44 Appendices
Analogue Temp Inputs
Suitable for: 2 wire variable resistance sensors some voltage
output sensors
Measure Voltage Range: 0 to 15.0 V
Note: Voltages outside this range may affect the
readings on other inputs.
Input Resistance: 1000 ohms pull-up to 5 V sensor supply
+100 k to 0 V
Resolution: 3.66 mV
Measurement Methods: Ratiometric
Absolute
Variable Resistance
Off/On
Update Rate: 1000 times / second
Filter: 290 Hz 1
st
order
Calibration Accuracy:
Gain: 0.05% max (Ratiometric method)
Gain: 0.15% max (Absolute method)
Offset: ± 6 mV max
Linearity: ± 6 mV max
Temperature Stability: 60 ppm/°C max
Calibration Schedule: 12 months
Switch Inputs
Suitable for: Switch to 0 V
Off/On Voltage signal
Pull-up Resistor: 2200 ohms to 3.3 V
Voltage Range: 0 to 15 V
Positive Trigger Threshold: 2.4 V max
Negative Threshold: 0.6 V min
Hysteresis: 0.4 V Min
Measurement Methods: Off/On only
Filter Time Constant: 22 usec
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