Underrange (index 0x6000:01 / 0x6010:01), Overrange (index 0x6000:02 / 0x6010:02)
Underrange and overrange of the measuring range
- Overrange, Pt100: T > 850 °C (R > 400 Ω):
The bits in index 0x6000:02 / 0x6010:02 (overrange bit) and index 0x6000:07 / 0x6010:07 (error bit) are set. The linearization of the characteristic curve is continued with the coefficients of the upper range limit up to the limit stop of the A/D converter (approx. 500 Ω for PT100). - Underrange, Pt100: T < - 200°C (R < 18 Ω):
The bits in index 0x6000:01 / 0x6010:01 (underrange bit) and index 0x6000:07 / 0x6010:07 (error bit) are set. The smallest negative number is displayed (0x8001 corresponds to -32767).
For overrange or underrange the red error LED is switched on.