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RT318
8-channel RTD input
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| RT318 |
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Category | RTD ( Resistance Temperature Detector ) input |
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Resistance temperature | Pt100 |
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detectors |
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Measuring method |
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Load current | 1 mA |
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Temperature measurement |
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range |
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Converted data | 800 to 4000 |
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Input channel | 8 channels / module |
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Insulation | ||||||||
Conversion rate | 400 ms / 8 channels |
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Resolution | 12 bits / 0.025 % | ( 0.1 °C / count ) |
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Wire resistance correction | Within 4Ω |
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range |
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Overall accuracy | ±0.3 % (at 25 °C) |
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Tepaerature drift | ±100 ppm / °C |
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Internal current consumption | 5 Vdc, 600 mA or less |
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Insulation resistance | 10 MΩ (500 Vdc) |
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Withstand voltage | 500 Vac, 1 minutes ( between internal and external circuits) | |||||||
Weight |
| 500 g |
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Internal circuit |
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| 1 mA Current source |
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| 1 mA |
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| AMP |
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| 1A |
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| ADC | PC |
| Buffer memory |
CH1 | 1B |
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| Internalcircuit | |||
1C | Rref | Multiplexer |
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| 1G | Wire break |
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| AG |
| PC | |||||
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| detection | ||||||
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| 8A |
| Inputfilter |
| 5 Vdc | |||
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| +15V |
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CH8 | 8B |
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| DC/DC |
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8C | Rref |
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| 8G |
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| AG |
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| 0V |
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| PC : |
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