
2–12
How to Install Your Pulse Counter Module
Publication 1794-6.5.16 – September 1998
Wiring connections for the 1794–IP4 Pulse Counter Module
Channel
Terminal Base Units
1794–TB3, –TB3S
Terminal Base Units
1794–TBN, –TBNF
1
Channel
Signal
0V dc
12/24V dc
Signal
Input
16–bit Period Time Measurement and 16-bit Accumulating Counter
0
N+
0
17
35
0
N–
1
18
36
1
1
N+
2
19
37
2
N–
3
20
38
3
2
N+
4
21
39
4
N–
5
22
40
5
3
N+
6
23
41
6
N–
7
24
42
7
32–bit Period Time Measurement
0
D+
8
25
43
8
D–
9
26
44
9
1
D+
10
27
45
10
D–
11
28
46
11
2
D+
12
29
47
12
D–
13
30
48
13
3
D+
14
31
49
14
D–
15
32
50
15
0V dc
Terminals 16 and 33 (1794–TB2)
Terminals 16 thru 33 (1794-TB3, -TB3S)
Terminals 16 and 33
12/24V dc
Terminals 34 thru 51 (1794–TB3, –3S)
Terminals 34 and 51
1 Auxiliary terminal blocks are required when using these terminal base units.
!
ATTENTION: Total current draw through the
terminal base unit is limited to 10A. Separate power
connections to the terminal base unit may be necessary.