Rockwell Automation 2092-DAx Ultra1500 User Manual - Manual (Page 40)

Publication 2092-UM001D-EN-P — July 2005
2-10 Ultra1500 Connector Data
Analog Inputs
The Ultra1500 has two single-ended analog inputs. One is dedicated as the
command input for Analog Velocity mode, and the second is dedicated as the
command input for Analog Current mode. The two inputs are identical, and
Figure 2.6 shows the configuration of the analog input.
Figure 2.6
Analog Input Configuration
The following table provides a description of the analog input specifications.
Parameter Description Minimum Maximum
VCMD
Resolution
Number of states that the input signal is divided into
[which is 2
(to the number of bits)
].
16 bits —
ICMD
Resolution
12 bits —
Input
Impedance Open circuit impedance measured between the
positive (+) input and analog common.
19 k Ω —
Input Signal
Range
Voltage applied to the input -10V +10V
4.7 k Ω
VCMD-
VCMD+
Logic Ground
4.7 k Ω 4.7 k Ω
0.01 µF 4.7 k Ω
TL072
+
-
+12V -12V
Ultra1500 Drive