a/d/s/ iSeries manual Part Specifications

PART 4

SPECIFICATIONS

	RTD Input (ITS 68)
Accuracy	100/500/1000 Ω Pt sensor,
±0.5°C temp; 0.03% reading process	2-, 3- or 4-wire;
Resolution	0.00385 or 0.00392 curve
	Voltage Input
1°/0.1°; 10 µV process
Temperature Stability	0 to 100 mV, 0 to 1 V, 0 to 10 Vdc
	Input Impedance
1) RTD: 0.04°C/°C
2) TC @ 25°C (77°F): 0.05°C/°C	10 MΩ for 100 mV
Cold Junction Compensation	1 MΩ for 1 or 10 Vdc
3) Process: 50 ppm/°C	Current Input
NMRR 60 dB	0 to 20 mA (5 ohm load)
CMRR 120 dB	Configuration
A/D Conversion	Single-ended
	Polarity
Dual slope
Reading Rate	Unipolar
	Step Response
3 samples per second
Digital Filter	0.7 sec for 99.9%
	Decimal Selection
Programmable
	None, 0.1 for temperature
Remote Programmer Display	None, 0.1, 0.01 or 0.001 for process
(optional)	Setpoint Adjustment
4-digit, 9-segment LED, 21mm (0.83")
red, green and amber programmable	-1999 to +9999 counts
colors for process variable, set point
and temperature units	Span Adjustment
Warm up to Rated Accuracy	0.001 to 9999 counts
30 min.	Offset Adjustment
INPUT	-1999 to +9999
Input Types
Thermocouple, RTD, Analog Voltage,
Analog Current
Thermocouple Type (ITS90)
J, K, T, E, R, S, B, C, N, L
Thermocouple Lead Resistance
100 ohm max

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