32
Specifications
Temperature Stability: ± 0.01% of Full Scale span / ˚C change-
typical
Input Impedance:
l
0-20 / 4-20 Milliampere Input: 250 ohms
l
All Others: 10 megohms
Maximum Lead Wire Resistance:
l
Thermocouples: 50 ohms/leg
l
100 ohm, 200 ohm and 500 ohm RTD: 100 ohms/leg
l
100 ohm Low RTD: 10 ohms/leg
Slidewire Inputs for Position Proportional Control:
100 ohms minimum to 1000 ohms maximum
Analog Input
Signal Failure
Operation
Burnout Selections: Upscale, Downscale, No Failsafe or None
Thermocouple Health: Good, Failing, Failure Imminent or Failed
Failsafe Output Level: Configurable 0-100% of Output range
Analog Input Filter Software: Single pole lowpass section with selectable time
constants, off to 120 seconds, available on both analog inputs.
Stray Rejection Common Mode:
AC (50 or 60 Hz): 120 dB (with maximum source impedance of
100 ohms) or ± 1 LSB (least significant bit) whichever is greater
with line voltage applied.
DC: 120 dB (with maximum source impedance of 100 ohms) or a
±1 LSB whichever is greater with 120 Vdc applied.
DC (to 1 KHz): 80 dB (with maximum source of impedance of 100
ohms) or ±1 LSB whichever is greater with 50 Vac applied.
Normal Mode:
AC (50 or 60 Hz): 60 dB (with 100 % span peak-to-peak
maximum)
Digital Inputs
(Two) (Optional)
+30 Vdc source for external dry contacts or isolated solid state
contacts. Digital Inputs are isolated from line power, earth ground,
Chapter 3 - Installation
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