Unitronics V200-18-E4XB - Page 13

6/05 V200-18-E4XB Snap-in I/O Module
Unitronics 13
Analog/ PT100/ TC Inputs
Number of inputs 4
Type of input Set via appropriate wiring and jumper settings.
Analog Inputs Power Supply
Galvanic isolation
Analog/PT/TC inputs to bus Yes
Analog/PT/TC inputs to
analog outputs
Yes
Analog /PT/TC inputs to
Analog /PT/TC inputs
No
Analog inputs
Input range 0-10V, 0-20mA , 4-20mA
Power supply See Analog I/O’s Power Supply above
Conversion method Succesive approximation
Resolution at 0-10V,
0-20mA
14-bit (16384 units). See Note 7.
Resolution at 4-20mA 3277 to 16383 (13107 units). See Note 7.
Conversion time Synchronized to cycle time
Input impedance >1MΩ—voltage
121.5Ω—current
Absolute maximum rating ±20V—voltage
±40mA—current
Full-scale error ±0.4%
Linearity error ±0.04%
Status indication Yes. See Note 8
Notes:
7. 12 or 14-bit resolution may be selected via software.
8. The analog value can indicate faults as shown below:
Value
Possible Cause
16384
Input value deviates slightly above the input range
32767
-Input value deviates greatly above or below the input range
-Power supply disconnected
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