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UMAX130511 Version 1.00A Preliminary Documentation
– May be subject to change
A-2
Input Accuracy and
Resolution
Input Type
Input Range
Accuracy
Resolution
Voltage
0-5V
+/- 0.5%
1 mV
0-10V
+/- 0.5%
1 mV
-5V to 5V
+/- 0.5%
1 mV
-10V to 10V
+/- 0.5%
1 mV
Current
0(4)-20mA
+/-1%
1 µA
0-200mA
+/-1%
1 µA
Resistive
30-
250kΩ
+/-1%
1 Ω for lower
ranges
1 kΩ for higher
ranges
Frequency
0.5Hz-50Hz
+/-0.3%
0.01 Hz
10Hz-1kHz
+/-0.3%
0.1 Hz
100Hz-10kHz
+/-0.3%
1 Hz
PWM
Low Frequency
+/-0.1%
0.01%
High Frequency
+/-0.1%
0.01%
Outputs
Outputs
2 Signal Outputs
Voltage, Current or Digital
The outputs are user selectable as follows. Refer to Table 2.0.
Table 2.0: Programmable Outputs
Analog Voltage or
Current Outputs:
Voltage Output:
0-5 Vdc, 0-10 Vdc, +/- 5Vdc or +/- 10Vdc
Maximum load is 50 mA.
Current Output:
0-20 mA or 4-20 mA
Maximum load resistance is < 500 Ohms.
Compliance Voltage is 10V.
PWM, Frequency or
Mixed
PWM/Frequency
Output:
0.1 Hz to 50 kHz
0-100% D.C.
5 V or 12 V Amplitude
Push pull output
Maximum load is 50 mA.
Over-current protection (50 mA)
Digital Output:
Digital Level
Digital ON/OFF
5 V or 12 V Amplitude
Maximum load is 50 mA.
Output Accuracy and
Resolution
Output
Type
Output Range
Output
Accuracy
Output
Resolution
Output
Feedback
Accuracy
Voltage
0-5V
+/- 0.5%
1.2 mV
+/- 1%
0-10V
+/- 0.5%
2.44 mV
+/- 1%
+/- 5Vdc
+/- 0.5%
2.44 mV
+/- 1%
+/- 10Vdc
+/- 0.5%
4.88 mV
+/- 1%
Current
0(4)-20mA
+/- 0.5%
4.88 µA
+/- 2%
Digital
On/Off
N/A
N/A
N/A
Frequency
0.1Hz-50kHz
+/- 0.1%
0.01
– 40 Hz
+/- 0.5%
PWM
Low Frequency
+/- 0.5%
0.01%
+/- 0.8%
High Frequency
+/- 0.5%
0.01%
+/- 0.8%
Voltage Reference
+5V, 50 mA
Ground is shared with Input Grounds.
Protection for Output
Terminals
Fully protected against short circuit to output ground.
Unit will fail safe in the case of a short circuit condition, self-recovering when the short is
removed.
General Specifications
Microprocessor
STM32F205VGT
Isolation
300 Vrms
4-way Digital Isolation (Power, Inputs, Outputs and CAN are isolated from each other.)
Typical Quiescent Current
150 mA @ 12Vdc; 75 mA @ 24Vdc
Response Time
30 milliseconds
Control Logic
Standard embedded software is provided.
(Application-specific control logic or a set point file is available on request.)