Daytronic 10A65-8 Handleiding

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1GENERALDESCRIPTIONANDSPECIFICATIONS

The Model 10A65-8 is a high-accuracy conditioner allowing input of up to eight low-

level external voltage signals

(allowable input ranges are ±50, ±100, and ±200 milli-

volts

). Mixed as desired, these may originate from DC-to-DC LVDT’s, potentiometer-

type sensors, and other 2-wire analog signal sources that

provide their own power

supply.

Or they may represent the outputs of other instrument systems having vari-

ous voltage levels and grounding configurations.

Inputs can be either floating (differential) or grounded (single-ended). Chopper-stabi-

lized DC amplification with active low-pass filtering yields smooth and stable measure-

ment of the true average value of the input variable, even in the face of substantial

dynamic content.

ADDITIONAL10A65-8 SPECIFICATIONS

Transducer Types

: Low-level 2-wire DC voltage sources, grounded or floating

Input Voltage Ranges: ±50, 100, or 200 mV-DC; automatically selected—on an indi-

vidual channel basis—when the channel is configured; for the System 10 channel

“type” codes assigned to 10A60-4 data channels, see Table 1, below

Amplifier (per channel):

Normal-Mode Range: ±0.2 V operating; ±10 V without instrument damage

Common-Mode Range: ±20 V operating; ±50 V without instrument damage

Common-Mode Rejection Ratio: DC: -97 dB; at 60 Hz, 1 kHz, and 3 kHz: infinite

Input Impedance: Differential: 2 MΩ; Common-Mode: 0.5 MΩ

Offset: Initial: ±0.04% of full scale; vs. Temperature: ±10 ppm/°C; vs. Time: ±20

ppm/month

Gain Accuracy: ±0.02% of full scale typical, following calibration*

Gain Stability: vs. Temperature: ±50 ppm/°C; vs. Time: ±50 ppm/month

Filter (per channel):3-pole modified Butterworth; 3 dB down at 4 Hz; 60 dB down at

100 Hz

Step-Response Settling Time (Full-Scale Output):

To 1% of final value: 190 msec

To 0.1% of final value: 265 msec

To 0.02% of final value: 325 msec

Auxiliary Outputs to Mainframe Wire-Wrap Pins: None

GENERALDESCRIPTIONANDSPECIFICATIONS10A65-8.1

MODEL10A65-8

EIGHT-CHANNELLOW-LEVELVOLTAGE

CONDITIONERCARD

SYSTEM10

ANALOGINPUTCARDS

1.E.2.10A65-8

*Initial (uncalibrated) inaccuracy may be as great as ±0.05% of full scale. Maximum error that

could occur upon replacement of a Model 10A65-8 not followed by calibrationis ±0.1% of full

scale.

Product specificaties