User manual

Publication CIG-WD001B-EN-P - May 2005
1794 FLEX I/O Modules 19-9
TB3T, TB3TS TB3T, TB3TS
Channel Signal
Ty pe
Input
Terminals
Common Terminals Shield Channel Signal
Ty pe
Input
Terminals
Common Terminals Shield
0
Current A-0 B-17 B-17 C-39
4
Current A-8 B-25 B-25 C-43
Voltage A-1 B-18 B-17 C-39 Voltage A-9 B-26 B-25 C-43
1
Current A-2 B-19 B-19 C-40
5
Current A-10 B-27 B-27 C-44
Voltage A-3 B-20 B-19 C-40 Voltage A-11 B-28 B-27 C-44
2
Current A-4 B-21 B-21 C-41
6
Current A-12 B-29 B-29 C-45
Voltage A-5 B-22 B-21 C-41 Voltage A-13 B-30 B-39 C-45
3
Current A-6 B-23 B-23 C-42
7
Current A-14 B-31 B-31 C-46
Voltage A-7 B-24 B-23 C-42 Voltage A-15 B-32 B-31 C-46
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
1716 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
51
50
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0-15
16-33
34-51
A
B
C
!
Only connect either a voltage input or a current input per channel, not both.
To reduce susceptibility to noise, power analog and digital modules from
separate power supplies. Do not exceed a length of 3M (9.8 ft) for DC
power cabling.
ATTENTION
1794-TB2, 1794-TB3, 1794-TB3K, 1794-TB3S, 1794-TB3T, 1794-TB3TS
Terminals 35 through 50 are not used on 1794-TB2
+V dc Power for 1794-TB2: C-34 and C-51;
+V dc Power for 1794-TB3, TB3K and TB3S: C-34 through C-51
+V dc Power for 1794-TB3T and -TB3TS: C-34, 35, 50 and 51
Connect any signal wiring shields to functional ground as near as possible to the module when using the 1794-TB2, -TB3, -TB3K, and -TB3S. With the
1794-TB3T and -TB3TS, use terminals C-39 through C-46.
Connect +V to C-34
Connect +V common to B-16
Use B-33 and C-51 for daisy-chaining to the next terminal base unit.
Common for 1794-TB2, -TB3S: B-16 through B-33
Common for 1794-TB3T and -TB3TS: B-16, 17, 19, 21, 23, 25, 27, 29, 31
and 33
TB2, TB3,
TB3K, TB3S,
TB3T, TB3TS
TB2, TB3,
TB3K, TB3S
TB2, TB3,
TB3K, TB3S,
TB3T, TB3TS
TB2, TB3,
TB3K, TB3S
1794-IE8, 1794-IE8K
17 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 33
0 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5
16
35 3 6 3 7 3 8 3 9 4 0 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 5 0 5 1
34
(1794-TB3G shown)
+V COM
24C dc
Supply In
+V COM
24C dc
Supply Out
+24V dc = Terminals C-34 and C-50
COM = C-35 and C-51
A
B
C
For daisy-chaining: Supply in - C-34 (+) and C-35 (-)
Supply out - C-50 (+) and C-51 (-)
NC = No connection
NC NC
+
_
+
_
+
_
+
_
+
_
+
_
+
_
+
_
Ch0 Ch1 Ch3
Ch5
Ch2
Ch4 Ch6 Ch7
1794-TB3G, -TB3GK, -TB3GS
Inp ut Input
Source
In put
Signal
Input
Retu rn
Input In put
So ur ce
Input
Signal
Input
Return
Input 0 A-0 A-1 A-2 Input 4 B-17 B-18 B-19
Input 1 A-4 A-5 A-6 Input 5 B-21 B-20 B-23
Input 2 A-8 A-9 A-10 Input 6 B-25 B-26 B-27
Input 3 A-12 A-13 A-14 Input 7 B-29 B-30 B-31
+V Terminals 34 and 50
-V
Terminals 35 and 51
1794-IE8H