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The ANALOG4 module comprises four fully isolated analog input channels each with a digital alarm output. All channels may be individually configured to accept any of the input types. Cold junction compensation is automatically calculated for channels configured as thermocouple inputs. |
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ANALOG4
Four channel isolated analog input module
Specification |
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Isolation |
500V DC, channel to channel |
Number of Channels |
4 |
Input Ranges: |
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Voltage |
+/- 51.2 mV, +/-512mV, +/-10.24V |
Current |
4-20mA |
PRT100 ( 3 wire ) |
-150 + 150ºC |
Thermocouple |
J -50 + 850ºC |
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K -100 + 1250ºC |
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R -50 + 1650ºC |
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S -50 +1600ºC |
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T -100 + 400ºC |
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B +600 +1650ºC |
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E -100 + 650ºC |
Input Protection |
30V pk-pk |
Input Impedance |
4.5x107 Ohm (10K Ohm to supply rail in over voltage condition) |
Sampling rate |
40/sec (10x4 channels in parallel) |
Converter Type |
16 bit multiple slope integrating ADC, per channel |
Accuracy |
+/- 0.025% or better |
Zero Drift |
Auto zero compensated |
CMR |
120 dB |
Gain Drift |
25ppm |
Alarm Outputs |
Logic 1 < 1V @10mA Logic 0 > 3V (12 V max) |
PRT100 Excitation |
1mA @ 5V |
Power Consumption |
3 Watts |
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