Unitronics V200-18-E3XBW - Page 14

V200-18-E3XBW Snap-in I/O Module
14 Unitronics
PT100 inputs
Input range
-200 to 600°C/-328 to 1100°F. 1 to 320V. See Note 8.
Conversion method Voltage to frequency
Resolution
0.1°C/0.1°F
Conversion time 200mS minimum per channel, depending on software filter type
Input impedance >10MV
Auxillary current for PT100 150µA typical
Full-scale error ±0.4%
Linearity error ±0.04%
Status indication Yes. See Note 9.
Notes:
8. The device can also measure resistance with the range of 1-320 V at a resolution of 0.1 V.
9. The analog value can indicate faults as shown below:
Value
Possible Cause
32767 - Sensor is not connected to input
- Value exceeds permissible range
- Power supply disconnected
-32767 Sensor is short-circuited
Thermocouple inputs
Input range As shown in the table on page 15. See Note 10.
Conversion method Voltage to frequency
Resolution
0.1°C/0.1°F maximum
Conversion time 100mS minimum per channel, depending on software filter type
Input impedance >10MV
Cold junction compensation Local, automatic
Cold junction compensation
error
±1.5°C / ±2.7°F maximum
Absolute maximum rating ±0.6VDC
Full-scale error ±0.4%
Linearity error ±0.04%
Warm-up time
½ hour typically, ±1°C/±1.8°F repeatability
Status indication Yes. See Note 11.
Notes:
10. The device can also measure voltage within the range of -5 to 56mV, at a resolution of 0.01mV.
The device can also measure raw value frequency at a resolution of 14-bits(16384)
11. The analog value can indicate faults as shown below:
Value
Possible Cause
32767 - Sensor is not connected to input
- Sensor value exceeds the maximum value
- Power supply disconnected
-32767 Sensor value is under the minimum value