UMAX130511 Version 1.00A Preliminary Documentation
– May be subject to change
A-1
APPENDIX A - TECHNICAL SPECIFICATION
Power Supply
Power Supply Input
12 Vdc or 24 Vdc nominal
9
…36 Vdc power supply range
Shutdown voltage is 8.0 Vdc.
Protection
Reverse polarity protection
Overvoltage protection is up to 45 V.
Inputs
Inputs
2 Universal Signal Inputs
User programmable as Voltage, Current, Resistive, Frequency, RPM, PWM or Digital
signal inputs types.
Refer to Table 1.0.
Table 1.0
–User Programmable Universal Inputs
Analog & Digital Input
Functions
Voltage Input, Current Input, Resistive Input or Digital Input
12 bit Analog to Digital
Voltage Input
0-5 V (Impedance
110 kΩ)
0-10 V (Impedance 130
kΩ))
+/- 5V (Impedance 110 K
Ω)
+/- 10V (Impedance 130 K
Ω)
Current Input
0-
200 mA (Impedance 5 Ω); 1V max.
0-20 mA (Impedance
249 Ω)
4-20 mA (Impedance 249
Ω)
Resistive
20 Ohms to 250 kOhms
Self-calibrating
Digital Input Level
Accepts 5 V TTL
Accepts up to Vps
Threshold: Low <1 V
High >2.2 V
Normal, Inverse or Latched
10kΩ Pull up/Pull down
Digital Input
Active High or Active Low
with 10 kOhm pull-up or pull-down
Timer Input Functions
PWM Input, Frequency Input, RPM Input
15-bit Timer
PWM Input
Low Frequency (10 Hz to 1 kHz)
High Frequency (100 Hz to 10 kHz)
0 to 100% D.C.
Frequency/RPM Input
0.5 Hz to 50 Hz;
10 Hz to 1 kHz; or
100 Hz to 10 kHz
1 to 99% D.C.
Maximum and Minimum
Ratings
Characteristic
Min
Max
Units
Power Supply
9
36
V dc
Voltage Input
0
36
V dc
Current Input 0(4)-20 mA
0
12
Vdc
Current Input 0-200 mA
0
1V
Vdc
Resistive Input
30
250 000
Ω
Digital Input
0
36
Vdc
PWM Duty Cycle
0
100
%
PWM Frequency
100
10 000
Hz
PWM Voltage pk - pk
0
36
V dc
RPM Frequency
0.5
10 000
Hz
Input Grounds
1 provided
Protection
All inputs are protected against short to GND.
All inputs, except current inputs, are protected against shorts to Nominal Vps (36Vdc).