 C-40
Input 6 A-6 B-23 C-41
Input 7 A-7 B-24 C-42
Input 8 A-8 B-25 C-43
Input 9 A-9 B-26 C-44
Source Output
Output 0 A-10 B-27
Output 1 A-11 B-28
Output 2 A-12 B-29
Output 3 A-13 B-30
Output 4 A-14 B-31
Output 5 A-15 B-32
+V dc C-34 thru C-51 (internally connected together)
Common B-16 thru B-33 (internally connected together)
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
16
35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
34
Outputs
Commons
(1794-TB3 shown)
Connect -V (Supply Common) to terminal B-16
Connect +V (Supply +Voltage) to terminal C-34
-V
Voltage
In +V
Voltage
Out +V
Voltage
Terminals 35 thru 50 not available on 1794-TB2
A
B
C
Common
-V
Common
(Use B-33 and C-51 for daisy-chaining to next terminal base unit.)
Total current draw through the terminal base is limited to 10A. Separate power
connections to each terminal base may be necessary.
16
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
51
33
34
+V
COM
+V
COM
B
C
Even Numbered I/O Terminals 0 thru 14
Odd Numbered I/O Terminals 1 thru 15
Connect -V (Supply Common) to terminal B-16
Connect +V (Supply +Voltage) to terminal C-34
(Use B-33 and C-51 for daisy-chaining to next terminal base unit.)
Total current draw through the terminal base is limited to 10A. Separate powe
r
connections to each terminal base may be necessary.
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
16
35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
34
Inputs
Commons
(1794-TB3 shown)
Connect V common to terminals B-16
Connect +V to terminal C-34
-V
Voltage
In +V
Voltage
Out +V
Voltage
A
B
C
Common
-V
Common
Use B-33 and C-51 to daisy-chaining to the next terminal base unit