A-2 compact™ io isolated rtd/resistance module – Spectrum Controls 1769sc-IR6I User Manual
Page 50
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A-2
Compact™ IO Isolated RTD/Resistance Module
User’s Manual Pub. 0300241-01 Rev. A
Fast Transient Burst
(IEC61000-4-4)
4 kV
Surge Immunity
(IEC61000-4-5)
2 kV Line - Line, 4 kV Line - Gnd
Conducted Immunity
(IEC61000-4-6)
10V, 0.15 to 80 MHz
Fault detection
Open circuit detection, over-range and under-range error bits.
Open circuit detection time is equal to the channel update time.
CMRR
>100 dB at 50 Hz (4.17 Hz, 10 Hz, 16.7 Hz filter)
>100 dB at 60 Hz (4.17 Hz, 10 Hz, 19.6 Hz filter)
NMRR
>65 dB at 50 Hz (4.17 Hz, 10 Hz, 16.7 Hz filter)
>65 dB at 60 Hz (4.17 Hz, 10 Hz, 19.6Hz filter)
Input Impedance
> 500k ohms
Calibrated Accuracy
8
Accuracy 25˚C
+/- 0.5˚C for Platinum 385
+/- 0.4˚C for Platinum 3916
+/- 0.2˚C for Nickel
+/- 0.3˚C for Nickel-Iron
+/- 0.6˚C for Copper
+/- 0.15 ohms for 150 ohm range
+/- 0.5 ohms for 500 ohm range
+/- 1.0 ohms for 1000 ohm range
+/- 1.5 ohms for 3000 ohm range
Accuracy 0˚C to 60˚C
+/- 0.9˚C for Platinum 385
+/- 0.8˚C for Platinum 3916
+/- 0.4˚C for Nickel
+/- 0.5˚C for Nickel-Iron
+/- 1.1˚C for Copper
+/- 0.25 ohms for 150 ohm range
+/- 0.8 ohms for 500 ohm range
+/- 1.5 ohms for 1000 ohm range
+/- 2.5 ohms for 3000 ohm range
Repeatability (at 25
°C)
9
4.17 Hz and 10Hz filter
+/- 0.2
°C for Platinum 385
+/- 0.2
°C for Platinum 3916
+/- 0.1
°C for Nickel
+/- 0.1
°C for Nickel-Iron
+/- 0.2
°C for Copper
+/- 0.04 ohms for 150 ohm range
+/- 0.2 ohms/
°C for 500 ohm range
+/- 0.2 ohms/
°C for 1000 ohm range
+/- 0.2 ohms/
°C for 3000 ohm range
Data formats
Eng units, Eng units X10, Scaled for PID, Prop. Counts, Percent of Full Scale
Input Filter
4.17 Hz, 10 Hz, 16.7 Hz, 19.6 Hz, 62 Hz and 470 Hz
Channel Update Time
See Module Update Time on page 4-8
Module or Single Channel
Minimum
4 ms with 470 Hz filter, lead compensation disabled
10ms with 470 Hz, lead compensation enabled
Module or Single Channel Max
242 ms with 4.17 Hz filter, lead compensation disabled
964 ms with 4.17 Hz filter, lead compensation enabled
8
Accuracy is dependent on the ADC frequency selection, data format, and input noise.
9
Repeatability for:
16.7 Hz filter is 2X the repeatability of the 4.17Hz filter
19.6 Hz filter is 2X the repeatability of the 4.17Hz filter
62 Hz filter is 4X the repeatability of the 4.17Hz filter
470 Hz filter is 10X the repeatability of the 4.17Hz filter