Unitronics V200-18-E3XB - Page 13

6/05 V200-18-E3XB Snap-in I/O Module
Unitronics 13
Analog I/O’s Power Supply
Nominal operating voltage 24VDC
Operating voltage 20.4 to 28.8VDC
Quiescent current 70mA@24VDC
Max. current consumption 130mA@24VDC
Galvanic isolation
Analog power supply to bus Yes
Analog power supply to
analog inputs
Yes
Analog power supply to
analog outputs
Yes
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 6.
Resolution at 4-20mA 3277 to 16384 (13107 units). See Note 6.
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 7.
Notes:
6.
12 or 14-bit resolution may be selected via softw
are.
7.
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