N in, Table wiring connections for the, Table wiring connections for the 1794-vhsc high – Rockwell Automation 1794-VHSC 1794 FLEX I/O Very High Speed Counter Module User Manual User Manual
Page 34
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Rockwell Automation Publication 1794-UM010D-EN-E - July 2013
Install Your FLEX I/O VHSC Module
Connections for Terminal Base 1794-TB3G or 1794-TB3GK shown
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
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
COM
6 Chassis ground
for shields
Chassis GND
Chassis GND
A
A
B
B
Z
O1
O0
O3
O2
O1
O0
O3
O2
Z
A
A
B
B
Z
Z
A
A
B
B
Z
Z
A
A
B
B
Z
Z
24V inputs
24V inputs
5V inputs
5V inputs
-V
+V
-V
+V
+24V
COM
+24V
24V DC
base power
24V DC
base power
A, A - incremental encoder input A (+5 or +24V DC)
B B - incremental encoder input B (+5 or +24V DC)
Z, Z - incremental encoder input Z (+5 or +24V DC)
O = sourcing outputs
R = returns for sourcing outputs
+V = +5 or +24V DC isolated power externally supplied for outputs (1 A max)
-V = negative isolated power connection (1 A max)
+24V DC = 24V DC terminal base power for module
COM = return for +24V DC terminal base power for module
Chassis Gnd = chassis ground for input or output cable shields
45898
Where:
Wiring connections for the 1794-VHSC High Speed Counter Module
Incremental
Encoder Input
Terminal Base Units 1794-TB3G, 1794-TB3GK,
1794-TB3GS
Channel 0
Channel 1
+24V Inputs
Input A
0
8
Input A
1
9
Input B
2
10
Input B
3
11
Input Z
4
12
Input Z
5
13
+5V Inputs
Channel 0
Channel 1
Input A
17
25
Input A
18
26
Input B
19
27