Campbell CR9000X, Инструкция по эксплуатации

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Overview
OV-16
CR9050(E) and CR9051E ANALOG
INPUT MODULE with RTD
INPUT CHANNELS PER MODULE: 14 differential
or 28 single-ended.
RANGE AND RESOLUTION:
Max
Input Resolution Input Sample
Range (1 A/D count) Noise Rates
(mV) (µV) (µV RMS) (kHz)
±5000 158.0 105 100
±1000 32.0 35 100
±200 6.3 7 50
±50 1.6 4 50
Input
Range Input Noise (µV RMS)
(mV) CR9050(E) CR9051E
±5000 105 130
±1000 35 35
±200 7 7
±50 4 4
Note: Measurement averaging provides lower
noise and better resolution.
ACCURACY OF VOLTAGE MEASUREMENTS:
Single-Ended & Differential:
±(0.07% of r 4 A/D counts) -25° to +50°C
±(0.14% of r 4 A/D counts) -40° to +70°C
Dual Differential:
(two measurements with input polarity reversed)
±(0.07% of r 1 A/D count) -25° to +50°C
±(0.14% of r 1 A/D count) -40° to +70°C
COMMON MODE RANGE: ±5 V
DC COMMON MODE REJECTION: >120 dB
INPUT RESISTANCE: 2.5 gigaohms typical
MAXIMUM INPUT VOLTAGE WITHOUT
DAMAGE: ±20 V CR9050(E), -40 to +50 V CR9051E
TYPICAL CURRENT DRAIN: 25 mA active
Resistance & Conductivity Measurements
(Also requires 9060 Excitation Module)
ACCURACY: ± (0.04% of r 2 A/D counts)
limited by accuracy of external bridge
resistors.
MEASUREMENT TYPES: 6-wire and 4-wire full
bridge, 4-wire, 3-wire, and 2-wire half bridge.
Uses excitation reversal to remove thermal
EMF errors.
CR9052DC ANTI-ALIAS FILTER MODULE
Refer to the CR9052DC documentation
CR9055(E) 50 V-ANALOG
INPUT MODULE
INPUT CHANNELS PER MODULE: 14 differential
or 28 single-ended.
RANGE AND RESOLUTION:
Max
Input Resolution Input Sample
Range (1 A/D count) Noise Rates
(V) (µV) (µV RMS) (kHz)
±50 1580 1050 100
±10 320 350 100
±2 63 85 50
±0.5 16 60 50
Note: Measurement averaging provides lower
noise and better resolution.
ACCURACY OF VOLTAGE MEASUREMENTS:
Single-Ended & Differential:
±(0.1% of r 4 A/D counts) -25° to +50°C
±(0.2% of r 4 A/D counts) -40° to +70°C
Dual Differential:
(two measurements with input polarity reversed)
±(0.1% of r 1 A/D count) -25° to +50°C
±(0.2% of r 1 A/D counts) -40° to +70°C
COMMON MODE RANGE: ±50 V
DC COMMON MODE REJECTION: >62 dB
INPUT RESISTANCE: 100 kohms typical
MAXIMUM INPUT VOLTAGE WITHOUT
DAMAGE: ±150 V
TYPICAL CURRENT DRAIN: 15 mA active
CR9058E ISOLATION MODULE
INPUT CHANNELS PER MODULE: 10 isolated, differ-
ential; each channel has its own isolation ground for
shielded cable connection.
RANGE, RESOLUTION, AND INPUT RESISTANCE:
Input Resolution Resolution Input
Range w/o Averaging w/ Averaging Resistance
(Vdc) (µV) (µV) (kohms)
±2 ±10 ±2 10,000
±20 ±100 ±20 88.9
±60 ±300 ±60 269
ACCURACY: ±0.02% of Full Scale Range over
-40° to +70°C
MINIMUM SCAN TIME PER MODULE:
VoltDiff: 1285 µs (778 samples per second) +
integration time for no input reversal (RevDiff=0);
or 2990 µs (334 samples per second) +
integration time with input reversal (RevDiff=1)
TCDiff (range parameter set to V2C): 2570 µs
(389 samples per second) + integration time for
no input reversal (RevDiff=0); or 4275 µs (233
samples per second) + integration time with input
reversal (RevDiff=1).
MAXIMUM CONTINUOUS VOLTAGE W/O DAMAGE:
Input H or L to ISO Ground to H or L to
Range H to L ISO Ground Systm Ground Systm Ground
(Vdc) (Vdc) (Vdc) (Vdc) (Vdc)
±2 ±208 ±109 ±360 ±469
±20 ±223 ±121 ±360 ±481
±60 ±448 ±233 ±360 ±593
MAXIMUM ESD VOLTAGE ON INPUTS: ±5000V
TYPICAL CURRENT DRAIN: 360 mA
CR9060 EXCITATION MODULE
TYPICAL CURRENT DRAIN:
108 mA quiescent, 125 mA active
Analog Outputs
ANALOG OUTPUTS PER MODULE:
10 switched, 6 continuous
SWITCHED: Provides excitation for resistance
measurements. Only one output can be active at
a time.
CONTINUOUS: All outputs can be active
simultaneously.
RANGE: ±5 V
ACCURACY: ± (0.2% of output ±4 mV)
RESOLUTION: 12-bit A/D (2.4 mV)
OUTPUT CURRENT: ±50 mA
Digital Control Outputs
CONTROL CHANNELS PER MODULE: 8
OUTPUT VOLTAGES (no load):
High: 5.0 V ±0.2 V
Low: < 0.2 V
OUTPUT RESISTANCE: 100 ohms
CR9071E COUNTER & DIGITAL
I/O MODULE
Counter Channels
COUNTER CHANNELS PER MODULE: 12
MAXIMUM COUNTS PER INTERVAL: 2
32
Maximum
counts per interval will never be reached
because with a maximum input frequency of 1
MHz, the 32-bit counter will go 71.58 minutes
before it rolls over. The maximum CR9000X scan
rate is 1 minute.
SWITCH CLOSURE MODE (4 channels)
Minimum switch closed time: 5 ms
Minimum switch open time: 6 ms
Maximum bounce time: 1 ms open without
being counted
HIGH FREQUENCY MODE (all channels)
Minimum pulse width: 500 ns
Maximum input frequency: 1 MHz
Thresholds: Pulse counted on transition from
below 1.5 V to above 3.5 V
Maximum input voltage: ±20 V
LOW LEVEL AC MODE (8 channels)
Input hysteresis: 10 mV
Minimum ac voltage: 25 mV RMS
Maximum input voltage: ±20 V
Frequency range:
(mV RMS) RANGE (Hz)
25 mV 1 to 10,000
≥
50 mV 0.5 to 20,000
TYPICAL CURRENT DRAIN: 35 mA
Digital Inputs/Outputs
I/O CHANNELS PER MODULE: 16
OUTPUT VOLTAGES (no load)
High: 5.0 V ±0.2 V
Low: < 0.2 V
OUTPUT RESISTANCE: 320 ohms
Input State
High: 3.5 to 5 V
Low: -0.5 to 1.2 V
Input Resistance: 100 kOhms
Interval Measurement
I/O CHANNELS:
Resolution is the scan rate
PULSE CHANNELS
Maximum interval: 1 minute
Resolution: ±40 ns
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CR9000X & CR9000XC I/O Module Specifications
Copyright © 2004
Campbell Scientific, Inc.
Printed May 2004
We recommend that you confirm system
configuration and critical specifications with
Campbell Scientific before purchase.