Rockwell Automation 1771-IJ_IK IK ENCODER/COUNTER MODULES - Manual (Page 23)

3–3 Installation
Publication 1771ĆUM006B-EN-P - June 2002
Figure 3.1
Connection Diagram Showing Typical 1771ĆIJ Encoder Application
Channel A
Common
Channel B
Common
Marker
Common
TTL
Output
Encoder
Not
Assigned
TTL Load
Output
TTL Load
Out put
Device
(At I/O Rack
Chassis)
5V Module
External
Power Supply
Not
Assigned
Input Device Power
+
-
- +
Limit
Switch
Output #2
Output
Return
15948
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
Ifmultiple power sources are used, maintain isolation between supplies.
12-48V dc
Power
Supply
Output #1
Note: Use a single external supply as shown here, or use an additional isolated supply as shown on figure 3.2.
Note: The module must be placed in a single module group (0-1).
dc
If you use the limit switch, you must use shielded cable such as
Belden 8761 or 9182 for cabling.