Specifications

Chapter 11 - Adept Joint Interface Module(VJI)
134 Adept MV Controller User’s Guide, Rev C
11.4 Belt Encoder Interface
For use with conveyor tracking, the VJI module supports two independent external belt
encoders through a single, female, 15 pin D-sub connector. The pin assignments for the
“Belt Encoder” connector are shown in Table 11-3. See Figure 11-2 for a typical input
circuit drawing. Adept strongly recommends using differential encoders outputs for
maximum noise immunity. See the V
+
Language User’s Guide for more information on
setting up and programming a conveyor tracking application.
a
User-supplied pull up (used for single-ended encoders only)
Table 11-2. VMEBus Address Settings for Multiple Servo Board Systems
First Board
Address
Second Board
Address
Third Board
Address
Fourth Board
Address
2 MI6 1 – MI6 2 – MI6
1 VJI plus 1 MI6 1 – VJI 3 – MI6
2 VJI 1 – VJI 2 – VJI
2 VJI plus 1 MI6 1 – VJI 3 – VJI 5 – MI6
2 VJI plus 2 MI6 1 – VJI 3 – VJI 5 – MI6 6 – MI6
Table 11-3. Belt Encoder Connector Pin Assignments
Channel 1 Channel 2
Pin Locations
Signal Pin Signal Pin
A+ 9 A+ 13
Figure 11-1. VJI Belt
Encoder Connector Pinout
A– 2 A– 6
B+ 10 B+ 14
B– 3 B– 7
I+ 11 I+ 15
I– 4 I– 8
Pull up
a
1
Pull up
a
1
Encoder power out 5 Encoder power out 5
Encoder ground 12 Encoder ground 12
Pin 8
Pin 1
Pin 15
Pin 9
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