
16 Technical specifications
16.2. Multiplexed inputs
16.2.1.General characteristics |
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Number of inputs per module: 12 |
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Inputs type differential non isolated |
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Impedance: |
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Impedance > 10 M for ranges 2 V |
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Impedance = 2 M for any other range |
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Maximum possible voltages: |
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Between a measure channel and the ground: | 48 V DC | |
Between the 2 terminals of a channel: | 48 V DC | |
Maximal common mode voltages : |
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3 V for ranges 2 V |
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50 V for any other range |
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Type of measurements: |
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Voltage, current (by external shunt) |
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Thermocouple J, K, T, S, B, N, E, W5 |
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PT100 2, 3 or 4 wires |
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16.2.2.Voltage recording |
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Maximum range | 50 V |
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Minimum range | 1 mV |
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Offset | Adjustment of the centre by software | |
Accuracy | 0.1% of the full scale, | 10 V, 0.1% of the offset |
Offset drift | 100 ppm/ C 1 V/ C |
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16.2.3.RMS recording |
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RMS calculation by software |
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Resolution | 200 s |
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Maximum frequency | 500 Hz |
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Crest factor | 2.2 |
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Accuracy | 1 % (wave signal) |
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Response time | typical. 100 ms |
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