OM-USB-TEMP-AI User's Guide
Specifications
28
Settling time: V0x-V3x
Table 12. Settling time specifications
Accuracy
Range
±0.0004%
(seconds)
±10 V
15.0
±5 V
0.40
±2.5 V
0.40
±1.25 V
0.40
Settling time is defined as the time required for a channel to settle within a specified accuracy in response to a
full-scale (FS) step input.
Analog input calibration
Table 13. Analog input calibration specifications
Parameter
Specifications
Recommended warm-up time
30 minutes minimum
Calibration
Firmware calibration
Calibration interval
1 year
+10.000 V, ±5 mV maximum. Actual measured values stored in EEPROM
Tempco: 5 ppm/°C maximum
Calibration reference
Long term stability: 30 ppm/1000 h
Throughput rate
Table 14. Throughput rate specifications
Number of Input Channels
Maximum throughput
1
2 Samples/second
2
2 S/s on each channel, 4 S/s total
3
2 S/s on each channel, 6 S/s total
4
2 S/s on each channel, 8 S/s total
5
2 S/s on each channel, 10 S/s total
6
2 S/s on each channel, 12 S/s total
7
2 S/s on each channel, 14 S/s total
8
2 S/s on each channel, 16 S/s total
Note 18:
The analog inputs are configured to run continuously. Each channel is sampled twice per second.
The maximum latency between when a sample is acquired and the voltage/temperature data is
provided by the USB unit is approximately 0.4 seconds.
