Rockwell Automation 1395 Digital Reference Adapter Board - Manual (Page 56)

Chapter 6
StartĆUp
6-10
Figure 6.5
Example: Analog Output - Speed Indication 0 to 10V range = ± 100% speed
SCALE
P575 = 0.25
A
D
Offset
P576 = 0.25
+4096
0
-4096
+2048
+1024
0
Digital Range
from Drive
4096 = 100%
or 1 per unit
Example 1:
+ 100 B. Speed
-4096 to + 4096
-4096
-1024
+1024
0
0 Volts
-100%
-100%
B. Spd
Scale by 0.25
Offset by 5V
adding 1024
Digital Value
Meter Voltage
% Base Speed
+1024
0
-1024
0V 5V 10V
100%
0
0
+1024
1024
5 Volts
0
+10V = +100% Base Speed
+5V = 0 Spd
0V = -100% Base Speed
0 +10V
4096
+1024
+1024
+2048
+10 Volts
+100
+100%
B. Spd