Instruction Manual
54 Appendices
Appendix D: Input Characteristics
Analog Voltage Inputs
Suitable for : Potentiometers, Voltage output sensors & Variable resistance
sensors with a pullup resistor
Measurement Voltage Range :
Inputs 1 to 4 & 11 to 14: 0 to 5.5 V
All other Inputs: 0 to 15.3 V
• Note that voltages outside this range may affect the readings on
other inputs.
Input Resistance : 100k ohms to 0V
Resolution :
Inputs 1 to 4 & 11 to 14: 1.35 mV
All other Inputs: 3.74 mV
Measurement Methods : Ratiometric, Absolute, Variable Resistance, Off/On
Update Rate (Inputs 1 to 4 & 11 to 14) : 1000 times / second
Update Rate (Other inputs) : 500 times / second
Filter: 150Hz 1
st
order
Calibration Accuracy
Gain (Ratiometric operation) 0.05% max
Gain (Absolute operation) 0.15% max
Offset ± 6 mV max
Linearity ± 6 mV max
Temperature Stability 60 ppm/°C max
Calibration Schedule 12 Months
Analog Temp Inputs
Suitable for : 2 wire variable resistance sensors and some voltage output
sensors.