Honeywell VRX180 Analog Input Accuracy--Linear types, Analog input accuracy and rated limits

Introduction

Table 1-1 Specifications (continued)

Analog input accuracy and rated limits

Accuracy	Reference conditions	Temperature = 23°C ±	2°C (73°F ± 3°F)
		Humidity = 65% RH ±	5%
		Line voltage = Nominal ±		1%
		Source resistance = 0 ohm
		Series mode and common mode = 0 V
		Frequency = Nominal ± 1%
	Accuracy	Field calibration accuracy 0.05% of the selected range (IEC 873)
		Factory calibration: 0.1%
		Cold junction accuracy: ±		0.5°C
Rated limits and	Parameters	Rated limits			Influence on accuracy
associated drifts
	Temperature	0 to 50°C (32 to 120 °F)			0.15% per 10°C of change (See
					Note A)
					Cold junction 0.3°C/10°C
	Supply voltage	85 to 250 V			No influence
	Source resistance	T/C, mV			6 µV per 400 Ohms of line
					resistance max. = 1000 Ohms
		RTD			0.1°C per Ohm in each wire
					balanced leads
					40 Ohms max. (from 0 to 400°C)
	Humidity	10 to 90% RH at 25°C			0.1% max.
	Long-term stability				0.1% per year

Table 1-2 Analog Input Accuracy--Linear types

Millivolts	Volts	Current	Ohms
0 to 10 mV	0 to 1 V	0, 20 mA	0 to 200
-10, +10 mV	-1, 0, 1 V	4, 20 mA	0 to 2000
0 to 20 mV	0 to 2 V
-20, 0, +20 mV	-2, 0, +2 V
0, 50 mV	0 to 5 V
-50, 0, +50 mV	-5, 0, +5 V
10 to 50 mV	1 to 5 V
0 to 100 mV	0 to 10 V
-100, 0, +100 mV	-10, 0, +10 V
0 to 500 mV
-500, 0, +500 mV

NOTE:

- The mA inputs must be connected to a 250 ohms resistor across the input terminals.

Video Recorder - User Manual 7